ELECTRICAL AND I&C CODES AND INSPECTION · 2012. 12. 5. · 603 - Safety Systems 10 CFR 50.55a(h) requires that safety systems for plants with construction permits issued after May

ELECTRICAL AND I&CCODES AND INSPECTION

1Numark Associates, Inc.

Day 5

IEEE Nuclear Standards

Sessions:

8. Generic Criteria for Nuclear Power Plants


9. Design Standards

10. Qualification Standards

11. Handling, Shipping, and Storage

Approach

• Standards that have a significant connection to the inspection of new plants


p• Standards that could be related to new

plant inspections• Standards that are worthy of mention for

the student’s future study but are beyond the scope of this class (OOS)



8. Generic Criteria for NPPs Objectives

• Identify the major generic standards

• Provide a general overview of the purpose of these standards


purpose of these standards

• Discuss how these standards relate to new reactor inspection


• 603 - Safety Systems


• 379 - Single Failure

• 384 - Independence

603 - Safety Systems

10 CFR 50.55a(h) requires that safety systems for plants with construction permits issued after May 13, 1999,


p y , ,must meet the requirements of IEEE Std 603-1991.


• Safety System is “a system that is relied upon to remain functional during and following design basis events to ensure: (i) the integrity of the reactor coolant pressure

boundary


boundary, (ii) the capability to shut down the reactor and

maintain it in a safe shutdown condition, or (iii) the capability to prevent or mitigate the

consequences of accidents that could result in potential offsite exposures comparable to the10 CFR Part 100 guidelines.”


• Minimum functional and design criteria for the power, instrumentation, and control portions of safety systems


p y y

• Could also be applied to safe shutdown, post accident monitoring displays, interlock features, or any SSC important to safety


Clauses of Interest

4. Safety system design basis


5. Safety system criteria

6. Sense and command features

7. Execute features

8. Power source requirements

603 - Safety SystemsClause 5. Safety System Criteria

• Single failure criterion

• Completion of protective action


• Quality per NQA-1

• Equipment qualification

• System integrity

• Independence


• Capability for testing and calibration

• Information displays


• Control of access

• Repair

• Identification


• Auxiliary features (associated functions)

M lti it t ti


• Multi-unit stations

• Human factors

• Reliability

• Common cause failure criteria

603 - Safety SystemsClause 6. Sense and Command

• Automatic control

• Manual control

Interaction ith other s stems


• Interaction with other systems

• System inputs

603 - Safety SystemsClause 6. Sense and Command

• Capability for testing and calibration

• Operating bypasses

M i b


• Maintenance bypass

• Setpoints

379 - Single Failure

• This standard covers application of the single-failure criterion to the electrical power instrumentation and control


power, instrumentation, and control portions of safety systems


• Safety systems include the actuation and protection systems, as well as the sense, command, and execute features of the


power system.

• The standard also discusses failures and an acceptable method of single-failure analysis.


Clause 5. Requirements

• Independence and redundancy

• Nondetectable failure


• Cascaded failures

• Design basis events

• Common-cause failures

• Shared systems

379 - Clause 6. Design Analysis for Single Failure

• Procedure guidance


• Systems portions analysis

• Other considerations

384 - Independence

• The standard describes independence requirements of the circuits and equipment comprising or associated with Class 1E systems


systems.

• Criteria for the independence that can be achieved by physical separation and electrical isolation of circuits and equipment that are redundant are set forth.

8. General Criteria for Nuclear Plant Power Systems

• 308 - Class lE power systems


• 765 - Preferred power supplies

Class 1E

• The safety classification of the electric equipment and systems that are essential to emergency reactor shutdown, containment


g yisolation, reactor core cooling, and containment and reactor heat removal or that are essential in preventing significant release of radioactive material to the environment.

308 - Class lE Power Systems

• The standard covers the Class 1E portions of alternating current and direct current power systems and instrumentation and control power systems.


• The standard provides criteria for the determination of Class 1E power system design features, criteria for sharing Class 1E power systems in multi-unit stations, the requirements for their testing and surveillance, and the requirements for documentation of the Class 1E power system.

IEEE Std. 308TM

Figure 1


308 - Class lE Power SystemsPrincipal Clauses

4. Principal Design Criteria

5. Supplementary Design Criteria

6 Surveillance and Test Requirements


6. Surveillance and Test Requirements

7. Multi-unit Station Considerations

8. Documentation

308 - Clause 4. Principal Design Criteria

4.1 General4.2 Relationship with the safety system4 3 Design basis event


4.3 Design basis event4.4 Design basis4.5 Power quality4.6 Location of indicators and control4.7 Identification

308 - Clause 4. Principal Design Criteria

4.8 Independence4.9 Equipment qualification 4 10 Single failure criterion


4.10 Single-failure criterion 4.11 Connection of non-Class 1E circuits4.12 Control of access 4.13 Circuits that penetrate containment4.14 Protection

