p 34 x Schneider

8/10/2019 p 34 x Schneider

1/936

MiCOM P342, P343,

P344, P345 & P391Generator Protection Relay

P34x/EN M/I76+I86

Contains P34x/EN M/I76-S(Technical Manual)

P34x/EN AD/I86-S(Update Documentation)

Version Software Version 35

Hardware Suffix J (P342/3/4)Hardware Suffix K (P345)

Hardware Suffix A (391)

Update Documentation


2/936

Note: The technical manual for this device gives instructions for its installation, commissioning, and operation.However, the manual cannot cover all conceivable circumstances or include detailed information on all topics.In the event of questions or specific problems, do not take any action without proper authorization. Contactthe appropriate Schneider Electric technical sales office and request the necessary information.

Any agreements, commitments, and legal relationships and any obligations on the part of Schneider Electricincluding settlements of warranties, result solely from the applicable purchase contract, which is not affectedby the contents of the technical manual.

This device MUST NOT be modified. If any modification is made without the express permission ofSchneider Electric, it will invalidate the warranty, and may render the product unsafe.

The Schneider Electric logo and any alternative version thereof are trademarks and service marks of Schneider Electric.

All trade names or trademarks mentioned herein whether registered or not, are the property of their owners.

This manual is provided for informational use only and is subject to change without notice.

2010, Schneider Electric. All rights reserved.


3/936

MiCOM P342, P343,

P344, P345 & P391Generator Protection Relay

P34x/EN M/I76-S

Version Software Version 35Hardware Suffix J (P342/3/4)Hardware Suffix K (P345)

Hardware Suffix A (391)

Technical Manual


4/936

Note: The technical manual for this device gives instructions for its installation, commissioning, and operation.However, the manual cannot cover all conceivable circumstances or include detailed information on all topics.In the event of questions or specific problems, do not take any action without proper authorization. Contactthe appropriate Schneider Electric technical sales office and request the necessary information.

Any agreements, commitments, and legal relationships and any obligations on the part of Schneider Electricincluding settlements of warranties, result solely from the applicable purchase contract, which is not affectedby the contents of the technical manual.

This device MUST NOT be modified. If any modification is made without the express permission ofSchneider Electric, it will invalidate the warranty, and may render the product unsafe.

The Schneider Electric logo and any alternative version thereof are trademarks and service marks of Schneider Electric.

All trade names or trademarks mentioned herein whether registered or not, are the property of their owners.

This manual is provided for informational use only and is subject to change without notice.

2010, Schneider Electric. All rights reserved.


5/936

CONTENTS

Safety Section P34x/EN SS/G11

Update Documentation P34x/EN AD/xxx

Section 1 Introduct ion P34x/EN IT/I76

Section 2 Technical Data P34x/EN TD/I76

Section 3 Getting Started P34x/EN GS/B76

Section 4 Settings P34x/EN ST/B76

Section 5 Operation P34x/EN OP/B76

Section 6 Appl ication Notes P34x/EN AP/I76

Section 7 Programmable Logic P34x/EN PL/C76

Section 8 Measurements and Recording P34x/EN MR/B76

Section 9 Firmware Design P34x/EN FD/I76

Section 10 Commissioning P34x/EN CM/I76

Section 11 Maintenance P34x/EN MT/I76

Section 12 Troubleshooting P34x/EN TS/ I76

Section 13 SCADA Communications P34x/EN SC/I76

Section 14 Symbols and Glossary P34x/EN SG/B76

Section 15 Installation P34x/EN IN/I76

Section 16 Firmware and Service Manual Version History P34x/EN VH/H76

Index

SS

N/A

IT

TD

GS

ST

OP

AP

PL

MR

FD

CM

MT

TS

SC

SG

IN

VH

Index


6/936


7/936

Documentation Update P34x/EN M/I76

MiCOM P342, P343, P344, P345 & P391 Page 1 of 8

DOCUMENTATION UPDATE FROM VERSIONS 0320J & 0320K TO 0330J/K/A

Since version 0320J & 0320K (P34x/EN M/H65), several changes on existing features have beenamended to include all models and new features. These are described below:

Document Ref. Section Page No. Descript ion

- - -

EC declaration of conformi ty

Latest version to reflect relay software

P34x/EN SS/G11

- -

Safety section

Latest version

P34x/EN IT/H65

3 1-6

Product scope

Rotor earth fault: data added in paragraph 1

3.1 1-7

Functional overview

64R: data in table added

3.2 1-11 - 15

Ordering options

Ordering options updated and P391 optionadded

P34x/EN TD/H65

- 2-1

Enclosure Protection

Date amended to: 1992

- 2-2

AC Current

Nominal burden updated

- 2-2 - 3

Standard Contacts

Section re-written

- 2-4

Electromagnetic Compatibility (EMC)

Damped Oscillatory claims: added

- 2-4

Surge Withstand Capability

Section extended

- 2-5

Product Safety

Standards updated to latest

- 2-5

R&TTE Compl iance

Section amended

- 2-5

P34x Third Party Compliances

(UL/CUL, ENA : deleted

Underwriters Laboratory (UL) : added afterheading

Energy Networks Association (ENA) : addedbefore symbol


8/936

P34x/EN M/I76 Documentation Update

Page 2 of 8 MiCOM P342, P343, P344, P345 & P391


P34x/EN TD/H65continued

- 2-6

Mechanical Specifications

New section added for P391

- 2-7

Rotor Earth Fault

New section added

- 2-12

Configuration

Rotor EF : added

- 2-13

Oscillography (Disturbance Recorder)

