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A3 –
А3
Smart Grid Solutions
А3
Experience. We are active on the energy market since 1991
Innovations and advanced technologies
High quality standards
Sustainable growth
About Company
We independently carry out the development, design, manufacture, installation and commissioning of power- generating
equipment and its technical and service maintenance
Our devices are installed in 26 countries all over the world
International market
A3 participated in international exhibitions:
International activities 2018
А3Our competence
Smart Grid
Smart City
Energy Management -Automation and Controls
Our production has pursued the aim of making electric power distribution safer, more reliable and more efficient
А3
Fault indicators for Overhead Lines
Short-Circuit and Earth Fault Indicators
Cable fault locator
Communication units
Control and monitoring devices for substationequipment
Specialized
А3
There are two parts of intelligent management system: OHL and substation equipment:
The monitoring and management complex for overhead line networks based on Lodestar
The system of equipping substations with telecontrolsystems and feeder monitoring devices withemergency processes localization functionality
Intelligent ManagementSystem
Our clients
Fault circuit indicators for overhead lines
А3Resolves main problems of power distribution network
6-35 kV networks specialties
Low level ofnetworks
automation
Low networks observability
Poor controllability
Insufficient equipment with ASCAPC*
Last implementations
Improvementsof SAIDI andSAIFI reliability indexes
Prompt localization of a fault location
Energyundersupplyreduction,on-line management
Control of unauthorized electricityoutfeed
ASCAPC – automatic system for commercial accounting of power consumption
А3
High-precision sensitive devices with power flow direction detection and event
identification
The usage of high-frequency sampling and fault currents and voltages values processing
makes possible to determine transient self-clearing faults
Unique algorithms of current and voltage values
analysis provide high sensitivity to an emergency
process, enabling to fix fault currents from 0.5 A
Lodestar – innovativemonitoring tools
А3Principle of Lodestars operation
Principle of Lodestars operation is based on sensing the fault current flowing in
the monitored line. The device is triggered upon the detection of a faulty
current, above the current/time threshold
A current surge between the feeding substation and
the fault location followed by the line switch-off
takes place upon the manifestation of a fault
The path of the fault current from the feeding
point to the fault location is shown by flashing
LEDs and turned swivel. The fault is located
between the last flashing and the first
inactive indicators
А3
Lodestar can be used in:Distribution networks with anoperating voltage of <70 kVSolutions for high voltage classes 115kVRadial linesMultiple circuit linesSWERGrids with any types of neutralgrounding
Lodestar and IKZapplication area
Battery status controlManual reset and test with a magnetLive line installation is possible using a hot stick tool.
Lodestar is designed to be installed on eitherbared or covered conductors up to 40mm external diameters (equivalent to 240mm2with insulation thickness of 7mm ).
IKZ-V2 is designed to be installed on any types of poles (concrete, wooden, etc).
А3Lodestar systems in the World
Smart Grid (Ufa) - substation automation system
Bashkirenergo - automation system for 7 PDZs
Romande (Switzerland) -monitoring system for PDZ
Tenago Nasional Berhad (Malaysia) -monitoring system for PDZ
Grid company (Tatarstan) - automation system for PDZ*
PDZ – power distribution zone
А3Optimal solution for anysituation- OHL FI Models
OHL Fault Indicators
Pole-mountable Conductor mounted
Medium voltage class
Radio moduleGSM/GPRS
module
IKZ-V21R IKZ-V21M
IKZ-V23R IKZ-V23M
Medium voltage class High voltage class
CL2HV
CL2HV
No communicationRadio, GSM/GPRS*
communication
CL25 CL25B
CL2B
CL0.5B
CL2
CL0.5
* via communication module
BLE, GSM/GPRS* communication
А3OHL FI IKZ-V2
IKZ-V2 is a pole-mountable fault indicator. It is intended for use in distribution networks1-36kV
IKZ-V2 detects a short circuit at the moment of fault currentflowing in one or several phases with a subsequent voltageswitching off
When a fault is detected IKZ-V2 turnselectromagnetic flag yellow side andtransmits data to dispatching point
Have embedded memory for event logging
Determines permanent and transient faults
Save in log the following information: faultcurrent and fault voltages values, short circuittime, fault type
Can be used only in single circuit lines
А3
Device Type IKZ-V21R IKZ-21M IKZ-V23R IKZ-23M
Configuration and Management
Operating voltage < 70kV
Min fault sensing FtG 10А
Current threshold 10-200А 10-1000А
Breaker waiting time (∆t) 0.1 – 300s
Indication Flag
Fault detection:PtPPtG
YesYes
Fault type differentiation No Yes
Configuration RemoteRemote, Komorsan
RemoteRemote, Komorsan
Communication via Radio moduleGSM/GPRS module
Radio moduleGSM/GPRS module
Adjustable reset time up to 7 days
Others
Battery life 7 years
Neutral grounding type All
Technical characteristics FI IKZ-V2 range
А3Lodestar CL25 is a conductor mounted fault indicator, which is
used in medium voltage power distribution networks
CL25 dynamically changes the sensitivity based on a load current. It can detect faultswith as little as 25 A phase current when loads are light and automatically increase itstrip threshold to remain secure for up to 700 A loads
Differential Threshold (Automatic adjustable fault current Pickup) and Absolute Threshold
Detects Temporary and Permanent Faults
Indication patterns for each type of a fault. A fault is indicated by LEDs flashing,which provides 360 degrees visibility.