308 - Clause 5.Supplementary Design Criteria

5.1 Class 1E power systems

5.2 Alternating current power systems


5.3 Direct current power systems

5.4 I&C power systems

5.5 Execute features

5.6 Sense and command features

308 - Clause 6.Surveillance and Test

6.1 Surveillance methods

6.2 Preoperational tests and i ti


inspections

6.3 Preoperational system test

6.4 Periodic tests

308 - Clause 7.Multiunit Station Considerations

7.1 Criteria

7.2 Standby power supply capacity


7.3 Battery supply

308 - Clause 8. Documentation

8.1 Design documentation records

8.2 Verification and validation


8.3 Test records

765 - Preferred Power Supplies

• Design criteria of the preferred power supply (PPS)


• Interfaces with the Class 1E power system, switchyard, transmission system, and alternate ac (AAC) source

• AAC power source interfaces with PPS

IEEE Std. 765TM,

Figure 1© PPS Interface



4. General design criteria

5. Specific design


6. Surveillance, control, and test requirements

7. Multi-unit considerations


Clause 4. General Design Criteria

4.1 General4.2 Safety classification 4 3 Function


4.3 Function4.4 Capacity and capability4.5 Availability4.6 Independence4.7 Design basis

765 - Preferred Power SuppliesClause 5. Specific Design

5.1 Transmission system interface

5.2 Switchyard interface


5.3 Class 1E power system interface

5.4 AAC source interface

IEEE Std 765TM, Figure 4©

Enhanced PPS


765 - Preferred Power Supplies Clause 6.

Surveillance, Control, and Test Requirements

6.1 Surveillance requirements

6.2 Control requirements


6.3 Test requirements

765 - Preferred Power SuppliesClause 7. Multi-Unit Considerations

7.1 Sharing of PPSs

7.2 Shared system capability


7.3 Surveillance

7.4 Protective systems

7.5 Design basis

7.6 Shared controls and indication

General Criteria Computer Systems

7-4.3.2 - Digital computers in safety systems of nuclear power generating t ti


stations

12207.0 - Software life cycle processes

7-4.3.2 - Digital Computers in Safety Systems

• This standard provides supplemental the criteria and requirements to IEEE Std 603-1998.

• “Computer” is a system that includes computer


• Computer is a system that includes computer hardware, software, firmware, and interfaces.

• The criteria establish minimum functional and design requirements for computers used as components of a safety system.

12207.0 - Software Life Cycle Processes

• The standard provides a common framework for developing and managing software life cycle processes.

• It applies to the acquisition of systems and software products and services.


• Also applies to the supply, development operation, maintenance, and disposal of software products and the software portion of a system.

• 12207.0 is an International Standard

8. Generic Criteria for NPPsObjectives Review

• Identified the major generic standards

• Provided a general overview of the f th t d d


purpose of these standards

• Discussed how these standards relate to new reactor inspection by identifying and discussing their major clauses

8. General CriteriaOut of Scope (OOS)

• 279 - Protection systems

• 494 Identification of documents


• 494 - Identification of documents

• 803 - Unique identification

• 805 - System identification

9 Design Standards


9. Design Standards for NPPs Objectives

• Identify the major design standards




9. IEEE Design Standards

• Structures


• Systems

• Components

IEEE Design Standards Structures

• 420 - Control Boards Panels, Racks


• 567 - Control Room Complex OOS

420 - Control Boards, Panels and Racks

• Design requirements for new and/or modified Class 1E control boards, panels, and racks


• Establishes the methods to verify those requirements

• Separation criteria

• Qualification

567 - Control Room Complex OOS

• This standard addresses the central control room and the overall complex where this room is housed


where this room is housed.

IEEE Design Standards Systems

• 497 - Post Accident Monitoring System• 519 - Control Systems OOS• 622 - Heat Tracing Systems


• 622 - Heat Tracing Systems• 666 - Electric Power Service Systems

OOS• 692 - Security Systems OOS• 946 - DC Auxiliary Power

497 - Post Accident Monitoring System

• Criteria for variable selection, performance, design, and qualification

• Display alternatives for accident monitoring


Display alternatives for accident monitoring instrumentation

• Documentation of design bases

• Use of portable instrumentation

622 - Heat Tracing

• Design and installation of electric heat tracing systems– Critical process temperature control – Freeze protection.


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• Identifies Considerations for – Heater design– Power systems design– Temperature control– Alarm

946 - DC Auxiliary Power

• Guidelines for the design of DC auxiliary power

• Including lead-acid storage batteries, static battery chargers and distribution equipment


battery chargers, and distribution equipment

• Guidance for – quantity and types of equipment – equipment ratings, interconnections,

instrumentation, control and protection


• DC auxiliary power systems operate those components that must be available should a loss of ac power occur.