Disturbance channels : data added

- 2-19

Rotor Earth Fault

New section added

- 2-24

Measurement 3

64R CL Input : added

64R R Fault : added

P34x/EN GS/A65

1.1 3-3

User interfaces and menu structure

Section re-written

1.2.1 3-3 - 4

Front panel

Section re-written

1.2.11 3-5 - 6

LED indications

Section re-written

1.3 3-6 - 7

Relay connection and power-up

Section re-written

1.5 3-8

Menu s tructure

Section re-written

1.6 3-9 - 10

Password protection

Section re-written after table 2

1.8.1 3-11 - 12

Default display and menu time-out

Section re-written

1.8.2 3-12

Navigating menus and browsing thesettings

Heading title: amended

Section re-written


9/936




P34x/EN GS/A65continued

1.8.3 3-12

Navigating the hotkey menu


Section re-written

1.8.3.1 3-12

Setting group selection

Section re-written

1.8.3.2 3-12

Control inputs user assignablefunctions

Section re-written

1.8.4 3-13

Password entry

Section re-written

1.8.5 3-14

Reading and clearing of alarm messagesand fault records

Section re-written

1.8.6 3-14

Setting changes

Section re-written

1.9 3-14 - 16

Front communication port user interface

Section re-written

1.10 3-17

MiCOM S1 Studio relay communicationsbasics

Section re-written

1.10.1 3-17

PC requirements

Section re-written

1.10.2 3-17

Off-line use of MiCOM S1 Studio


Section re-written

1.10.3 3-19

Open communication link with relay

Section deleted

P34x/EN ST/A65

1.1 4-3 - 6

Relay settings conf iguration

Rotor EF : added after earth fault

1.2.10 4-18

Rotor earth fault

New section

1.3.2 4-48

View records


64R R Fault : added

1.3.5 4-53

Measurement 3


64R R Fault : added


10/936




P34x/EN ST/A65continued

1.3.11 4-58

Disturbance recorder settings

Analog. Channel 1 : data added

1.3.13.4 4-62

Communication settings for DNP3.0protocol

DNP settings added

1.3.13.5 4-63

Communication settings for Ethernet port

NIC Link Timeout : data amended

P34x/EN OP/A65

1.15 5-35

Reverse power/over power/low forwardpower

Figure 29 : updated

1.21.1 5-50 -51

Measurements

New table and note added afterMeasurements 3 table

1.29 5-73

Rotor earth fault protection

New section

1.29.1.1 5-73

Low frequency injection technique

New section

1.29.2 5-73

Noise filtering

New section

1.29.3 5-73

Description

New section

1.29.4 5-73

Measurements

New section

P34x/EN AP/H65

1.1 6-7

Protection of generators

Second and fourth paragraphs : amended

2.32 6-90

Rotor earth fault protection

New section

2.32.1 6-90

Setting guidelines for rotor earth faultprotection

New section


11/936




P34x/EN PL/B65

1.2 7-5

MiCOM S1 studio Px40 PSL editor


1.7 7-17 - 25

Descript ion of logic nodes

DDB Nos 394 - 395 added



DDB No 758 added

DDB No 950 amended


- 7-32 - 38

MiCOM P342 programmable scheme logic

Diagrams added

- 7-39 - 46


Diagrams added

- 7-47 - 54


Diagrams added

- 7-55 - 64


Diagrams added

P34x/EN MR/A65

1.3 8-11

Disturbance recorder

Analog. Channel 1 : data added

1.4.8.3 8-20

Measurements 3


64R R Fault : added

P34x/EN FD/H65

1.1.8 9-4

P391 rotor earth fault injection, couplingand measurement unit

New section

2.11 9-15

P391 rotor earth fault injection measuring/coupling and unit

New section

2.11.1 9-15

Injection resistor boards

New section

2.11.2 9-15

Power supply, control & measurementboard

New section

2.11.3 9-15

Mechanical layou t P391

New section


12/936




P34x/EN CM/H65

1 10-4

Introduction

First paragraph : added

3.5 10-7

Monitor bits

Isolated changed to Isolation

4.2 10-9

Optional equipment

First paragraph : amended

6.3.5 10-37

MiCOM P391 generator rotor earth faultprotection

New section

6.3.5.1 10-37

Injection frequency selection

New section

6.3.5.2 10-37

Calibration

New section

6.3.5.3 10-37

Connect the test circuit

New section

6.3.5.4 10-37

Check the pick-up settings

New section

6.3.5.5 10-37

Checking w ith other resistance values

New section

6.3.5.6 10-37

Perform the timing tests

New section

6.3.5.7 10-37

Testing the rotor earth fault protection onthe generator at standstill

New section

6.3.5.8 10-37

Testing the rotor earth fault protection onthe generator w hen running

New section

8 10-40

Final checks

Fifth paragraph amended

9 10-53

Commissioning test record

Amended to reflect latest software

10 10-57

Setting record



13/936




P34x/EN MT/H65

1.3.2 11-8

Replacing a PCB

P391 data : added

1.7 11-18

MiCOM P391 method of repair

New section

1.7.1 11-18

Replacing a complete P391 REFU

New section

1.7.2 11-18

Replacing MiCOM P391 internal PCBs

New section

1.7.3 11-18

Cleaning

New section

P34x/EN SC/H65

4.7 13-35

Measurements


64R R Fault : added

4.11.1 13-43

Manual extraction procedure

Sentence before event records : added

4.11.3 13-45

Record data

Event origin : amended

6.2 13-64

DNP3.0 menu sett ing

DNP data : added

6.4 13-65

Object 10 binary outputs

Section extended : after second paragraph

6.5 13-65

Object 20 binary counters

First paragraph : extended

6.6 13-65

Object 30 analog input

First paragraph : amended

6.7 13-65

Object 40 analog output

New section

6.71 13-65

Object 1

Section deleted

6.7.2 13-66

Object 20

Section deleted

6.7.3 13-66

Object 30

Section deleted


14/936




P34x/EN SC/H65

continued

6.8 13-65

DNP3.0 conf iguration using MiCOM S1studio

Updated to 6.8Heading title: amended

First paragraph : amended and separatedinto two paragraphs

P34x/EN SG/A65

- 14-1 - 2

Logic symbols


P34x/EN IN/H65

8 15-21

P391 rotor earth fault unit (REFU)mounting

New section

8.1 15-21

Rack mounting

New section

8.2 15-21

Panel mounting

New section

8.3 15-21

Wall mount ing

New section

9 15-21

P391 rotor earth fault unit (REFU)mounting

New section

10 15-21

P391 case dimensions

New section

11 15-21

P34x external connection diagrams

Extended to include P391 option

P34x/EN VH/G65

- -

Firmware and service manual version

history

Amended to reflect the latest software


15/936

Safety Section Pxxx/EN SS/G11-S

SS

SAFETY SECTION


16/936

Pxxx/EN SS/G11-S Safety Section

SS


17/936


(SS) - 1

SS

CONTENTS

1. INTRODUCTION 3

2. HEALTH AND SAFETY 3

3.

SYMBOLS AND LABELS ON THE EQUIPMENT 4

3.1 Symbols 4

3.2 Labels 4

4. INSTALLING, COMMISSIONING AND SERVICING 4

5. DE-COMMISSIONING AND DISPOSAL 7

6. TECHNICAL SPECIFICATIONS FOR SAFETY 8

6.1

Protective fuse rating 8

6.2 Protective class 8

6.3 Installation category 8

6.4 Environment 8


18/936


(SS) - 2

SS


19/936


(SS) - 3

SS

STANDARD SAFETY STATEMENTS AND EXTERNAL LABEL INFORMATIONFOR SCHNEIDER ELECTRIC EQUIPMENT

1. INTRODUCTION

This Safety Section and the relevant equipment documentation provide full information onsafe handling, commissioning and testing of this equipment. This Safety Section alsoincludes reference to typical equipment label markings.

The technical data in this Safety Section is typical only, see the technical data section of therelevant equipment documentation for data specific to a particular equipment.

Before carrying out any work on the equipment the user should be familiar withthe contents of this Safety Section and the ratings on the equipments ratinglabel.

Reference should be made to the external connection diagram before the equipment isinstalled, commissioned or serviced.

Language specific, self-adhesive User Interface labels are provided in a bag for someequipment.

2. HEALTH AND SAFETY

The information in the Safety Section of the equipment documentation is intended to ensurethat equipment is properly installed and handled in order to maintain it in a safe condition.

It is assumed that everyone who will be associated with the equipment will be familiar withthe contents of this Safety Section, or the Safety Guide (SFTY/4L M).

When electrical equipment is in operation, dangerous voltages will be present in certain partsof the equipment. Failure to observe warning notices, incorrect use, or improper use may

endanger personnel and equipment and also cause personal injury or physical damage.

Before working in the terminal strip area, the equipment must be isolated.

Proper and safe operation of the equipment depends on appropriate shipping and handling,proper storage, installation and commissioning, and on careful operation, maintenance andservicing. For this reason only qualified personnel may work on or operate the equipment.

Qualified personnel are individuals who:

Are familiar with the installation, commissioning, and operation of the equipment and ofthe system to which it is being connected;

Are able to safely perform switching operations in accordance with accepted safety

engineering practices and are authorized to energize and de-energize equipment and toisolate, ground, and label it;

Are trained in the care and use of safety apparatus in accordance with safetyengineering practices;

Are trained in emergency procedures (first aid).

The equipment documentation gives instructions for its installation, commissioning, andoperation. However, the manuals cannot cover all conceivable circumstances or includedetailed information on all topics. In the event of questions or specific problems, do not takeany action without proper authorization. Contact the appropriate Schneider Electric technicalsales office and request the necessary information.


20/936


(SS) - 4

SS

3. SYMBOLS AND LABELS ON THE EQUIPMENT

For safety reasons the following symbols which may be used on the equipment or referred toin the equipment documentation, should be understood before it is installed orcommissioned.

3.1 Symbols

Caution: refer to equipment documentation Caution: risk of electric shock

Protective Conductor (*Earth) terminal Functional/Protective Conductor (*Earth)terminal

Note: This symbol may also be usedfor a Protective Conductor (Earth)Terminal if that terminal is part of aterminal block or sub-assembly e.g.power supply.

*NOTE: THE TERM EARTH USED THROUGHOUT THIS TECHNICALMANUAL IS THE DIRECT EQUIVALENT OF THE NORTHAMERICAN TERM GROUND.

3.2 Labels

See Safety Guide (SFTY/4L M) for typical equipment labeling information.

4. INSTALLING, COMMISSIONING AND SERVICING

Equipment connections

Personnel undertaking installation, commissioning or servicing work for thisequipment should be aware of the correct working procedures to ensure safety.

The equipment documentation should be consulted before installing,

commissioning, or servicing the equipment.

Terminals exposed during installation, commissioning and maintenance maypresent a hazardous voltage unless the equipment is electrically isolated.

The clamping screws of all terminal block connectors, for field wiring, using M4screws shall be tightened to a nominal torque of 1.3 Nm.

Equipment intended for rack or panel mounting is for use on a flat surface of aType 1 enclosure, as defined by Underwriters Laboratories (UL).

Any disassembly of the equipment may expose parts at hazardous voltage, alsoelectronic parts may be damaged if suitable electrostatic voltage discharge (ESD)precautions are not taken.

If there is unlocked access to the rear of the equipment, care should be taken byall personnel to avoid electric shock or energy hazards.

Voltage and current connections shall be made using insulated crimp terminationsto ensure that terminal block insulation requirements are maintained for safety.


21/936


(SS) - 5

SS

Watchdog (self-monitoring) contacts are provided in numerical relays to indicatethe health of the device. Schneider Electric strongly recommends that thesecontacts are hardwired into the substation's automation system, for alarmpurposes.

To ensure that wires are correctly terminated the correct crimp terminal and tool

for the wire size should be used.The equipment must be connected in accordance with the appropriate connectiondiagram.

Protection Class I Equipment

- Before energizing the equipment it must be earthed using the protectiveconductor terminal, if provided, or the appropriate termination of thesupply plug in the case of plug connected equipment.

- The protective conductor (earth) connection must not be removed sincethe protection against electric shock provided by the equipment would belost.

- When the protective (earth) conductor terminal (PCT) is also used toterminate cable screens, etc., it is essential that the integrity of theprotective (earth) conductor is checked after the addition or removal ofsuch functional earth connections. For M4 stud PCTs the integrity of theprotective (earth) connections should be ensured by use of a locknut orsimilar.

The recommended minimum protective conductor (earth) wire size is 2.5 mm(3.3 mm for North America) unless otherwise stated in the technical data sectionof the equipment documentation, or otherwise required by local or country wiringregulations.

The protective conductor (earth) connection must be low-inductance and as shortas possible.

All connections to the equipment must have a defined potential. Connections thatare pre-wired, but not used, should preferably be grounded when binary inputsand output relays are isolated. When binary inputs and output relays areconnected to common potential, the pre-wired but unused connections should beconnected to the common potential of the grouped connections.

Before energizing the equipment, the following should be checked:

- Voltage rating/polarity (rating label/equipment documentation);

- CT circuit rating (rating label) and integrity of connections;

- Protective fuse rating;

- Integrity of the protective conductor (earth) connection (where

applicable);- Voltage and current rating of external wiring, applicable to the application.

Accidental touching of exposed terminals

If working in an area of restricted space, such as a cubicle, where there is a risk ofelectric shock due to accidental touching of terminals which do not comply withIP20 rating, then a suitable protective barrier should be provided.

Equipment use

If the equipment is used in a manner not specified by the manufacturer, theprotection provided by the equipment may be impaired.

Removal of the equipment front panel/cover

Removal of the equipment front panel/cover may expose hazardous live parts,which must not be touched until the electrical power is removed.


22/936


(SS) - 6

SS

UL and CSA/CUL listed or recognized equipment

To maintain UL and CSA/CUL Listing/Recognized status for North America theequipment should be installed using UL or CSA Listed or Recognized parts for thefollowing items: connection cables, protective fuses/fuseholders or circuitbreakers, insulation crimp terminals and replacement internal battery, as specified

in the equipment documentation.For external protective fuses a UL or CSA Listed fuse shall be used. The Listedtype shall be a Class J time delay fuse, with a maximum current rating of 15 A anda minimum d.c. rating of 250 Vd.c., for example type AJT15.