Configuration is done via dipswitches
Best solution for SWER- all units in a kit operate independently
Battery status alarm
Lodestar CL25
А3LODESTAR CL25B
Lodestar CL25B is equipped with radio module forcommunication with a Remote control
Radio communication is done using Bluetooth Low Energy standart. For data securitydata encryption algorithm is intended.
Due to data transmission function Lodestar CL25B can be connected toa communication unit. As a Remote control any portable device supportingBLE protocol can be used (smartphone, tablet).
Detect a short circuit and earth faults occurring in power distribution networks
Permanent and transient faults are identified separately. Each type of a fault has itsown indication pattern for alarm
Lodestar CL25B saves in memory 25 last events. Event list can be performed on aRemote control display. Each event has detailed information: fault timestamp, min and
max fault currents values, fault type, faulty phase.
А3Technical characteristics Lodestar CL25B
Model Lodestar CL25BOperating voltage <70kVFrequency 45Gz-65GzMin fault sensing 25АAbsolute current threshold 100А - 1000А, step 1АDifferential current threshold 50%, 100%, 200% 25А, 100А, 200А, 500АResponse time/ Inrush resistance 20ms/100msBreaker waiting time (∆t) 200sIndication LEDs
Fault type detection: PtPPtG
YesYes
Fault phase indication YesCurrent withstand 25kА/500msCommunication ComBox (optional)Radio Bluetooth Low Energy 4.2 (2.4 GHz)Remote (optional) YesMemory 25 eventsReset Time, Magnet, Line restoration, ComAdjustable reset time 1 - 200 hours, step 1hBattery life 15-20 yearsTemperature -40C0 to + 85С0
А3Lodestar CL2
Lodestar CL2 is equipped with radio module for communication witha Remote control. Radio communication is done using Bluetooth Low
Energy standart. For data security data encryption algorithm is intended.
Due to data transmission function Lodestar CL2B can be connected to communicationunit. Connection of 18 Lodestar CL2B units (6*3) to one ComBox is possible.
Lodestar CL2 saves in memory 50 last events. Event list can be performed on a Remotecontrol display. Each event has detailed information: fault timestamp, min and max faultcurrents values, fault type, faulty phase.
All settings are done via Remote control or the Komorsan Web-client software (in case ofconnection via ComBox).As a Remote control any portable device supporting BLE protocol can be used(smartphone, tablet).
For fault detection Lodestar CL2 measures current and voltage values of three phasessynchronously. PtG faults registration by Io and Uo at the network frequency. Permanentand transient faults are identified separately.