• Examples of such components are:– DC valves and auxiliary oil motors– Circuit breaker control – Relays and solenoids – Inverters


4. General

5. Batteries


6. Battery chargers

7. Distribution system and equipment

8. Spare equipment

946 - DC Auxiliary Power Clause 4. General

4.1 Description and operation

4.2 Number of batteries


4.3 Number of chargers and distribution panels

4.4 System voltage and battery size considerations

4.5 Physical layout


• Equipment Sizing– Battery duty cycle

Battery chargers


– Battery chargers

– Distribution equipment and protective devices

– Instrumentation and alarms

946 - DC Auxiliary Power Clause 5. Batteries

5.1 General description

5.2 Determination of battery size


5.3 Installation design

5.4 Maintenance and testing

5.5 Qualification

946 - DC Auxiliary PowerClause 6. Battery Chargers

6.1 General description

6.2 Determination of rated output


6.3 Sample calculations

6.4 Installation design

6.5 Output characteristics


Clause 7. Distribution Equipment

7.1 Protective device


7.2 Typical diagram

DC System Block Diagram

Battery


Battery ChargerSpare Battery

ChargerDC Loads

946 - DC Auxiliary PowerClause 7. Distribution Equipment

7.3 Voltage ratings

7 4 Instrumentation controls and


7.4 Instrumentation, controls, and alarms

7.5 Special DC loads

946 - DC Auxiliary PowerClause 7. Distribution Equipment

7.6 Design features for testing

7.7 Cross-tie between buses


7.7 Cross tie between buses

7.8 Qualification

7.9 Available short-circuit current

946 - DC Auxiliary PowerClause 8. Spare Equipment

• Spare battery charger


• Spare battery cells

• Multiple batteries in same division

946 - DC Auxiliary Power Informative Annexes

• Bibliography

• Battery Charger Rating

• Battery Short Circuit Current


Battery Short Circuit Current

• Effect of Grounds

• Battery Charger Short Circuit Current

IEEE Design Standards Components

• Power supplies

• Cables


• Cables

• Motors

• Miscellaneous

IEEE Design Standards Power Supply Components

• 387 - Diesel generators

• 485 - Sizing large lead acid batteries OOS


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• 944 - Uninterruptible power supplies (withdrawn)

387 - Diesel Generators

• The standard describes criteria for the application and testing of diesel-generator units


• Covers the principal design criteria, factory production testing, qualification requirements, and site testing


Clause 4. Principal Design Criteria

• Capability

• Ratings

• Interactions


Interactions

• Design and application

• Design features

387 - Diesel GeneratorsTesting

• Factory

• Qualification


• Site acceptance

• Periodic surveillance

387 - Diesel GeneratorsClause 5. Factory Production Tests

• Engine Tests

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• Generator Tests

• Excitation Tests

387 - Diesel GeneratorsClause 6. Qualification

6.1 General

6.2 Initial Type Tests

6.3 Aging


6.4 Seismic Qualification Requirements

6.5 Ongoing Surveillance

6.6 Modifications

6.7 Documentation

387 - Diesel GeneratorsClause 7. Site Testing

7.1 Testing

7.2 Site Acceptance Testing


7.3 Pre-operational Testing

7.4 Periodic Testing

7.5 Test Descriptions

7.6 Records

387 - Diesel Generators Informative Annexes

• Establishing the Load Profile

• Aging


• Aging

• Monitoring and Trending

• Reliability Programs

485 - Sizing Large Lead Acid Batteries OOS

• Describes methods for defining the DC load


• Correction factors

944 - Uninterruptible Power Supplies

• Low-voltage uninterruptible power supply (UPS) system used for service in power generating stations


• Service conditions

• Semi-conductor ac-to-ac converter systems (static) with battery backup

944 - Uninterruptible Power Supplies

4. Service Conditions

5. Design Application Requirements


6. Procurement Document Requirements

7. Testing Requirements

944 - UPS Clause 4. Service Conditions

4.1 Usual Service Conditions


4.2 Unusual Service Conditions

944 - UPS Clause 5. Design Application Requirements

5.1 Background

5.2 Application

3 P f R i


5.3 Performance Requirements

5.4 Considerations

5.5 Bypass Transformers and Voltage Regulators

944 - UPS Clause 5. Design Application Requirements

5.6 Special Considerations

5.7 Source Requirements


5.8 Output Requirements

5.9 Controls, Instruments, and Alarms

944 - UPS Clause 6. Procurement Document Requirements

6.1 UPS System Requirements


6.2 Component Requirements

944 - UPS

Clause 7. Testing Requirements

7.1 General

7.2 Functional Unit Tests


7.3 UPS Tests

7.4 Test Specifications

944 - UPSSub-clause 7.4. Test Specifications

• Light-Load Test

• Synchronization Test

• AC Input Failure Test


• AC Input Return Test

• Transfer Test—Forward and Reverse

• Rated Full-Load Test

• UPS Efficiency Test

944 - UPSSub-clause 7.4. Test Specifications

• Output-Voltage Balance Test

• Overload Capability Test

• Short-Circuit Capability Test


Short Circuit Capability Test

• Harmonic-Components Test

• Audible Noise Test

• Heat-Load Test

IEEE Design StandardsCable Components

• 690 - Cable Systems

• 848 - Ampacity Derating of Fire-


848 Ampacity Derating of FireProtected Cables

IEEE Design Standards Cable Components

• 835 - Power Cable Ampacity Tables OOS


• 1143 - Low Voltage Cable Shielding OOS

• 1202 - Flame Tests for Cables OOS

690 - Cable Systems

• Design and installation of electrical cable systems

• Areas of concern – fire protection


p– raceways– separation – cable performance requirements – installation acceptance testing– documentation