Where UL or CSA Listing of the equipment is not required, a high rupture capacity(HRC) fuse type with a maximum current rating of 16 Amps and a minimum d.c.rating of 250 Vd.c. may be used, for example Red Spot type NIT or TIA.

Equipment operating conditions

The equipment should be operated within the specified electrical andenvironmental limits.

Current transformer circuits

Do not open the secondary circuit of a live CT since the high voltage producedmay be lethal to personnel and could damage insulation. Generally, for safety,the secondary of the line CT must be shorted before opening any connections toit.

For most equipment with ring-terminal connections, the threaded terminal blockfor current transformer termination has automatic CT shorting on removal of themodule. Therefore external shorting of the CTs may not be required, theequipment documentation should be checked to see if this applies.

For equipment with pin-terminal connections, the threaded terminal block forcurrent transformer termination does NOT have automatic CT shorting on removalof the module.

External resistors, including voltage dependent resistors (VDRs)

Where external resistors, including voltage dependent resistors (VDRs), are fittedto the equipment, these may present a risk of electric shock or burns, if touched.

Battery replacement

Where internal batteries are fitted they should be replaced with the recommendedtype and be installed with the correct polarity to avoid possible damage to theequipment, buildings and persons.

Insulation and dielectric strength testing

Insulation testing may leave capacitors charged up to a hazardous voltage. At theend of each part of the test, the voltage should be gradually reduced to zero, to

discharge capacitors, before the test leads are disconnected.

Insertion of modules and pcb cards

Modules and PCB cards must not be inserted into or withdrawn from theequipment whilst it is energized, since this may result in damage.

Insertion and withdrawal of extender cards

Extender cards are available for some equipment. If an extender card is used,this should not be inserted or withdrawn from the equipment whilst it is energized.This is to avoid possible shock or damage hazards. Hazardous live voltages maybe accessible on the extender card.


23/936


(SS) - 7

SS

External test blocks and test plugs

Great care should be taken when using external test blocks and test plugs suchas the MMLG, MMLB and MiCOM P990 types, hazardous voltages may beaccessible when using these. *CT shorting links must be in place before theinsertion or removal of MMLB test plugs, to avoid potentially lethal voltages.

*Note: When a MiCOM P992 Test Plug is inserted into the MiCOM P991 TestBlock, the secondaries of the line CTs are automatically shorted, makingthem safe.

Fiber optic communication

Where fiber optic communication devices are fitted, these should not be vieweddirectly. Optical power meters should be used to determine the operation orsignal level of the device.

Cleaning

The equipment may be cleaned using a lint free cloth dampened with clean water,when no connections are energized. Contact fingers of test plugs are normally

protected by petroleum jelly, which should not be removed.

5. DE-COMMISSIONING AND DISPOSAL

De-commissioning

The supply input (auxiliary) for the equipment may include capacitors across thesupply or to earth. To avoid electric shock or energy hazards, after completelyisolating the supplies to the equipment (both poles of any dc supply), thecapacitors should be safely discharged via the external terminals prior tode-commissioning.

Disposal

It is recommended that incineration and disposal to water courses is avoided.The equipment should be disposed of in a safe manner. Any equipmentcontaining batteries should have them removed before disposal, takingprecautions to avoid short circuits. Particular regulations within the country ofoperation, may apply to the disposal of the equipment.


24/936


(SS) - 8

SS

6. TECHNICAL SPECIFICATIONS FOR SAFETY

Unless otherwise stated in the equipment technical manual, the following data is applicable.

6.1 Protective fuse rating

The recommended maximum rating of the external protective fuse for equipments is 16A,high rupture capacity (HRC) Red Spot type NIT, or TIA, or equivalent. The protective fuseshould be located as close to the unit as possible.

DANGER - CTs must NOT be fused since open circuiting them mayproduce lethal hazardous voltages.

6.2 Protective class

IEC 60255-27: 2005 Class I (unless otherwise specified in theequipment documentation).

EN 60255-27: 2005 This equipment requires a protective conductor

(earth) connection to ensure user safety.

6.3 Installation category

IEC 60255-27: 2005 Installation category III (Overvoltage Category III):

EN 60255-27: 2005 Distribution level, fixed installation.

Equipment in this category is qualification tested at

5 kV peak, 1.2/50 s, 500 , 0.5 J, between allsupply circuits and earth and also betweenindependent circuits.

6.4 Environment

The equipment is intended for indoor installation and use only. If it is required for use in anoutdoor environment then it must be mounted in a specific cabinet of housing which willenable it to meet the requirements of IEC 60529 with the classification of degree ofprotection IP54 (dust and splashing water protected).

Pollution Degree - Pollution Degree 2 Compliance is demonstrated by reference to safetyAltitude - Operation up to 2000m standards.

IEC 60255-27:2005

EN 60255-27: 2005


25/936

Introduction P34x/EN IT/I76

MiCOM P342, P343, P344, P345 & P391

IT

INTRODUCTION

Date: 7thJuly 2008

Hardware Suffix :J (P342/3/4) K (P345)A (P391)

Software Version: 33

Connection Diagrams: 10P342xx (xx = 01 to 17)

10P343xx (xx = 01 to 19)10P344xx (xx = 01 to 12)

10P345xx (xx = 01 to 07)

10P391xx (xx =01 to 02)


26/936

P34x/EN IT/I76 Introduction

MiCOM P342, P343, P344, P345 & P391

IT


27/936


MiCOM P342, P343, P344, P345 & P391 (IT) 1-1

IT

CONTENTS

(IT) 1-

1. MICOM DOCUMENTATION STRUCTURE 3

2. INTRODUCTION TO MICOM 5

3. PRODUCT SCOPE 6

3.1 Functional overview 6

3.2 Ordering options 11

FIGURES

Figure 1: Functional diagram 10


28/936


(IT) 1-2 MiCOM P342, P343, P344, P345 & P391

IT


29/936

Introduction P34x/EN IT/I76-S

MiCOM P342, P343, P344, P345 & P391 (IT) 1-3

IT

1. MiCOM DOCUMENTATION STRUCTURE

The manual provides a functional and technical description of the MiCOM protection relayand a comprehensive set of instructions for the relays use and application.

The chapter contents are summarized below:

P34x/EN IT Introduction

A guide to the MiCOM range of relays and the documentation structure. General safetyaspects of handling Electronic Equipment is discussed with particular reference to relaysafety symbols. Also a general functional overview of the relay and brief applicationsummary is given.

P34x/EN TD Technical Data

Technical data including setting ranges, accuracy limits, recommended operating conditions,ratings and performance data. Compliance with norms and international standards is quotedwhere appropriate.

P34x/EN GS Getting StartedA guide to the different user interfaces of the protection relay describing how to start using it.This chapter provides detailed information regarding the communication interfaces of therelay, including a detailed description of how to access the settings database stored withinthe relay.

P34x/EN ST Settings

List of all relay settings, including ranges, step sizes and defaults, together with a briefexplanation of each setting.

P34x/EN OP Operation

A comprehensive and detailed functional description of all protection and non-protection

functions.

P34x/EN AP Application Notes

This chapter includes a description of common power system applications of the relay,calculation of suitable settings, some typical worked examples, and how to apply the settingsto the relay.

P34x/EN PL Programmable Logic

Overview of the programmable scheme logic and a description of each logical node. Thischapter includes the factory default (PSL) and an explanation of typical applications.

P34x/EN MR Measurements and Recording

Detailed description of the relays recording and measurements functions including theconfiguration of the event and disturbance recorder and measurement functions.

P34x/EN FD Firmware Design

Overview of the operation of the relays hardware and software. This chapter includesinformation on the self-checking features and diagnostics of the relay.

P34x/EN CM Commissioning

Instructions on how to commission the relay, comprising checks on the calibration andfunctionality of the relay.

P34x/EN MT Maintenance

A general maintenance policy for the relay is outlined.

P34x/EN TS Troubleshooting

Advice on how to recognize failure modes and the recommended course of action. Includesguidance on whom within Schneider Electric to contact for advice.


30/936


(IT) 1-4 MiCOM P342, P343, P344, P345 & P391

IT

P34x/EN SC SCADA Communications

This chapter provides an overview regarding the SCADA communication interfaces of therelay. Detailed protocol mappings, semantics, profiles and interoperability tables are notprovided within this manual. Separate documents are available per protocol, available fordownload from our website.

P34x/EN SG Symbols and Glossary

List of common technical abbreviations found within the product documentation.

P34x/EN IN Installation

Recommendations on unpacking, handling, inspection and storage of the relay. A guide tothe mechanical and electrical installation of the relay is provided, incorporating earthingrecommendations. All external wiring connections to the relay are indicated.

P34x/EN VH Firmware and Service Manual Version History

History of all hardware and software releases for the product.


31/936

Introduction P34x/EN IT/I76-S

MiCOM P342, P343, P344, P345 & P391 (IT) 1-5

IT

2. INTRODUCTION TO MiCOM

MiCOM is a comprehensive solution capable of meeting all electricity supply requirements.It comprises a range of components, systems and services from Schneider Electric.

Central to the MiCOM concept is flexibility.

MiCOM provides the ability to define an application solution and, through extensivecommunication capabilities, integrate it with your power supply control system.

The components within MiCOM are:

P range protection relays;

C range control products;

M range measurement products for accurate metering and monitoring;

S range versatile PC support and substation control packages.

MiCOM products include extensive facilities for recording information on the state and

behavior of the power system using disturbance and fault records. They can also providemeasurements of the system at regular intervals to a control center enabling remotemonitoring and control to take place.