Possible to implementOperation on Double-side supply linesDetection of line switching off (by voltage)Vibration sensor for analysis of theft, trees fall
А3Technical characteristics Lodestar CL2
Model Lodestar CL2B
Operating voltage <70kV
Frequency 50Gz – 60Gz
Min fault sensing PtG 4А, but min 4% of Iload
Absolute current threshold 20 – 1000А
Breaker waiting time (∆t) 0,5 – 200s
Inrush resistance 0-200s
Indication LEDs
Fault type detection: PtPPtG
YesYes
Communication ComBox (optional)
Fault phase indication Yes
Current withstand 25kА/500ms
Radio Bluetooth Low Energy 4.2 (2.4 GHz)
Remote (optional) Yes
Memory 50 events
Reset Time, Magnet, Line restoration, Com
Adjustable reset time 1 - 200 hours, step 1h
Battery life 15 – 20 years
Temperature -40C0 to + 85С0
А3Lodestar CL0.5
The principle of the device operation is the same as Lodestar CL0.5The main differences between devices are:
Lodestar CL0.5 radio communication is done using Bluetooth Low Energy standard
Embedded memory for 50 last events (timestamp, min max fault current values, faulttype, faulty phase)
Configuration via Remote control (any portable device: smartphone, tablet) and TheKomorsan Web-client software
Connection to communication unit is possible for 6 sets of Lodestar CL0.5B
Adjustable reset time range: 1-200 hours, 1h step
PtG faults registration by Io and Uo at the network frequency
Possible to implement:Operation on Double-side supply linesDetection of line switching off (by voltage)Vibration sensor for analysis of theft, trees fall
А3
Model Lodestar CL0.5BOperating voltage <70kVFrequency 50GzMin fault sensing PtG 0.5А, but min 4% of Iload
Absolute current threshold 20 – 1000АBreaker waiting time (∆t) 0,5 – 200sInrush resistance 0-200sIndication LEDsFault type detection: PtP
PtGYesYes
Fault direction detection YesFault phase indication YesCurrent withstand 25kА/500msCommunication ComBox (optional)Radio Bluetooth Low Energy 4.2 (2.4 GHz)Remote (optional) YesMemory 50 eventsReset Time, Magnet, Line restoration, ComAdjustable reset time 1 - 200 hours, step 1hBattery life 7 yearsTemperature -40C0 to + 85С0
Technical characteristics Lodestar CL0.5
Fault circuit indicators for underground cable lines
Main problems of short circuits in distribution cable lines
Aging
Insulation breakdown
Mechanical failure
Dynamic and thermal overload
Cable fault locators
Network distribution system conditions control
Transient processes detection
All types of fault determination
Operation in networks with all types of neutral grounding
Adjustable trigger parameters
No false triggering
Event logging
Fault detection is done at the moment of fault current orzero sequence current flowing in the line
А3Short-Circuit and EarthFault Indicator IKZ-K4
Fault direction detectionTransmits fault data to a SCADA systemsOperates in compensated networks and networks with isolated and resistive groundingDetects all types of faults: PtP, PtGStandby power supplyEquipped with LEDs and blinkers array for visual indicationEvent logging in embedded memorySensors with optic fiber cable can be installed on bus bars without risk of breakdown to chassisConfigurable relay outputs
Installation in a switchgear for underground or overhead networks with an operating voltage of 6-35kV
А3Technical characteristics IKZ-K4
Model IKZ-K4
Operating voltage 6kV– 35kV
Fault type detection:PtPPtG
YesYes
Fault type differentiation Yes
Breaker waiting time (∆t) 0,1 – 30s
Trigger conditions:Absolute thresholdDifferential threshold
YesYes
Response time 0,02s
Current threshold range 10-1000A
Voltage threshold range 1-35kV
PtG current threshold range 0,4 – 200A
Power supply:Auxiliary service supplyDC power supply
~220V=24V
Easy installation
Relay’s compartment shield
All types of switchgears
Connection to CT/VT
Connection to original sensors
А3
Visualize signaling: at the moment of fault detection indicators tern it’s swivel from black to yellow sideIndustrial protocols IEC 104, MODBUSInterface RS-485Relay outputsA-Signal
feeder monitor
Fault signaling
А3A-Signal Feeder Monitor
Universal solution for overhead lines and underground cable networks monitoring
Energy system automation;
Storage of the fault process parameters independently of external power supply presence;
Intelligent network monitoring;
Guaranteed improvements of SAIDI and SAIFI reliability indexes;
Observability of faulty sections in networks with various topology;
Phase to Ground fault registering algorithm with sensitivity from 0.5A;
Localization of all types of faults in overhead lines and underground cable networks;
Fault waveform recording with 256 points percycle
А3