848 - Ampacity Derating of Fire-Protected Cables

• Test procedure for determining the ampacity or derating factor

• Cable installation configurations covered:


• Cable installation configurations covered: – Block-out or sleeve type cable penetration fire

stops – Conduits covered with a protective material – Tray covered with a protective material – Cable directly covered or coated with a fire-

retardant material– Free-air drops enclosed with a protective material

848 - Ampacity Derating of Fire-Protected Cables

Significant Clauses


4. Test Description

5. Evaluation of test results

6. Documentation of testing

848 - Ampacity Derating

Clause 4. Test Description

4.1 General

4.2 Test specimens - protected cable systems


4.3 Test specimens - cable penetration fire stop

4.4 Test facility

4.5 Test procedure

848 - Ampacity DeratingClause 5. Evaluation of Test Results

5.1 Normalizing test results


5.2 Ampacity derating factor

848 - Ampacity Derating Clause 6. Documentation

• Description of Test and Test Equipment

T t P d


• Test Procedures

• Quality Control Records Documenting the Analysis and Results

IEEE Design Standards Motor Components

• 334 - Qualifying Continuous Duty Class 1E Motors for Nuclear Power Generating Stations


• 1290 - Motor Operated Valve (MOV) Motor Application, Protection, Control, and Testing

• 1349 - Electric Motors in Class I, Division 2 Hazardous (Classified) Locations OOS

1290 - MOV Motor Application, Protection, Control, and Testing

• Evaluate the adequacy of motors used to drive valve operators


• Recommendations for motor applications

• Methods for protection, control, and testing of motors used for valve operation

1290 - MOV MotorsSignificant Clauses

4. Motor Applications

5. Protection

6 Control


6. Control

7. Motor Condition Tests

1290 - MOV MotorsClause 4. Motor Applications

4.1 Thermal Considerations

4 2 Voltage Considerations


4.2 Voltage Considerations

4.3 Motor Torque

1290 - MOV MotorsClause 5. Protection

5.1 Thermal Overload Relay

5.2 Fuses

5 3 Thermal Contactors


5.3 Thermal Contactors

5.4 RTDs

5.5 MCCBs

5.6 Surge Protection

1290 - MOV Motors Clause 6. Control

• Electrical Protection• Mechanical Protection• Different Valve Control Circuits


• Indication• Alarms• Interlocks• Anti-Hammering Gear Train

1290 - MOV Motors Clause 7. Motor Condition Tests

7.1 Common Tests

7 2 Developing Tests


7.2 Developing Tests

1290 - MOV Motor Application, Protection, Control, and Testing

Informative Annexes

A. Examples of Motor Torque Calcs


B. Fuse Selection Examples

C. Control System Selection Example

IEEE Design Standards

• Electrical Protection


• Fiber Optics

IEEE Design StandardsElectrical Protection

• 741 - Protection of Class 1E Systems

• 833 - Protection from Water Hazards


833 Protection from Water Hazards

• 1375 - Protection of DC Systems

• 1458 - Molded Case Circuit Breakers

741 - Protection of Class 1E Systems

• Class 1E systems and components

• Protection from electrical and mechanical damage


• Failures that can occur before operator action

• Includes testing and surveillance requirements

741 - Protection of Class 1E Systems

5. Principal Design Criteria

6 Testing and Surveillance


6. Testing and Surveillance

741 - Protection of 1E SystemsClause 5. Principal Design Criteria

5.1 AC Power Distribution Systems

5.2 DC Power System

5.3 I&C Power System


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5.4 Containment Electrical Penetration Assemblies

5.5 Valve Actuator Motors

741 - Protection of 1E Systems

Clause 6. Testing and Surveillance

6.1 Device Testing

6 2 Preoperational Tests


6.2 Preoperational Tests

6.3 Surveillance


6.2. Preoperational Tests

a. Operation according to system designb. The protection will meet requirementsc. Failure or loss of one redundant system will

not prevent correct operation of the redundant system


redundant systemd. The failure of a non-Class 1E system will not

adversely affect Class 1E equipmente. The specified requirements for the operating

environment are not violated. These requirements may include cleanliness, temperature, humidity, and vibration.