For up-to-date information on any MiCOM product, visit our website:

http://www.schneider-electric.com


32/936


(IT) 1-6 MiCOM P342, P343, P344, P345 & P391

IT

3. PRODUCT SCOPE

The MiCOM P342/3/4/5 generator protection relays have been designed for the protection ofa wide range of generators. The MiCOM P342 is suitable for protection of small to mediumsize generators (1-10MVA) or can be used as back-up protection for larger generators. TheMiCOM P343 is suitable for protection of medium to large size generators (>10MVA) or moreimportant generators, providing generator differential, 100% stator earth fault via a 3rdharmonic measuring technique, pole slipping and unintentional energization at standstillprotection in addition to the features of the P342. The P344 is similar to the P343 butincludes a second neutral voltage input for earth fault/interturn protection. The MiCOM P345is suitable for protection of large generators (>50MVA) providing 100% stator earth faultprotection via a low frequency injection technique in addition to the features of the P344.The P345 also includes 10 function keys for integral scheme or operator control functionalityand tri-color (red/yellow/green) LEDs. Rotor earth fault protection is provided by the P391low frequency square wave injection, coupling and measurement unit connected to the rotorcircuit. The measurement of the rotor resistance is passed to the P342/3/4/5 via a currentloop output (0-20mA) on the P391 connected to one of the 4 current loop inputs on theP342/3/4/5. The rotor ground fault protection is only available if the relay includes the CLIOhardware option.

3.1 Functional overview

The P342/3/4/5 generator protection relays contain a wide variety of protection functions.The protection features are summarized below:

PROTECTION FUNCTIONS OVERVIEW P34x

87

Phase segregated generator differential protection is providedfor high speed discriminative protection for all fault types. Thedifferential protection can be selected as biased or highimpedance or interturn.

3/4/5

64Restricted earth fault is configurable as a high impedance or abiased low impedance element. This can be used to providehigh speed earth fault protection and is mainly applicable tosmall machines where differential protection is not possible.

2/3/4/5

32R, 32L,32O

Two definite time stages of power protection are provided andeach stage can be independently configured to operate asreverse power (RP), over power (OP) or low forward power(LFP) protection. The direction of the power measured by theprotection can be reversed by selecting the operating mode,generating/motoring. The power protection can be used toprovide simple back-up overload protection (OP), protectionagainst motoring (RP, generating mode), CB interlocking toprevent overspeeding during machine shutdown (LFP,

generating mode) and loss of load protection (LFP, motoringmode). The relays provide a standard 3 phase powerprotection element and also a single phase power protectionelement which can be used with a dedicated metering classCT using the sensitive current input.

2/3/4/5

40

A two stage offset mho definite time impedance element isprovided to detect failure of the machine excitation. A powerfactor alarm element is also available to offer more sensitiveprotection.

2/3/4/5

46T

Negative phase sequence thermal overload protection isprovided to protect against unbalanced loading which cancause overheating in the rotor. Both alarm and trip stages areprovided.

2/3/4/5


33/936


MiCOM P342, P343, P344, P345 & P391 (IT) 1-7

IT


51V, 21

A voltage dependent overcurrent (controlled or restrained) orunderimpedance protection is provided for back-up protectionof phase faults. The voltage dependent overcurrent protectionmay be set as controlled or restrained with an Inverse Definite

Minimum Time (IDMT) or Definite Time (DT). There are 2stages of underimpedance protection which may be set asdefinite time only.

2/3/4/5

50/51/67

Four overcurrent protection stages are provided which can beselected to be either non-directional, directional forward ordirectional reverse. Stages 1 and 2 may be set InverseDefinite Minimum Time (IDMT) or Definite Time (DT); stages 3and 4 may be set DT only.

2/3/4/5

46OC

Four definite time stages of negative phase sequenceovercurrent protection are provided for remote back-upprotection for both phase to earth and phase to phase faults.Each stage can be selected to be either non-directional,

directional forward or directional reverse.

2/3/4/5

49

Thermal overload protection based on I1 and I2 is provided toprotect the stator/rotor against overloading due to balancedand unbalanced currents. Both alarm and trip stages areprovided.

2/3/4/5

50N/51N

Two stages of non-directional earth fault protection areprovided for stator earth fault protection. Stage 1 may be setInverse Definite Minimum Time (IDMT) or Definite Time (DT);stage 2 may be set DT only.

2/3/4/5

64R

Rotor earth fault protection can be provided by a low frequencyinjection method. There are 2 stages of definite time under

resistance protection. An external injection, coupling andmeasurement unit (P391) is required with this function. Themeasurement of the rotor resistance is passed to the P34x viaa current loop output (0-20mA) on the P391 connected to oneof the 4 current loop inputs on the P34x. The rotor ground faultprotection is only available if the relay includes the CLIOhardware option. The injection frequency is selectable0.25/0.5/1Hz via a jumper link in the P391

2/3/4/5

67N/67W

One sensitive earth fault element is provided for discriminativeearth fault protection of parallel generators. The protectioncan be selected to be either non-directional, directional forwardor directional reverse. Either Zero sequence or negative

sequence polarizing is available.The Sensitive Earth Fault element can be configured as an

cos, Isin or Vcos (Wattmetric) element for application toisolated and compensated networks.

2/3/4/5

59N

Residual overvoltage protection is available for stator earthfault protection where there is an isolated or high impedanceearth. The residual voltage can be measured from a brokendelta VT, from the secondary winding of a distributiontransformer earth at the generator neutral, or can be calculatedfrom the three phase to neutral voltage measurements. Twoindependent stages of protection are provided for eachmeasured neutral voltage input and also for the calculated

value, each stage can be selected as either IDMT or DT. TheP342/3/4/5 have 2 measured and 2 calculated stages ofresidual overvoltage protection. The P344/5 has an additionalneutral voltage input and so has an additional 2 stages ofmeasured residual overvoltage protection.

2/3/4/5


34/936


(IT) 1-8 MiCOM P342, P343, P344, P345 & P391

IT


27TN/59TN

A 3rd

harmonic voltage element is provided to detect earth faultclose to the generator star point. This element combined withthe standard stator earth fault protection (59N/50N/51N)provides 100% stator earth fault protection.

A definite time 3rdharmonic undervoltage element is providedif neutral voltage measurement is available at the neutral of themachine. This element is supervised by a 3 phaseundervoltage element and optionally by 3 phase W/VA/VArelements. A 3

rd harmonic overvoltage element is provided if

neutral voltage measurement is available from the terminals ofthe machine.

3/4/5

64S

100% stator earth fault protection can also be provided by alow frequency injection method. There are 2 stages of definitetime under resistance protection and 1 stage of definite timeovercurrent protection. An external 20Hz generator andbandpass filter is required with this function.

5

24

A five stage overfluxing (V/Hz) element is provided to protectthe generator, or connected transformer, againstoverexcitation. The first stage is a definite time alarm, thesecond stage can be used to provide an inverse or definitetime trip characteristic and stages 3/4/5 are definite time.

2/3/4/5

50/27

A voltage supervised overcurrent scheme is provided for deadmachine/generator unintentional energization at standstill(GUESS) protection to detect if the machine circuit breaker isclosed accidentally, when the machine is not running.

3/4/5

27

A 2 stage undervoltage protection element, configurable aseither phase to phase or phase to neutral measuring is

provided to back up the automatic voltage regulator. Stage 1may be selected as either IDMT or DT and stage 2 is DT only.

2/3/4/5

59

A 2 stage overvoltage protection element, configurable aseither phase to phase or phase to neutral measuring isprovided to back up the automatic voltage regulator. Stage 1may be selected as either IDMT or DT and stage 2 is DT only.

2/3/4/5

47

A definite time negative phase sequence overvoltageprotection element is provided for either a tripping orinterlocking function upon detection of unbalanced supplyvoltages.

2/3/4/5

81U/O

A 4 stage definite time underfrequency and 2 stage definite

time overfrequency protection is provided for load sheddingand back-up protection of the speed control governor. 2/3/4/5

81AB

Turbine abnormal frequency protection is provided to protectthe turbine blade from potential damage due to prolongedunder/over frequency operation of the generator. Up to sixfrequency bands can be programmed, each having anintegrating timer to record the time spent within the band.

2/3/4/5

RTD10 RTDs (PT100) are provided to monitor the temperatureaccurately in the windings and bearings of the machine. EachRTD has an instantaneous alarm and definite time trip stage.

Option2/3/4/5

50BFA 2 stage circuit breaker failure function is provided with a 3pole initiation input from external protection.

2/3/4/5

37P/37NPhase, neutral and sensitive earth fault undercurrent elementsare available for use with for example the circuit breaker failfunction.

2/3/4/5


35/936


MiCOM P342, P343, P344, P345 & P391 (IT) 1-9

IT


78

A lens shaped impedance characteristic is used to detect lossof synchronization (pole slipping) between the generation andthe power system. Two zones are created by a reactance linewhich is used to distinguish whether the impedance centre of

the pole slip is located in the power system or in the generator.Separate counters are used to count pole slips in the 2 zones.A setting is also provided to determine whether the protectionoperates in a generating mode, motoring mode or both.

3/4/5

BOL

Blocked overcurrent logic is available on each stage of theovercurrent, earth fault and sensitive earth fault protection.This consists of start outputs and block inputs that can be usedto implement busbar blocking schemes for example.

2/3/4/5

VTSVoltage transformer supervision is provided (1, 2 & 3 phasefuse failure detection) to prevent mal-operation of voltagedependent protection elements upon loss of a VT input signal.

2/3/4/5

CTS Current transformer supervision is provided to preventmal-operation of current dependent protection elements uponloss of a CT input signal.

2/3/4/5

CLIO

4 analog (or current loop) inputs are provided for transducers(vibration, tachometers etc.). Each input has a definite timetrip and alarm stage and each input can be set to operate forOver or Under operation. Each input can be independentlyselected as 0-1/0-10/0-20/4-20mA.

4 analogue (or current loop) outputs are provided for theanalogue measurements in the relay. Each output can beindependently selected as 0-1/0-10/0-20/4-20mA.

Option2/3/4/5

Phase rotation - the rotation of the phases ABC or ACB for all3 phase current and voltage channels can be selected. Also,for pumped storage applications where 2 phases are swappedthe swapping of 2 phases can be emulated independently forthe 3 phase voltage and 3 phase current channels.