Network parameters monitoringamperagewattagevoltageindustrial frequencyflow directionminimum and maximum flow values
Indication of various types of faults
phase to phase short circuitsphase to ground short circuitscross country faultsfault direction indicationintermittent arcing ground short circuitidentificationfaulty phase detection
Event loggingnonvolatile memorylarge size of internal memory (up to200 events) Timestampfault type designationfault currents and fault voltages valuesstoragefault process waveform recording
A-Signal feeder monitor
A-Signal Feeder Monitor
А3Technical characteristics A-Signal
Model Lodestar CL0.5
Operating voltage <70kV
Frequency 50Gz
Min fault sensing PtG 0.5А, but min 4% of Iload
Absolute current threshold 20 – 1000А
Breaker waiting time (∆t) 0,5 – 200s
Inrush resistance 0-200s
Indication LEDsFault type detection: PtP
PtGYesYes
Fault direction detection Yes
Communication ComBox (optional)
Fault phase indication Yes
Current withstand 25kА/500ms
Radio 433,92 Gz
Remote (optional) Yes
Reset Time, Magnet, Line restoration, Com
Adjustable reset time 1h to 7 days (1h to 99hours via Remote)
Battery life 7 years
Temperature -40C0 to + 85С0
А3Easy installation
A-signal can be connected to:
all types of CT/VT
standard CT/VT embedded in switchgears
capacitive dividers
Rogowski coils
А3
A-Signal feeder monitor
Data transmission. Communication units
А3Versatile communicationsOverhead Fault Indicators
Our developments provide various types of communications:
Data transmission from FIs to the system of power distribution network diagnosticsKomorsan
Data transmission from FIs to a SCADA system via data collecting and processing server Komorsan
Direct data transmission from FIs to SCADA system
Direct data transmission from FIs to various telecontrol and information systems
For data transmission security data encryption algorithms are intendedIKZ
А3Lodestar LightBox
LightBox is designed to derive data from Lodestar CL25B, Lodestars CL2B and Lodestar CL0.5B and to transmit data to the KOMORSAN system or a SCADA system
А3Lodestar LightBox
Equipped with radio module for communicationwith Lodestar units using Bluetooth Low Energystandart. The standard configuration of datatransmission is done by means of a built-in GSMmodem through the cellular network
Configuration of LightBox B can be done via the Komorsan system or remote control (smartphone, tablet )
Powered by built-in battery pack and does not require any external power. Battery lifetime - 20 years.
LightBox B can simultaneously communicate up to 6 Lodestar CL25B/Lodestar CL2B/Lodestar CL0.5B sets
Saves in memory 50 last events: fault time, min and max fault current and voltages values, fault type
LightBox B is equipped with blinkers array for indication
А3Technical characteristics Lodestar LightBox
Model LightBox BLE
Installation Pole
Communication Radio channel, GPRS
Radio frequency 2.4 GHz
Connection to FI 6 set (18 products)
SCADA integration Via Komorsan, direct via IEC 60870-5-104
Communication protocol BLE standard, IEC 60870-5-104
Configuration Komorsan, Remote
Reset Komorsan, Magnet, disconnection, Remote
Self diagnostic Yes
Indication Flag
Power supply Battery
Battery life 20 years
Memory 50 events
Temperature -40C0 to +85C0
А3Lodestar SmartBox
SmartBox B is designed to transmit data from faultindicators directly to SCADA system. Provides thereal-time analysis of the information derived fromall fault indicators.
А3Lodestar SmartBox
The standard use case data transmission is done through the cellular operator'snetwork, however if necessary Ethernet interface can be used
Equipped with an external GSM antenna with high sensitivityto provide a stable connection with the cellular operator
Data communication can be done withIEC 60870-5-104 and MODBUS protocols
To improve the cybersecurity level SmartBoxsupports a wide range of encrypted networkprotocols such as Ipsec, OpenVPN and others
SmartBox B is powered by a 220 VAC source,for example, an AUX transformer. SmartBox Bis equipped with an integrated rechagablebattery capable of supplying the unit with atleast 10 hours of smooth service.
А3Technical characteristics Lodestar SmartBox
Model SmartBox B
Installation Pole
Communication Radio channel, GPRS/3G, Ethernet
Radio frequency 2.4GHz
Connection to FI 6 set (18 products)
SCADA integration direct via IEC 60870-5-104
Communication protocol ModBus, IEC 60870-5-104
Configuration WEB-interface configuration software
Self diagnostic Yes
Indication No
Power supply External
Battery life No less than 10 hours
Memory 50 events
Temperature -40C0 to +85C0
А3RelayBox is a pole or wall mountable communication module.