6.3 Surveillance

a. Testing of each protection circuit from sensor through actuated equipment.

b. Testing overlap requirements should establish an acceptable basis for


establish an acceptable basis for combining individual or group test results.

c. Testing each electrical actuation circuit individually if the actuated equipment has more than one actuation device

741 - Protection of 1E SystemsInformative Annexes

A. Degraded Voltage Protection

B. Overload Protection for Valve Actuator Motors


Motors

C. Automatic Bus Transfer - Protection Concerns

D. High-Speed Magnetic Circuit Breakers for Special Applications

833 - Protection from Water Hazards

• Protection of electrical equipment from sources of water directed onto or around electrical equipment


or around electrical equipment.


4. Electric equipment protection

5. Design and construction features


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6. Electric equipment located in open areas subject to water hazards

7. Electric equipment enclosures


8. Electric equipment installation practices


9. Electric equipment protection

10. Maintenance, surveillance, and testing activities

1375 - Protection of DC Systems

• Protection of the stationary battery systems

• Includes the first protective device


• Includes the first protective device downstream of the battery terminals

• Different types of stationary battery system protection available


5. DC System Considerations

6 Batteries


6. Batteries

7. Characteristics of other DC System Components


8. Battery electrical protection schemes

9. Physical protection of batteries


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10.Indication and annunciation

1375 - Protection of DC SystemsClause 5. System Considerations

5.1 Use of a battery protective device

5.2 Overvoltage and undervoltage protection


protection

5.3 Grounding

5.4 Temperature compensation and current limiting

1375 - Protection of DC SystemsClause 6. Batteries

• 6.1 Lead-acid batteries

• 6.2 Nickel-cadmium batteries

6 3 B l h i i


• 6.3 Battery voltage characteristics during short-circuit conditions

• 6.4 Battery current characteristics during short-circuit conditions

1375 - Protection of DC SystemsClause 6 Batteries

• 6.5 Battery withstand capability during short-circuit conditions.

• 6.6 Environmental and operational


peffects on battery short-circuit current

• 6.7 Damage and failures of batteries

1375 - Protection of DC SystemsClause 7. Other DC Components

7.1 Battery charger short-circuit characteristics

7.2 Characteristics of fuses in dc circuits


circuits7.3 Characteristics of circuit breakers

in dc circuits7.4 Characteristics of fused circuit

breakers in dc circuits

1375 - Protection of DC SystemsClause 7. Other DC Components

7.5 Switches

7.6 Use of AC rated devices for battery protection


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7.7 Ratings considerations for devices used in dc systems

7.8 Main battery feeder cables

1375 - Protection of DC SystemsClause 8. Protection Schemes

Protection between the battery terminals and main DC panel

8.1 Fuses


8.2 Circuit breakers

8.3 A switch

8.4 Cable only

1375 - Protection of DC SystemsClause 8. Protection Schemes

8.5 Mid-span battery protection

8 6 Multiple voltage battery systems


8.6 Multiple voltage battery systems

8.7 Parallel battery string systems

1375 - Protection of DC SystemsClauses 9. and 10.

9. Physical protection of batteries


10. Indication and annunciation

1375 - Protection of DC Systems Informative Annexes

Annex A Bibliography

Annex B DC System Time


Constants

Annex C Sample Battery System Time Constant Determination

1458 - Molded Case Circuit Breakers

• Selection


• Application

• Determination of remaining life

1458 - Molded Case Circuit Breakers

3. MCCB basics

4. Safety considerations

5 Selection of MCCBs


5. Selection of MCCBs

6. Estimating available fault current

7. Calculate available fault current

8. Field testing

1458 – MCCB

Clause 3. Basics

3.1 Molded case circuit breaker basics

3.2 Circuit breakers in general

3 3 Circuit breaker standards


3.3 Circuit breaker standards

3.4 Contacts open and close

3.5 Means to open and close contacts

1458 – MCCBClause 3. Basics

3.6 Means to extinguish an arc 3.7 Means to respond to

overcurrents/commands


3.8 Method for enclosing circuit breaker components

3.9 Method for mounting circuit breaker3.10 Molded case circuit breaker

components

1458 – MCCBClause 3. Basics

3.11 Thermal conditions

3.12 Short-circuit conditions

3 13 Ground fault conditions


3.13 Ground fault conditions

3.14 Types of trip units

3.15 Circuit breaker selectivity

1458 – MCCBClause 4. Safety

OSHA and NFPA 70E, Electrical Safety in the Workplace (OOS)


Safety in the Workplace (OOS)

1458 – MCCBClause 5. Selection of MCCBs

5.1 Standard rated MCCBs5.2 100-percent rated MCCBs5.3 Voltage rating election


5.4 Current ratings5.5 Current rating selection5.6 Selection of MCCB current rating5.7 Interrupting rating

1458 – MCCBClause 6. Estimating Fault Current

6. Estimated available fault current at transformer secondary


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1458 – MCCBClause 7. Simplified Method

7.1 METHOD 1: Simple approximation


7.2 METHOD 2: Accounting for cable between transformer and molded case circuit breaker

1458 – MCCBClause 8. Testing for End of Life

• These tests are for determining end of life for the MCCB.