2/3/4/5

Programmable function keys10

(P345)

Programmable LEDs (tri-color P345, red P342/3/4)

18(P345) 8(P342/3/

4)

Digital inputs (order option) 7 to 32

Output relays (order option) 8 to 32

Front communication port (EIA(RS)232) 2/3/4/5

Rear communication port (KBUS/EIA(RS)485). The followingcommunications protocols are supported; Courier, MODBUS,IEC870-5-103 (VDEW) and DNP3.0.

2/3/4/5

Rear communication port (Fiber Optic). The followingcommunications protocols are supported; Courier, MODBUS,IEC870-5-103 (VDEW) and DNP3.0.

Option2/3/4/5

Second rear communication port (EIA(RS)232/EIA(RS)485).Courier protocol.

Option2/3/4/5

Rear IEC61850 Ethernet communication port. Option2/3/4/5

Time synchronization port (IRIG-B)Option2/3/4/5


36/936


(IT) 1-10 MiCOM P342, P343, P344, P345 & P391

The P34x supports the following relay management functions in addition to the functionsillustrated above.

Measurement of all instantaneous & integrated values

Circuit breaker status & condition monitoring

Trip circuit and coil supervision

4 Alternative setting groups

Programmable function keys (P345)

IT Control inputs

Programmable scheme logic

Programmable allocation of digital inputs and outputs

Sequence of event recording

Comprehensive disturbance recording (waveform capture)

Fault recording

Fully customizable menu texts

Multi-level password protection

Power-up diagnostics and continuous self-monitoring of relay

Commissioning test facilities

Real time clock/time synchronization - time synchronization possible from IRIG-B input,opto input or communications

Appl ication overview

Figure 1: Functional diagram


37/936


MiCOM P342, P343, P344, P345 & P391 (IT) 1-11

IT

3.2 Ordering options

Information Required with Order

MiCOM P342 GENERATOR PROTECTION RELAY NOMENCLATURE

Character Type (A=Alpha, N=Numeric, X=Alpha-numeric)

Character Numbering (Maximum = 15)A N N N A X X X A X X N N X A

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

P 3 4 2 * * * * * M 0 * * 0 *

Vx Aux Rating24-48 Vdc48-110 Vdc, 30-100 Vac110-250 Vdc, 100-240 Vac

123

In/Vn RatingIn=1A/5A, Vn=100/120VIn=1A/5A, Vn=380/480V

12

Hardware OptionsNothing

IRIG-B only (modulated)Fiber Optic Converter OnlyIRIG-B (modulated) + Fiber Optic ConverterEthernet (100Mbps)**2

ndRear Comms. Board*

IRIG-B* (modulated) + 2nd

Rear Comms BoardEthernet (100Mbps) + IRIG-B (modulated)**Ethernet (100Mbps) + IRIG-B (de-modulated) **IRIG-B (de-modulated) **

1

234678

ABC

Product SpecificSize 40TE Case, No Option (8 Optos + 7 Relays)Size 40TE Case, 8 Optos + 7 Relays + RTDSize 40TE Case, 8 Optos + 7 Relays + CLIO*Size 40TE Case, 16 Optos + 7 Relays*Size 40TE Case, 8 Optos + 15 Relays*Size 40TE Case, 12 Optos + 11 Relays*Size 60TE Case, 16 Optos + 16 Relays*Size 60TE Case, 16 Optos + 16 Relays + RTD*Size 60TE Case, 16 Optos + 16 Relays + CLIO*Size 60TE Case, 24 Optos + 16 Relays*

Size 60TE Case, 16 Optos + 24 Relays*Size 60TE Case, 16 Optos + 16 Relays + RTD + CLIO*Size 60TE Case, 24 Optos + 16 Relays + RTD*Size 60TE Case, 16 Optos + 24 Relays + RTD*Size 40TE Case, 8 Optos + 7 Relays + 4 Relays HB**Size 60TE Case, 16 Optos +16 Relays + 4 Relays HB**Size 60TE Case, 16 Optos + 8 Relays + 4 Relays HB +

RTD**Size 60TE Case, 16 Optos + 8 Relays + 4 Relays HB +

CLIO**Size 60TE Case, 16 Optos + 8 Relays + 4 Relays HB +RTD + CLIO**

ABCDEFGHJK

LMNP

QRS

T

U

Note: HB = High Break, CLIO required for Rotor EF

Protocol OptionsK-BusMODBUSIEC870DNP3.0IEC 61850 + Courier via rear EIA(RS)485 port

12346

MountingPanel Mounting M

Language OptionsMultilingual English, French, German, SpanishMultilingual English, French, German, Russian

05

Software 33

Setting FilesDefaultCustomer

01

Design SuffixOriginalPhase 2 HardwarePhase 2 CPU

ACJ

Note Design Suffix

A = Original hardware (48V opto inputs only, lower contact rating, no I/O expansion available)C = Universal optos, new relays, new power supplyJ = Phase 2 CPU and front panel with 2 hotkeys and dual characteristic optos

* Not available in design suffix A relays** Not available in design suffix A,B, C

Note Mounting

For rack mounting assembled single rack frames and blanking plates are available


38/936


(IT) 1-12 MiCOM P342, P343, P344, P345 & P391


Character Type (A=Alpha, N=Numeric,X=Alpha-numeric) A N N N A X X X A X X N N X A

Character Numbering (Maximum = 15)

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

IT

P 3 4 3 * * * * * M 0 * * 0 *


123


12

Hardware OptionsNothingIRIG-B only (modulated)Fiber Optic Converter OnlyIRIG-B (modulated) + Fiber Optic Converter

Ethernet (100Mbps)**2nd

Rear Comms. Board*IRIG-B (modulated) + 2

ndRear Comms Board*

Ethernet (100Mbps) + IRIG-B (modulated)**Ethernet (100Mbps) + IRIG-B (de-modulated) **IRIG-B (de-modulated) **

1234

678

ABC

Product SpecificSize 60TE Case, No Option (16 Optos + 14 Relays)Size 60TE Case, 16 Optos + 14 Relays + RTDSize 60TE Case, 16 Optos + 14 Relays + CLIO*Size 60TE Case, 24 Optos + 14 Relays*Size 60TE Case, 16 Optos + 22 Relays*Size 80TE Case, 24 Optos + 24 Relays*Size 80TE Case, 24 Optos + 24 Relays + RTD*Size 80TE Case, 24 Optos + 24 Relays + CLIO*Size 80TE Case, 32 Optos + 24 Relays*Size 80TE Case, 24 Optos + 32 Relays*Size 80TE Case, 24 Optos + 24 Relays + RTD + CLIO*Size 80TE Case, 32 Optos + 24 Relays + RTD*Size 80TE Case, 24 Optos + 32 Relays + RTD*

ABCDEFGHJKLMN

PQSize 80TE Case, 32 Optos + 16 Relays + RTD + CLIO*Size 80TE Case, 16 Optos + 32 Relays + RTD + CLIO*Size 60TE Case, 16 Optos + 14 Relays + 4 Relays HB**Size 60TE Case, 16 Optos + 7 Relays + 4 Relays HB +


CLIO**Size 80TE Case, 16 Optos + 16 Relays + 8 Relays HBSize 80TE Case, 16 Optos + 16 Relays + 8 Relays HB +


CLIO**Size 80TE Case, 16 Optos + 16 Relays + 8 Relays HB +

RTD + CLIO**

R

S

T

UV

W

X


Protocol OptionsK-BusMODBUSIEC870DNP3.0

IEC 61850 + Courier via rear EIA(RS)485 port

1234

6

MountingPanel MountingRack Mounting (80TE case only)

MN

Language Options05

Multilingual English, French, German, SpanishMultilingual English, French, German, Russian

Software 33


01

Design SuffixOriginal UniversalPhase 2 HardwarePhase 2 CPU

ACJ


39/936


MiCOM P342, P343, P344, P345 & P391 (IT) 1-13

IT

Note Design Suffix

A = Original hardware (48V opto inputs only, lower contact rating, no I/O expansion available)C = Universal optos, new relays, new power supplyJ = Phase 2 CPU and front panel with 2 hotkeys and dual characteristic optos

* Not available in design suffix A relays** Not available in design suffix A,B, C

Note Mounting

For rack mounting in the 60TE case size assembled single rack frames and blanking plates are available


40/936


(IT) 1-14 MiCOM P342, P343, P344, P345 & P391

IT


Character Type (A=Alpha, N=Numeric,X=Alpha-numeric)


A N N N A X X X A X X N N X A

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

P 3 4 4 * * * * * M 0 * * 0 *


123


12


Ethernet (100Mbps)2nd

Rear Comms. BoardIRIG-B (modulated) + 2

ndRear Comms Board*

Ethernet (100Mbps) + IRIG-B (modulatedEthernet (100Mbps) + IRIG-B (de-modulated)IRIG-B (de-modulated)

1234

678

ABC

Product SpecificSize 80TE Case, No Option (24 Optos + 24 Relays)Size 80TE Case, 24 Optos + 24 Relays + RTDSize 80TE Case, 24 Optos + 24 Relays + CLIOSize 80TE Case, 32 Optos + 24 RelaysSize 80TE Case, 24 Optos + 32 RelaysSize 80TE Case, 24 Optos + 24 Relays + RTD + CLIOSize 80TE Case, 32 Optos + 24 Relays + RTDSize 80TE Case, 24 Optos + 32 Relays + RTDSize 80TE Case, 32 Optos + 16 Relays + RTD + CLIOSize 80TE Case, 16 Optos + 32 Relays + RTD + CLIO Size 80TE Case, 24 Optos + 16 Relays + 4 Relays HBSize 80TE Case, 24 Optos + 16 Relays + 4 Relays HB +