RelayBox is equipped with radio channel, digital inputs and relay outputs
Does not require configuration or additional settings
Provides the real-time analysis of the information derived from all fault indicators
In case of fault detection RelayBox sets a correspondingsignal on the outputs. Relaybox signals received fromthe relay outputs can be used by the customer fortheir needs, for example, they can be redirectedto the data processing centers using discrete
signals and integrated or used in varioustelecontrol and information systems
RelayBox is powered by external powersupply. In case of power failure, the contactsare closed and the power status signal is sentto the relay output
Saves in memory last 50 events.
Lodestar RelayBox
А3Technical characteristics Lodestar RelayBox
Model RelayBox
Installation Pole (Wall optional)
Communication Radio channel, Relay outputs
Radio frequency 433.92MHz
Connection Internal terminals
Telecontrol systems integration Yes
Indication No
Power supply External (12V – 24V DC, 100mA max)
Memory 50 events
Temperature -40C0 to +85C0
А3Intelligent disconnector RIC
RIM-3 disconnectors implementation - is an easy methodfor fault location detection, power system reliability indices improvement and reduction of number of power-disconnected consumers.
Observability of each networks section due to applying fault
indicators with functionality of fault location direction detection. Data integration in user’s SCADA systems Fault data transfer to centralized system andprompt faulted section disconnection
А3Robust communication is basic of the monitoring
Distribution grid monitoring system is a highly complex in terms of communication
Monitoring nodes shouldbe placed in points ofinterest, not in points ofavailable communication
Mesh networking inconjunction with moretraditional communicationsolve this problem
А3Communication module MeshBox
MeshBox is designed for independent data transmission via building mesh networks. MeshBox is equipped with modem of self-organizing radio relay communication.
This solution allows to build a data transmission system independentlyfrom existing infrastructure of cellular operators
The information derived from fault indicators is transmitted along thechain from one MeshBox to the other until it reaches the central node ofthe network. The central node converts data and transfers it via standardprotocol to a data collecting system
The technology of dynamic routing ensures the reliability of datatransmission even in case of a part of the intermediate nodes failure
Wide range of radio frequencies with ability of channel switching –important feature in the era of Industrial Internet of Things
А3Distribution network monitoring systemm
A3 provides an intelligent approach for overhead and undergroundnetworks monitoring as a user-friendly, WEB-based plug and play solution
An integrated system of power distributionnetwork diagnostics - "KOMORSAN" isdesigned for immediate short circuitidentification and fault data transmission todispatching point and targeted customers.
When fault occurs the System soundsaudible alarm, displays the place of a faulton a map and notifies maintenance crew viaSMS and E-mail reducing time for faultlocalization.
Configuration and control of diagnosticdevices are done remotely.
А3KOMORSAN Systemarchitecture
The Komorsan system consists of:
Data collecting and processing server;
DataBase;
Komorsan Web-client software;
А3
The measuring part of the System includes short-circuit indicators for OHL andunderground networks, Icing sensors, feeder monitoring devices that providemeasurements of electrical network main parameters and processesoccurring in it.
Communication units perform communicationbetween the measuring and control parts of theSystem.
Data processing server collects data fromSensors via industrial protocols ModBusand IEC 60870–5-104.
Data exchange with external systems/SCADA integration is performed viaIEC 60870–5-104.