• For inspection and preventive maintenance refer to NEMA AB-4.

IEEE Design StandardsSystem Protection

• 665 – Generator Station Grounding

• 1050 - Grounding of I&C Equipment


1050 Grounding of I&C Equipment

• 1100 - Lightning Protection OOS

• C62.23 - Surge Protection

665 – Generator Station Grounding

• Grounding practices for personnel safety and equipment protection in generating stations


generating stations

• Provides for the design of generating station grounding systems and for grounding practices

665 – Generator Station GroundingClause 5. Design Considerations

5.1 Grounding principles

5.2 Ground grid design

5 3 Generator and isolated phase bus


5.3 Generator and isolated phase bus grounding

5.4 Grounding of buildings, fences, and structures

665 – Generator Station GroundingClause 5. Design Considerations

5.5 Grounding of generating station auxiliaries

5.6 Lightning protection for generating


station structures

5.7 Grounding of buried structures

5.8 Sizing of grounding conductors

1050 - Grounding of I&C Equipment

• Protection for personnel and equipment


• Electric noise immunity for signal ground references in generating stations

1050 - Grounding of I&C Equipment

4. Electrical noise minimization

5. I&C system grounding


6. Signal cable shield grounding

7. Testing

1050 - Grounding of I&CClause 4. Electrical Noise

4.1 Typical noise sources and their characteristics

4.2 Noise-coupling methods


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4.3 Techniques for electrical noise minimization

1050 - Grounding of I&CClause 5. I&C System Grounding

5.1 Grounding philosophy

5.2 Types of signal ground systems


5.3 Separation criteria for circuits

5.4 I&C system power considerations

1050 - Grounding of I&CClause 5. I&C System Grounding

5.5 Surge protection considerations

5.6 Other grounding considerations


5.7 Generating station EMI environment

1050 - Grounding of I&CClause 6. Signal Cable Shields

6.1 Cable shield requirements

6.2 Analysis of shield grounding practices


6.3 Other cable shielding considerations

6.4 Comparison of cable shielding effectiveness

1050 - Grounding of I&CClause 6. Signal Cable Shields

6.5 Distributed control and programmable logic controller circuits


6.6 Central distribution frame (CDF) grounding practice

1050 - Grounding of I&CClause 7. Testing

7.1 General

7.2 Sources of galvanic (conductive)


ground loops

7.3 Galvanic ground loop prevention and detection

1050 - Grounding of I&CClause 7. Testing

7.4 Testing for ground loops

7.5 Signal ground system integrity


7.6 Maintenance of the signal ground system

1100 - Lightning Protection OOS


C62.23 - Surge Protection

• Consolidates industry practices for surge protection


• Guidance provided for surge protection

C62.23 - Surge Protection

• Power lines

• Switchyard


• Power plant proper

• Remote buildings and structures

C62.23 - Surge ProtectionClause 4. Power Lines

4.1 Scope

4.2 Protection of transmission lines


4.3 Protection of distribution lines

C62.23 - Surge ProtectionClause 5. Switchyard

5.1 Scope

5.2 Equipment protection


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5.3 Controls/Communication

C62.23 - Surge ProtectionClause 6. Power Plant

6.1 Scope

6.2 Equipment protection


6.3 Controls/communication

C62.23 - Surge ProtectionClause 7. Remote Facilities

7.1 Scope

7.2 Indoor equipment


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7.3 Outdoor equipment

9. Design Standards for NPPsObjectives Review

• Identified the major design standards

• Provided a general overview of the purpose of these standards


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• Discussed how these standards relate to new reactor inspection by discussing the major clauses of these design standards

10 Qualification Standards


10. Qualification Standards Objectives

• Identify the major qualification standards

Provide a general overview of the




Qualification

• Class 1E equipment required to meet performance requirements throughout their service life

• Demonstrate no failure mechanism exists that


Demonstrate no failure mechanism exists that could lead to common-mode failures under postulated service conditions

• A qualification program includes design, qualification, production quality control, shipping, storage, installation, operation, maintenance, periodic testing, and surveillance.

IEEE Qualification StandardsMotherhood

• 323 - Environmental Qualification

• 344 - Seismic Qualification


• 627 – Qualification of Safety Systems Equipment OOS

323 - Environmental Qualification

• Class 1E equipment and interfaces

• The principles, methods, and procedures are used for qualifying equipment, maintaining and extending qualification, and updating qualification


• Demonstrate equipment can perform its safety function under service conditions including design basis events

• Reduces the risk of common-cause equipment failure.