RTDSize 80TE Case, 24 Optos + 16 Relays + 4 Relays HB +

CLIOSize 80TE Case, 24 Optos + 16 Relays + 4 Relays HB +

RTD + CLIOSize 80TE Case, 16 Optos + 16 Relays + 8 Relays HBSize 80TE Case, 16 Optos + 16 Relays + 8 Relays HB +



RTD + CLIO

ABCDEFGHJKLM

N

P

QR

S

T



12346

MountingPanel MountingRack Mounting

MN


05

Software 33


01

Design SuffixPhase 2 CPU J

Note Design Suffix

J = Original hardware (phase 2 CPU and front panel with 2 hotkeys and dual characteristic optos)


41/936


MiCOM P342, P343, P344, P345 & P391 (IT) 1-15

IT

MiCOM P345 (GENERATOR RELAY WITH SIGMA-DELTA INPUT MODULE) NOMENCLATURE

Character Type (A=Alpha, N=Numeric,X=Alpha-numeric)


A N N N A X X X A X X N N X A

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

P 3 4 5 * * * * * M 0 * * 0 *


123

In/Vn RatingIn = 1A/5A, Vn=100/120VIn = 1A/5A, Vn=380/480V

12


Ethernet (100Mbps)2nd

Rear Comms. BoardIRIG-B (modulated) + 2

ndRear Comms Board*

Ethernet (100Mbps) + IRIG-B (modulated)Ethernet (100Mbps) + IRIG-B (de-modulated)IRIG-B (de-modulated)

1234

678

ABC

Product SpecificSize 80TE Case, No Option (24 Optos + 24 Relays)Size 80TE Case, 24 Optos + 24 Relays + RTDSize 80TE Case, 24 Optos + 24 Relays + CLIOSize 80TE Case, 32 Optos + 24 RelaysSize 80TE Case, 24 Optos + 32 RelaysSize 80TE Case, 24 Optos + 24 Relays + RTD + CLIOSize 80TE Case, 32 Optos + 24 Relays + RTDSize 80TE Case, 24 Optos + 32 Relays + RTDSize 80TE Case, 32 Optos + 16 Relays + RTD + CLIOSize 80TE Case, 16 Optos + 32 Relays + RTD + CLIO Size 80TE Case, 24 Optos + 16 Relays + 4 Relays HBSize 80TE Case, 24 Optos + 16 Relays + 4 Relays HB +



RTD + CLIOSize 80TE Case, 16 Optos + 16 Relays + 8 Relays HBSize 80TE Case, 16 Optos + 16 Relays + 8 Relays HB +



RTD + CLIO

ABCDEFGHJKLM

N

P

QR

S

T



12346

MountingPanel MountingRack Mounting

MN


05

Software 33


01

Design SuffixExtended Phase 2 CPU with 10 function keys andtri-color LEDs

K

* Note Design Suffix

K = Extended phase 2 CPU (phase 2 CPU and front panel with 10 function keys and tri-color LEDs and dual characteristic optos)

Separately ordered P345 accessories for low frequency injection 100% stator earth fault protection

1. 20Hz generator (Surface/Flush/Rail Mounted)

2. Bandpass Filter (Surface/Flush/Rail Mounted)

3. 400/5A Tripping CT


42/936


(IT) 1-16 MiCOM P342, P343, P344, P345 & P391

MiCOM P391 (GENERATOR ROTOR EARTH FAULT MODULE) NOMENCLATURE

Character Type (A=Alpha, N=Numeric,X=Alpha-numeric) A N N N A X X X A X X N N X A

Character Numbering (Maximum = 15)1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

IT

P 3 9 1 9 0 1 A 0 M 0 0 0 0 A

Vx Aux Rating60-250 Vdc, 100-230V ac 9

In/Vn RatingN/A

0

Hardware OptionsNone

1

Product SpecificANone

Protocol OptionsN/A 0

MountingPanel MountingRack MountingWall Mounting

PRW

Software 33

Setting FilesN/A 0

Design SuffixOriginal hardware A


43/936

Technical Data P34x/EN TD/I76

MiCOM P342, P343, P344, P345 & P391

TD

TECHNICAL DATA

Date: 7thJuly 2008

Hardware Suffix :J (P342/3/4) K (P345)A (P391)

Software Version: 33

Connection Diagrams: 10P342xx (xx = 01 to 17)

10P343xx (xx = 01 to 19)

10P344xx (xx = 01 to 12)10P345xx (xx = 01 to 07)

10P391xx (xx = 01 to 02)


44/936

P34x/EN TD/I76 Technical Data

MiCOM P342, P343, P344, P345 & P391

TD


45/936


MiCOM P342, P343, P344, P345 & P391 (TD) 2-1

TD

Technical Data


Design

Modular MiCOM Px40 platform relay, P342 in40TE or 60TE case, P343 in 60TE or 80TEcase, P344/5 in 80TE case.Mounting is front of panel flush mounting, or19 rack mounted (ordering options).

Enclosure ProtectionPer IEC 60529: 1992:IP 52 Protection (front panel) against dust anddripping water,IP 50 Protection for sides of the case,IP 10 Protection for the rear.

WeightP342 (40TE): 7.9kgP342 (60TE): 9.2kgP343 (60TE): 11.5kgP343/4/5 (80TE): 14kg

Terminals

AC Current and Voltage Measur ing InputsLocated on heavy duty (black) terminal block:Threaded M4 terminals, for ring lug

connection.CT inputs have integral safety shorting, uponremoval of the terminal block.

General Input/Output TerminalsFor power supply, opto inputs, output contactsand RP1 rear communications.Located on general purpose (grey) blocks:Threaded M4 terminals, for ring lugconnection.

Case Protective Earth Connection

Two rear stud connections, threaded M4.Must be earthed (grounded) for safety,minimum earth wire size 2.5mm

2.

Front Por t Serial PC InterfaceEIA(RS)232 DCE, 9 pin D-type femaleconnector Socket SK1.Courier protocol for interface to MiCOM S1Studio software.Isolation to ELV (extra low voltage) level.Maximum cable length 15m.

Front Download/Monitor PortEIA(RS)232, 25 pin D-type female connectorSocket SK2.For firmware and menu text downloads.Isolation to ELV level.

Rear Communications Por t (RP1)EIA(RS)485 signal levels, two wireconnections located on general purpose block,M4 screw.For screened twisted pair cable, multidrop,1000m max.

For K-Bus, IEC-60870-5-103, MODBUS orDNP3.0 protocol (ordering options).Isolation to SELV (Safety Extra Low Voltage)level.

Optional Rear Fiber Connection forSCADA/DCSBFOC 2.5 -(ST)-interface for glass fiber, asper IEC 874-10.850nm short-haul fibers, one Tx and one Rx.For Courier, IEC-60870-5-103, MODBUS orDNP3.0 (Ordering options).

Optional Second Rear CommunicationsPort (RP2)EIA(RS)232, 9 pin D-type female connector,socket SK4.Courier protocol: K-Bus, EIA(RS)232, orEIA(RS)485 connection.Isolation to SELV level.

Optional Rear IRIG-B Interface modulatedor de-modulatedBNC plugIsolation to SELV level.50 ohm coaxial cable.

Optional Rear Ethernet Connection forIEC 61850

10BaseT/100BaseTX CommunicationsInterface in accordance with IEEE802.3 andIEC 61850Isolation: 1.5kVConnector type: RJ45Cable type: Screened Twisted Pair (STP)Max. cable length: 100m

100 Base FX InterfaceInterface in accordance with IEEE802.3 andIEC 61850Wavelength: 1300nmFiber: multi-mode 50/125m or 62.5/125mConnector type: BFOC 2.5 -(ST)

Ratings

AC Measuring InputsNominal frequency: 50 and 60 Hz (settable)Operating range: 5 to 70 Hz


46/936


(TD) 2-2 MiCOM P342, P343, P344, P345 & P391

TD

AC CurrentNominal current (In): 1 and 5 A dual rated.(1A and 5A inputs use different transformer tapconnections, check correct terminals arewired).Nominal burden


47/936


MiCOM P342, P343, P344, P345 & P391 (TD) 2-3

TD

Output Contacts

Standard ContactsGeneral purpose relay outputs for signaling,tripping and alarming:

Continuous Carry Ratings (Not Switched):Maximum continuous current: 10A (UL: 8A)Short duration withstand carry: 30A for 3s

250A for 30msRated voltage: 300 V

Make & Break Capacity:DC: 50W resistiveDC: 62.5W inductive (L/R = 50ms)

AC: 2500VA resistive (cos = unity)AC: 2500VA inductive (cos = 0.7)

Make, Carry:30A for 3 secs, dc resistive, 10,000operations (subject to the above limits ofmake / break capacity and rated voltage)

Make, Carry & Break:30A for 200ms, ac resistive, 2,000operations (subject to the above limits ofmake / break capacity & rated voltage)4A for 1.5 secs, dc resistive, 10,000operations (subject to the above limits ofmake / break capacity & rated voltage)

0.5A for 1 sec, dc inductive, 10,000operations (subject to the above limits ofmake / break capacity & rated voltage)

10A for 1.5 secs, ac resistive / inductive,10,000 operations (subject to the abovelimits of make / break capacity & ratedvoltage)

Durability:Loaded contact: 10 000 operations

minimum,Unloaded contact: 100 000 operations

minimum.

Operate TimeLess than 5ms

Reset TimeLess than 5ms

High Break ContactsContinuous Carry Ratings (Not Switched):Maximum continuous current: 10AShort duration withstand carry: 30A for 3s

250A for 30msRated voltage: 300 V

Make & Break Capacity:DC: 7500W resistiveDC: 2500W inductive (L/R = 50ms)

Make, Carry:30A for 3 secs, dc resistive, 10,000operations (subject to the above limits ofmake / break capacity & rated voltage)

Make, Carry & Break:30A for 3 secs, dc resistive, 5,000operations (subject to the above limits ofmake / break capacity & rated voltage)

30A for 200 ms, dc resistive, 10,000operations (subject to the above limits ofmake / break capacity & rated voltage)10A (*), dc inductive, 10,000 operations(subject to the above limits of make / breakcapacity & rated voltage)

*Typical for repetitive shots 2 minutes idle

for thermal dissipation

Voltage Current L/R No of shotsin 1 sec

65V 10A 40ms 5

150V 10A 40ms 4

250V 10A 40ms 2

250V 10A 20ms 4

MOV protection: Max Voltage 330V dc

Durability:Loaded contact: 10 000 operations

minimum,Unloaded contact: 100 000 operations

minimum.