KOMORSANSystem
А3KOMORSAN System overview
The KOMORSAN Web-client software provides:
Secure data access. Log-in the System is available using account.Complete control of user roles and permission levels. The System administrator can createand manage users roles, permission levels and available features.No limits for quantity of simultaneously logged users.Event mapping on any type of network topology.Mimic diagrams displays on terrain map with devicesinstalled.Analysis and Diagnostics. Wide set of analyticaltools. Data can be combined and processedregarding to a device, event or an object. Youchoose which parameters to view and the orderin which you view them. All data are presentedin graphical or tabular formats.Data export. All necessary information can beexported in PDF, HTML or CSV formats.Waveform recording. Recorded waveforms canbe viewed and exported in comtrade format.System life cycle support. Release updates +technical support
А3
KOMORSAN - SLAVE
Integration to any SCADA system via industrial protocol IEC 104
Data deriving from various devices includingexisting on the utility
KOMORSAN - MASTER
А3
А3KOMORSAN technical characteristics
System requirementsSupported platforms LinuxDatabase PostgreSQLProcessor Xeon 4C E3-1241v3 (or any similar)x1Processor type 3.5GHz/1600MHz/8MbRAM 8Gb DDR3HDD SAS/SATA, 7.2K 6Gbps NL, 2x 500Gb Dual Ethernet Yes
ManagementUser access management YesFault notification Alarm, SMS, E-mailContinuous storage of all information RetrospectiveFI threshold and settings Remotely adjustableData export Yes
CommunicationsData exchange with external systems IEC 60870-5-104 protocol
Devices
OHL FI Lodestar CL25B/CL2B/CL0.5B, Lodestar CL2/CL0.5, IKZ-V2
Cable FI IKZ-KFeeder monitor A-SignalIcing sensors DOComBox LightBox, LightBox BLE, SmartBox
А3
OLTC monitoring and managment
А3Control and monitoring devices for substation equipment
We offer devices for monitoring and control of transformers switching equipment.
Our equipment makes possible to automate the controlof a transformer’s drive tasks execution.
Built-in control mechanisms reduce the probabilityof equipment failure due to human factors.
Due to the malfunctions detection at the initialstage, secondary damage of equipmentcomponents and allied equipment failure areeliminated.
Data transfer to top-level systems allowsto increase the coordination and efficiency ofemployees and units.
А3
Wide Range of Products family - one can choose a device that exactly fit your systemor use the same universal modes for different situations
Wide range of input types - Synchro transmitter,Current loop output, Resistive sensor, BCD encoder,RS-485
Wide range of data outputs - RS-232, RS-485,Analog current loop, Relay outputs, Blockoutput signal
Highly configurable - versatility andavailability of different kinds of outputsallow integrating the device with any PCS
Universal Monitor UP25 has all availableinputs and outputs integrated in one device
OLTC monitoring family UP
А3
Combination of controller andmonitoring functions results into:
Multiple enhancement of electricaldrive reliability of an operationcontrol;
Additional adjustment settings andemergency diagnosis settings;
Space saving on a controlswitchboard.
OLTC controller UP-100, UP-200
А3
Digital data transmission via RS 485/232;
Possibility of resistance compensation ofconnecting wires;
Operates with all type of drives;
Maximum compactobility - space saving;
OLTC Position Regulators operationcontrol reliability enhancement as a resultof regulator and indicator functionalitycombination;
Simultaneous monitoring of two busbarsand rapid control switching from onebusbar section to another.
OLTC controller UP-200
А3Transformer tapsensors DP
Transformer tap sensors DP can be installed in the transformer changer drive
These sensors are available in two types of enclosures:
with the dimensions similar to those of synchrotransmitter BD404/ BD1404
45x88x62 mm - which is the optimum solution forreplacement of resistive sensors based on circularselectors (for example, MZ-2, MZ-2)
The sensors represent both purely resistivesensors and multifunctional sensors with analog(0-5 mA, 0-20 mA, 4-20 mA, 0-5 V, 0-24 V) anddigital outputs (RS-232, RS-485)
as well as the other drives thatcan be completed with synchro transmitters(BD404 or BD1404) or other sensors with thedimensions of BD404/ BD1404 type sensors
А3
DP-4 may be connected to the MZ-2, MZ-3, MZ-4 type drives
Sensor DP-4 is an electronic sensor of drive turn angle withthe signal conversion circuit; it can be used instead ofresistive sensor
Drive position sensor DP-5 is designed to determineactual transformer tap on load
This sensor can be connected to SMA-7, SMA-9,SHM, EM-1, MR, ED drives with the number ofcontacts corresponding to the number of drivepositions
The sensor converts OLTC step number intoBCDcode. Sensor DP-5 has a BCD-output todeliver transformer tap data to UP 25 OLTCPosition Monitors (to display the OLTC stepnumber on the control switchboard)or to TM and PCS.
Transformer tapsensors DP-4
R&D Abilities
We are continually developing product range We are flexible for adapting products to specific market or customer needs Grow your business together with A3!
А3