323 - Environmental Qualification Clause

4. Principles of equipment qualification

5. Qualification methods


6. Qualification program

7. Documentation

323 - Environmental QualificationClause 4. Principles

4.1 Qualification objective

4.2 Qualified life and qualified condition


4.3 Qualification elements

4.4 Qualification documentation

323 - Environmental QualificationClause 5. Qualification Methods

5.1 Initial qualification

5 2 Extension of qualified life


5.2 Extension of qualified life

5.3 Condition monitoring

323 - Environmental QualificationClause 6. Qualification Program

6.1 Equipment specification

6.2 Qualification program plan


6.3 Qualification program implementation

6.4 Modifications

323 - Environmental QualificationClause 7. Documentation

7.1 Mild environment documentation

7 2 Harsh environment documentation


7.2 Harsh environment documentation

344 - Seismic Qualification

• Class 1E equipment performance during safe shutdown earthquake

• Establish tests, analyses, or experienced based evaluations as part of an overall qualification effort


• Two approaches to seismic analysis: dynamic analysis and static coefficient analysis

• Two approaches to experienced-based seismic evaluation: earthquake experience and test experience


4. General discussion of earthquake environment and equipment response

5 Seismic qualification approach


5. Seismic qualification approach

6. Damping

7. Analysis


8. Testing

9. Combined analysis and testing


10. Experience

11. Documentation

IEEE Qualification StandardsStructures

420 – Control Boards, Panels and Racks


420 – Control Boards

• Specifies design requirements

• Establishes methods to verify that the design requirements have been


design requirements have been satisfied

• Includes methods for meeting the qualification criteria

420 – Control Boards

4. Design considerations

5. Qualification testing and analysis


Q g y

420 – Control BoardsClause 4. Design Considerations

4.1 Human factors

4.2 Seismic


4.3 Independence

4.4 Control of combustibles

4.5 Environmental considerations

420 – Control BoardsClause 4. Design Considerations

4.6 Cable/wire selection

4.7 Wiring practices

4 8 El t ti i t f


4.8 Electromagnetic interference

4.9 Identification

4.10 Other design considerations

420 – Control BoardsClause 5. Testing and Analysis

5.1 Environmental

5.2 Seismic considerations


5.3 Modifications

IEEE Qualification StandardsPower Supply Components

• 387 - Diesel generators

• 535 - Batteries


• 650 - Battery chargers and inverters OOS


• The standard primarily describes the criteria for the application and testing of diesel-generator units as Class 1E standby power supplies


supplies.

• The standard also covers the principal design criteria, factory production testing, qualification requirements, and site testing.

387 - Diesel GeneratorsClause 6. Qualification

6.1 General6.2 Initial type tests6.3 Aging


6.4 Seismic qualification requirements6.5 Ongoing surveillance6.6 Modifications 6.7 Documentation

535 - Batteries

• Vented lead acid batteries

B k


• Battery racks

535 - Batteries

4. Qualification requirements

5. Principles and methods of qualification

6. Qualification information


7. Qualification by type testing

8. Type tests and analysis procedures

9. Documentation

535 - BatteriesClause 5. Methods of Qualification

5.1 Type testing

5.2 Operating experience

5.3 Analysis


5.4 Extension of qualified life

5.5 Combination of qualification methods

IEEE Qualification StandardsMotor Components

• 334 - Continuous duty motors

• 382 - Valve actuators


• 382 - Valve actuators

334 - Continuous Duty Motors

• Demonstrate the ability of the motor and/or insulation system to perform its safety function


its safety function

• Maintenance of motor qualification

334 - Continuous Duty Motors

4. Overview

5. Qualification methods


6. Qualification procedures

7. Simulated test profiles

334 - Continuous Duty MotorsClause 6. Qualification Procedures

6.1 Specification requirements

6.2 Qualification requirements in mild environments


6.3 Qualification requirements in harsh environments

6.4 Maintenance of qualification


6.5 Margin

6.6 Winding insulation endurance

6 7 Radiation endurance


6.7 Radiation endurance

6.8 Motor lead cable


6.9 Bearings

6.10 Lubricant

6 11 Seals and gaskets


6.11 Seals and gaskets

6.12 Accessories

6.13 Seismic

382 - Valve Actuators

• This standard establishes criteria for qualification of safety-related actuators, and actuator components in


order to demonstrate their ability to perform their intended safety functions under all required conditions.