Operate Time:Less than 0.2ms

Reset Time:Less than 8ms

Watchdog ContactsNon-programmable contacts for relay

healthy/relay fail indication:Breaking capacity:DC: 30W resistiveDC: 15W inductive (L/R = 40ms)

AC: 375VA inductive (cos = 0.7)

IRIG-B 12X Interface (Modulated)External clock synchronization per IRIGstandard 200-98, format B12x

Input impedance 6kat 1000HzModulation ratio: 3:1 to 6:1Input signal, peak-peak: 200mV to 20V

IRIG-B 00X Interface (Un-modulated)

External clock synchronization per IRIGstandard 200-98, format B00X.Input signal TTL level

Input impedance at dc 10k


48/936


(TD) 2-4 MiCOM P342, P343, P344, P345 & P391

TD

Environmental Conditions

Ambient Temperature RangePer IEC 60255-6: 1988:Operating temperature range:

-25C to +55C (or -13F to +131F)Storage and transit:-25C to +70C (or -13F to +158F)

Ambient Humid ity RangePer IEC 60068-2-3: 1969:

56 days at 93% relative humidity and +40 CPer IEC 60068-2-30: 1980

Damp heat cyclic, six (12 + 12) hour cycles,93% RH, +25 to +55 C

Type Tests

InsulationPer IEC 60255-27: 2005

Insulation resistance > 100Mat 500Vdc(Using only electronic/brushless insulation

tester).

Creepage Distances and ClearancesIEC 60255-27: 2005Pollution degree 3,Overvoltage category III,Impulse test voltage 5 kV.

High Voltage (Dielectric) Withstand

(i) Per IEC 60255-27: 2005, 2 kV rmsAC, 1 minute:

Between all independent circuits.Between independent circuits and protective(earth) conductor terminal.

1kV rms AC for 1 minute, across openwatchdog contacts.1kV rms AC for 1 minute, across opencontacts of changeover output relays.1kV rms AC for 1 minute for all D-typeEIA(RS)232/EIA(RS)485 ports betweenthe communications port terminals andprotective (earth) conductor terminal.

(ii) Per ANSI/IEEE C37.90-1989 (reaffirmed1994):1.5 kV rms AC for 1 minute, across opencontacts of normally open output relays.1kV rms AC for 1 minute, across openwatchdog contacts.1kV rms AC for 1 minute, across opencontacts of changeover output relays.

Impulse Voltage Withstand TestPer IEC 60255-27: 2005Front time: 1.2 s, Time to half-value: 50 s,

Peak value: 5 kV, 0.5JBetween all independent circuits.Between all independent circuits andprotective (earth) conductor terminal.Between the terminals of independent circuits.EIA(RS)232 & EIA(RS)485 ports and normallyopen contacts of output relays excepted.

Electromagnetic Compatibil ity(EMC)

1 MHz Burst High Frequency DisturbanceTest

Per IEC 60255-22-1: 1988, Class III,Common-mode test voltage: 2.5 kV,Differential test voltage: 1.0 kV,

Test duration: 2 s, Source impedance: 200 (EIA(RS)232 ports excepted).

100kHz Damped Osci llatory TestPer EN61000-4-18: 2007: Level 3Common mode test voltage: 2.5kVDifferential mode test voltage: 1kV

Immunity to Electrostatic DischargePer IEC 60255-22-2: 1996, Class 4,

15kV discharge in air to user interface,display, communication port and exposedmetalwork.

8kV point contact discharge to any part of thefront of the product.

Electrical Fast Transient or Burs tRequirementsPer IEC 60255-22-4: 2002 andEN61000-4-4:2004. Test severity Class III andIV:Amplitude: 2 kV, burst frequency 5kHz(Class III),

Amplitude: 4 kV, burst frequency 2.5kHz(Class IV).

Applied directly to auxiliary supply, andapplied to all other inputs. (EIA(RS)232ports excepted).

Amplitude: 4 kV, burst frequency 5 kHz(Class IV) applied directly to auxiliary.

Surge Withstand CapabilityPer IEEE/ANSI C37.90.1: 2002:4kV fast transient and 2.5kV oscillatory

applied directly across each output contact,

optically isolated input, and power supplycircuit.4kV fast transient and 2.5kV oscillatory

applied common mode to communications,IRIG-B.

Surge Immunity Test(EIA(RS)232 ports excepted).Per IEC 61000-4-5: 2005 Level 4,Time to half-value: 1.2 / 50 s,

Amplitude: 4kV between all groups andprotective (earth) conductor terminal,Amplitude: 2kV between terminals of eachgroup.


49/936


MiCOM P342, P343, P344, P345 & P391 (TD) 2-5

TD

Conducted/Radiated immunityFor RTDs used for tripping applications theconducted and radiated immunity performanceis guaranteed only when using totally shieldedRTD cables (twisted leads).

Immunity to Radiated ElectromagneticEnergyPer IEC 60255-22-3: 2000, Class III:Test field strength, frequency band 80 to 1000MHz:

10 V/m,Test using AM: 1 kHz / 80%,Spot tests at 80, 160, 450, 900 MHz

Per IEEE/ANSI C37.90.2: 2004:80MHz to 1000MHz, 1kHz 80% am and ampulsed modulated.Field strength of 35V/m.

Radiated Immunity from DigitalCommunicationsPer EN61000-4-3: 2002, Level 4:Test field strength, frequency band 800 to 960MHz, and 1.4 to 2.0 GHz:

30 V/m,Test using AM: 1 kHz/80%.

Radiated Immunity from Digital RadioTelephonesPer IEC61000-4-3: 2002:10 V/m, 900MHz and 1.89GHz.

Immunity to Conducted Disturbances

Induced by Radio Frequency FieldsPer IEC 61000-4-6: 1996, Level 3,Disturbing test voltage: 10 V.

Power Frequency Magnetic Field ImmunityPer IEC 61000-4-8: 1994, Level 5,

100A/m applied continuously,1000A/m applied for 3s.

Per IEC 61000-4-9: 1993, Level 5,1000A/m applied in all planes.

Per IEC 61000-4-10: 1993, Level 5,100A/m applied in all planes at100kHz/1MHz with a burst duration of 2s.

Conducted EmissionsPer EN 55022: 1998 Class A:

0.15 - 0.5MHz, 79dBV (quasi peak)66dBV (average)0.5 - 30MHz, 73dBV (quasi peak) 60dBV(average).

Radiated EmissionsPer EN 55022: 1998 Class A:

30 - 230MHz, 40dBV/m at 10mmeasurement distance

230 - 1GHz, 47dBV/m at 10m

measurement distance.

EU Directives

EMC Compl iancePer 2004/108/EC:Compliance to the European Commission

Directive on EMC is demonstrated using aTechnical File. Product Specific Standardswere used to establish conformity:

EN 50263: 2000

Product SafetyPer 2006/95/EC:Compliance to the European Commission

Low Voltage Directive. (LVD) isdemonstrated using a Technical File.

A product specific standard was used toestablish conformity.EN 60255-27: 2005

R&TTE ComplianceRadio and Telecommunications TerminalEquipment (R & TTE) directive 99/5/EC.Compliance demonstrated by compliance toboth the EMC directive and the Low voltagedirective, down to zero volts.Applicable to rear communications ports.

ATEX ComplianceATEX Potentially Explosive Atmospheresdirective 94/9/EC, for equipment.The equipment is compliant with Article 1(2) ofEuropean directive 94/9/EC.It is approved for operation outside an ATEXhazardous area. It is however approved forconnection to Increased Safety, Ex e, motorswith rated ATEX protection, EquipmentCategory 2, to ensure their safe operation ingas Zones 1 and 2 hazardous areas.

CAUTION - Equipment with this marking is not

itself suitable for operation within a potentiallyexplosive atmosphere.

Compliance demonstrated by Notified Bodycertificates of compliance.

II (2) G


50/936


(TD) 2-6 MiCOM P342, P343, P344, P345 & P391

TD

Mechanical Robustness

Vibration TestPer IEC 60255-21-1: 1996:

Response Class 2

Endurance Class 2

Shock and BumpPer IEC 60255-21-2: 1996:

Shock response Class 2Shock withstand Class 1Bump Class 1

Seismic TestPer IEC 60255-21-3: 1995:

Class 2

P34x THIRD PARTY COMPLIANCES

Underwriters Laboratory (UL)

File Number: E202519Original Issue Date: 05-10-2002(Complies with Canadian and USrequirements).

Energy Networks Association (ENA)

Certificate Number: 104 Issue 2Assessment Date: 16-04-2004


51/936


MiCOM P342, P343, P344, P345 & P391 (TD) 2-7

TD

Technical Data P391


Design80TE case.Mounting options are, wall mounting, front ofpanel flush mounting, or 19 rack mounted(ordering options)

Enclosure ProtectionPer IEC 60529: 1992

Rack and Panel Mounting Options

IP 20 (Safety) Protection for the case with theterminal safety cover fitted.

Wall Mounting Option

IP 20 (Safety) Protection for the P391 unit withthe terminal safety cover fitted.

WeightP391 (80TE): 5kg

Terminals

AC Voltage Measuring InputsLocated on general purpose (grey) terminalblocks:Threaded M4 terminals, for insulated ringcrimped connectors.

Protective Conductor (Earth) TerminalTwo rear stud connections, threaded M4.Must be earthed (grounded) for safety, usingthe protective (earth) conductor, of minimumwire size 2.5mm

2.

Current Loop OutputLocated on general purpose (grey) terminalblocks:Threaded M4 terminals, for insulated ringcrimped connectors.

Ratings

Low Frequency Measuring Inputs

Nominal frequency: 0.25, 0.5, 1 Hz (settablewith an internal jumper link)

DC Field Voltage Inputs1200V dc maximum

Power Supply

Auxi liary Vol tage (Vx)60-250V dc, or 100-230V ac (rms) 50/60Hz

Operating Range48-300V dc, or 85-253V ac (rms) 50/60Hz

With a tolerable ac ripple of up to 12% for a dcsupply, per IEC 60255-11: 1979.

Nominal BurdenAuxiliary Supply Input burden: 11W or 24VA.

Power Supply InterruptionPer IEC 60255-11: 1979

The relay will withstand a 20ms interruptionin the DC auxiliary supply, without

de-energizing.Per IEC 61000-4-11: 2004

The relay will withstand a 20ms interruptionin an AC auxiliary supply, withoutde-energizing.

Output Contacts

Watchdog ContactsNon-programmable contacts for relayhealthy/relay fail indication:Breaking capacity:

DC: 30W resistive

DC: 15W inductive (L/R = 40ms)AC: 375VA inductive (cos = 0.7)

Loaded contact: 10 000 operationsMinimum,

Unloaded contact: 10 000 operationsMinimum.

Environmental Conditions

Ambient Temperature RangePer IEC 60068-2-1: 2007: cold;

IEC 60068-2-2: 2007: dry heatOperating temperature range:-25C to +55C (or -13F to +131F)

Storage and transit:-25C to +70C (or -13F to +158F)

Ambient Humidity RangePer IEC 60068-2-78: 2001

56 days at 93% relative humidity and +40 C

Type Tests

Insulation

Per IEC 60255-27: 2005:Insulation resistance > 100Mat 500Vdc(Using only electronic/brushless insulationtester).


52/936


(TD) 2-8 MiCOM P342, P343, P344, P345 & P391

TD

Creepage Distances and ClearancesPer IEC 60664-1: 2007Pollution degree 2,Impulse 9.6kVp between injection resistorinputs and protective (case earth) conductorterminal.

Minimum of 10.5mm clearance and 12mmcreepage distance.

High Voltage (Dielectric) Withstand(i) Per IEC 60255-27: 2005, 2 kV rms

ac, 1 minute:Between all independent circuits.Between independent circuits and protective(case earth) conductor terminal.

1kV rms ac for 1 minute, across openwatchdog contacts.

(ii) Per ANSI/IEEE C37.90: 2005

1kV rms ac for 1 minute across openwatchdog contacts.

(iii) Per 60664-1: 20075.8kV rms 1 minute between injectionresistor inputs and protective (case earth)conductor terminal.

Impulse Voltage Withstand TestPer IEC 60255-27 2005Front time: 1.2 s, Time to half-value: 50 s,Peak value: 5 kV, 0.5JBetween all independent circuits.Between all independent circuits andprotective (case earth) conductor terminal.Between the terminals of independent circuits.Normally open contacts of output relaysexcepted.IEC 60664-1: 2007

Impulse 9.6kV between injection resistor inputsand protective (case earth) conductor terminal

Electromagnetic Compatibil ity(EMC)

1 MHz Burst High Frequency DisturbanceTestPer IEC 60255-22-1: 2005, Class III,Common-mode test voltage: 2.5 kV,Differential test voltage: 1.0 kV,

Test duration: 2 s, Source impedance: 200

100kHz Damped Osci llatory TestPer EN61000-4-18: 2007: Level 3Common mode test voltage: 2.5kVDifferential mode test voltage: 1kV

Electrical Fast Transient or Burs tRequirementsPer IEC 60255-22-4: 2002 andEN61000-4-4:2004. Test severity Class III andIV:Amplitude: 2 kV, burst frequency 5kHz(Class III),

Amplitude: 4 kV, burst frequency 2.5kHz(Class IV).

Applied directly to auxiliary supply, andapplied to all other inputs. (EIA(RS)232ports excepted).

Amplitude: 4 kV, burst frequency 5 kHz

(Class IV) applied directly to auxiliary.

Surge Withstand CapabilityPer IEEE/ANSI C37.90.1: 20024kV fast transient and 2.5kV oscillatory applied

directly across each output contact, opticallyisolated input, and power supply circuit.

4kV fast transient and 2.5kV oscillatoryapplied common mode to communications,IRIG-B.

Surge Immunity Test

(EIA(RS)232 ports excepted).Per EN 61000-4-5: 2006 Level 4, EN 60255-22-5: 2002Time to half-value: 1.2 / 50 s,

Amplitude: 4kV between all groups andprotective (earth) conductor terminal,Amplitude: 2kV between terminals of eachgroup.

Level 3: 1kV between terminals of injectionresistor inputs

Immunity to Radiated ElectromagneticEnergyPer IEC 60255-22-3: 2007, Class III:(EN61000-4-3: 2006, Level 3)Test field strength, frequency band 80 to 1000MHz:

10 V/m,Test using AM: 1 kHz / 80%,Spot tests at 80, 160, 450, 900 MHz

Per IEEE/ANSI C37.90.2: 2004:80MHz to 1000MHz, 1kHz 80% am and ampulsed modulated.Field strength of 35V/m.

Radiated Immunity f rom DigitalCommunications

Per EN61000-4-3: 2002, Level 4:Test field strength, frequency band 800 to 960MHz, and 1.4 to 2.0 GHz:30 V/m,Test using AM: 1 kHz/80%.

Radiated Immunity f rom Digital RadioTelephonesPer IEC61000-4-3: 2002:10 V/m, 900MHz and 1.89GHz.

Immunity to Conducted DisturbancesInduced by Radio Frequency Fields

Per IEC 61000-4-6: 2007, Level 3,IEC60255-22-6: 2001Disturbing test voltage: 10 V.


53/936


MiCOM P342, P343, P344, P345 & P391 (TD) 2-9

TD

Power Frequency Magnetic Field ImmunityPer IEC 61000-4-8: 1994, Level 5,

100A/m applied continuously,1000A/m applied for 3s.

Per IEC 61000-4-9: 1993, Level 5,1000A/m applied in all planes.

Per IEC 61000-4-10: 1993, Level 5,100A/m applied in all planes at100kHz/1MHz with a burst duration of 2s.

Conducted EmissionsPer EN 55022: 1998 Class A:

0.15 - 0.5MHz, 79dBV (quasi peak)66dBV (average)0.5 - 30MHz, 73dBV (quasi peak) 60dBV(average).

Radiated EmissionsPer EN 55022: 1998 Class A:

30 - 230MHz, 40dBV/m at 10mmeasurement distance230 - 1GHz, 47dBV/m at 10mmeasurement distance.

EU Directives

EMC Compl iancePer 2004/108/EC:Compliance to the European CommissionDirective on EMC is demonstrated using aTechnical File route. Product SpecificStandards were used to establish conformity:

EN 50263: 2000

Product SafetyPer 2006/95/EC:Compliance with European Commission LowVoltage Directive (LVD). A Product SpecificStandard was used to establish conformity:

EN 60255-27: 2005

Mechanical Robustness

Vibration TestPer IEC 60255-21-1: 1996:

Response Class 2Endurance Class 2

Shock and BumpPer IEC 60255-21-2: 1996:

Shock response Class 2Shock withstand Class 1Bump Class 1

Seismic TestPer IEC 60255-21-3: 1995:

Class 2


54/936


(TD) 2-10 MiCOM P342, P343, P344, P345 & P391

TD

Protection Functions

Generator Differential Protection

Accuracy

Pick-up: Formula 5%Drop-off: 95% of setting 5%Operating time:


55/936


MiCOM P342, P343, P344, P345 & P391 (TD) 2-11

TD

Under Impedance

Accuracy

Pick-up: Setting 5%Drop-off: 105% of setting 5%

Operating time: 2% or 50ms whichever isgreaterRepeatability:


56/936


(TD) 2-12 MiCOM P342, P343, P344, P345 & P391

TD

Restr icted Earth Fault

Accuracy

Pick-up: Setting formula 5%Drop-off: 0.80 (or better) of calculated

differential currentLow impedance operating time:


57/936


MiCOM P342, P343, P344, P345 & P391 (TD) 2-13

TD

Over Voltage

Accuracy

DT Pick-up: Setting 5%IDMT Pick-up: Setting 5%

Drop-off: 0.98 x Setting 5%IDMT characteristic shape: 2% or 50ms

whichever is greater

DT operation: 2% or 50ms whichever isgreater

Reset:


58/936


(TD) 2-14 MiCOM P342, P343, P344, P345 & P391

TD

This is shown in the diagram below. Thisdistance is equivalent to (ZA + ZB)/2*tan87.5.For both characteristics the hysteresis is resetwhen the impedance locus leaves the lens.

Hysteresis of the pole slipping characteristic

Supervisory Functions

Voltage Transformer Supervision

AccuracyFast block operation: Drop-off: 0.9 x Setting 5%VN < Drop-off: (1.05 x Setting) 5% or 1V

whichever is greaterCTS block operation: < 1 cycleCTS reset: < 35ms

Plant Supervision

CB State Monitoring Control andCondition Monitoring

Accuracy

Timers: 2% or 20ms whichever is greaterBroken current accuracy: 5%

Programmable Scheme Logic

Accuracy

Output conditioner timer: Setting 2% or 50mswhichever is greater

Dwell conditioner timer: Setting 2% or 50mswhichever is greaterPulse conditioner timer: Setting 2% or 50ms

whichever is greater

Measurements and RecordingFacilities

Measurements

Accuracy

Current: 0.053 In: 1% of readingVoltage: 0.052 Vn: 5% of readingPower (W): 0.22 Vn, 0.053 In: 5% of

reading at unity power factorReactive Power (VArs): 0.22 Vn, 0.053 In:

5% of reading at zero power factorApparent

Documents

p 34 x Schneider