• Part I Process

• Part II Qualification Cases


Part II Qualification Cases

• Part III Tests


5. Identification of the generic actuator group

6. Qualification testing of selected


gactuators in generic actuator group

7. Qualification of actuator for specific application

382 - Valve ActuatorsClause 5. Identify the GAG

5.1 Generic actuator group identification


5.2 Selection of actuator units for type testing


6. Qualification Testing of Actuators

6.1 Type test parameter values6.2 Type test plan6.3 Type test procedure


6.3 Type test procedure6.4 Inspection6.5 Acceptance criteria6.6 Generic actuator group design

modification

382 - Valve ActuatorsClause 7. Specific Applications

7.1 General

7.2 Valve actuator specification

7 3 Relationship to generic actuator


7.3 Relationship to generic actuator group

7.4 Relationship to specification

382 - Valve ActuatorsPart III - Tests

1. Baseline operability test2. Normal thermal aging test3. Normal pressurization cycle test4 Normal radiation aging test


4. Normal radiation aging test5. Vibration aging test6. Seismic simulation test7. DBE radiation exposure test8. DBE environment test

382 - Valve ActuatorsInformative Annexes

A. Method of selection of representative actuators for type testing

B. Representative normal and design


p gbasis event environment

C. Rationale for normal thermal agingD. Rational for vibration and seismic

test methodsE. Performance verification test

IEEE Qualification StandardsCable Components

• 317 - Containment Penetration Assemblies


• 383 - Cables

• 572 - Connection Assemblies

317 - Containment Penetration Assemblies

• An electric penetration assembly provides the passage of the electric conductors through the nuclear containment structure.

• The electric penetration assembly includes


The electric penetration assembly includes terminal (junction) boxes, terminal blocks, connectors and cable supports.

• Design, construction, qualification, test, and installation of electric penetration assemblies


• The standard includes:

– QC/QA requirements


– Requirements for purchaser’s specification


4. Service classification and ratings

5 Design requirements


5. Design requirements

6. Qualification

7. Production tests


8. Installation and field testing as part of installation


9. Quality control and quality assurance requirements

10. Requirements for purchaser’s specification

383 - Cables

• Class 1E electric cables, field splices, factory splices, and factory rework

• Power control and instrumentation


Power, control, and instrumentation services

• The requirements may be applied to the wire and cable within cabinets and other devices.

383 - Cables

4. Principle qualification criteria5. Principles of qualification6. Qualification by type testing methods7 Qualification for normal and mild


7. Qualification for normal and mild events

8. Flame test qualification9. Documentation10. Modifications

572 - Connection Assemblies

• Includes connectors, terminations, and environmental seals in combination with related cables or


wires as assemblies

• Qualification of cable with connectors to this standard does not replace qualification to IEEE Std 383-2003.


• Describes the basic requirements for qualifying Class 1E connection assemblies and interfaces


• Demonstrate the ability of the connection assembly to perform safety functions under applicable service conditions


5. Principles of connection assembly qualification

6 Qualification procedures and methods


6. Qualification procedures and methods

7. Modifications

8. Documentation

10. Qualification Standards Objectives Review

• Identified the major qualification standards

• Provided a general overview of the


o ded a ge e a o e e o t epurpose of these standards

• Discussed how these standards relate to new reactor inspection by discussing their major clauses

IEEE Qualification StandardsDistribution System Components

• 638 - Class 1E Transformers OOS

• 649 Motor Control Centers OOS


• 649 - Motor Control Centers OOS

Session 11


Handling, Shipping, and Storage

11. Handling, Shipping, and Storage Objectives

• Identify the major standards relating to handling, shipping, and storage

Provide a general overview of the




11. Handling, Shipping, and Storage

• 336 - Class 1E power, instrumentation, and control equipment

• 484 - Lead-acid batteries


• 576 - Installation, termination, and testing of insulated power cable

• 1210 - Determining compatibility of cable-pulling lubricants with wire and cable

336 - Class 1E Power, Instrumentation, and Control Equipment

• This guide provides considerations for the pre-installation, installation, inspection, and testing.


inspection, and testing.

• This guidance is applicable to initial construction, modification, and maintenance activities.

336 - Class 1E Power, Instrumentation, and Control Equipment

5. Pre-installation constructability review


review

6. Installation/construction

484 - Lead-Acid Batteries

• Storage, location, mounting, ventilation, instrumentation, pre-assembly, assembly, and charging of


y, y, g gvented lead-acid batteries

• Required safety practices are also included.

484 - Lead-Acid Batteries

4. Safety

5. Installation design criteria


g

6. Installation procedures

7. Records

576 - Installation, Termination, and Testing of Insulated Power Cable

• Installing, splicing, terminating, and field proof testing of cable systems in


field proof testing of cable systems in industrial and commercial applications

576 - Installation, Termination, and Testing of Insulated Power Cable

Handling– Minimum bend radius (Clause 7)

– Minimum handling and pulling


Minimum handling and pulling temperature (Clause 8)

Storage (Clause 8)

1210 - Compatibility of Cable-Pulling Lubricants with Cable

• Methods for determining the compatibility of cable-pulling lubricants with cable jacket


j

• Clause 3. Physical Properties

11. Handling, Shipping, and StorageObjectives Review

• Identified the major standards relating to handling, shipping, and storage

• Provided a general overview of the


• Provided a general overview of the purpose of these standards

• Discussed how these standards relate to new reactor inspection

Documents

ELECTRICAL AND I&C CODES AND INSPECTION · 2012. 12. 5. · 603 - Safety Systems 10 CFR 50.55a(h) requires that safety systems for plants with construction permits issued after May