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Automation & Information Systems 2012 www.schneider-energy.pl Protection Relays

Automation & Information Systems 2012 www.schneider-energy.pl Protection Relays Guide 2012 2 List of ANSI codes applied in the Guide [ Protection Relays Guide ] List of ANSI Codes Applied in the Guide ANSI Code Main Protection Function 50/51 Non-directional phase overcurrent 50N/51N Non-directional earth fault 67 Directional phase overcurrent 67N Directional earth fault 67YN Admitance earth fault 37 Phase undercurrent / Loss of load 49/51 Thermal overload 46 Negative phase sequence thermal_I2 / Unbalance load 46BC Broken conductor detection 50BF Circuit breaker failure 79 Multi-shot autoreclose 32N/67W Wattmetric earth fault 27 Phase undervoltage 59 Phase overvoltage 47 Negative sequence overvoltage _ U2 27D Positive sequence undervoltage _ U1 59N Residual overvoltage / Neutral displacement _ Uo 27TN // 59TN 100% stator earth fault ( 3 harm. )_neutral // terminal 87 Differential 32R // 32F Reverse power_R // Directional power _ F (3 ph measure) 32O Overpower 32L Low forward power 81O Overfrequency 81U Underfrequency 81R Rate of change of frequency _ df/dt / ROCOF / 81AB Turbine abnormal frequency VVS* Voltage vector shift _ dU > 40 Loss of field 24 Overfuxing_U/Hz 51V Voltage dependent overcurrent 21 Underimpedance / Impedance / Distance 64N // 87N Restricted earth fault (differential) 50DT Interturn (Split Phase) 64R Rotor earth fault 50 / 27 Unintentional energisation at standstill // Dead machine 78 / 68 Pole slipping_Power swings 26 / 38 Temperature detectors 48 Excess long start 51LR // 50S Locked rotor at start // Satalled rotor 66 Start number ABS* Anti Back Spin 55 Out of step 25 Check synchronising 74TCS Trip Circuit Supervision FL* Fault locator 50HS Switch On To Fault VTS/CTS Measure circuit supervision Function symbols in accordance with ANSI / IEEE Std C37.2 - 1996 Standards * - the symbol does not appear in the Standard 3 CONTENTS: System Products. .............................................................................................................................4 Overcurrent Protections...............................................................................................................6 MV Bay Protections. ........................................................................................................................13 Motor Protections. ...........................................................................................................................17 Generator Protections...................................................................................................................21 Line Distance Protections. ............................................................................................................25 Line Differential Protections. .......................................................................................................30 Differential Protections for Transformers, Generators and Motors..............................33 Voltage Protections........................................................................................................................35 Busbar Protections.........................................................................................................................37 MV Changeover Automation.......................................................................................................39 Accessories. .......................................................................................................................................40 Services. ..............................................................................................................................................42 MV Network Automation / Easergy Range of Products. ....................................................43 Network Analysers / Metering and Control Devices. ...........................................................45 SEPAM Range of Protections. ......................................................................................................47 Product Catalogue (DVD) / MiCOM S1 Studio Software. .................................................49 Product Tables. .................................................................................................................................50 Contact Details / Service Info-Line Make the most of your energy [ Protection Relays Guide ] Contents 4 MiCOM C264 C / MiCOM C264 P MODULAR SUBSTATION COMPUTER AND SYSTEM BAY MODULE, COMMUNICATION CONCENTRATOR, PROTOCOL CONVERTER Control and signalling circuits • Possibility to count impulses on inputs • Direct inputs for CTs and VTs • Transducer measurements 0 - 20 mA • Configurable schemes in accordance with IEC 61131-3 standard, switchgear interlocking • Integrated schemes of synchro-check and transformer voltage regulator • Record of up to 2000 events • Routing of: Modbus, IEC 60870-5-101, IEC 60870-5-103, IEC 60870-5-104, DNP 3.0, UCA-2, IEC 61850 protocols • Electrical and optical interfaces • Used as a stand-alone device or as a part of PACiS system • Co-operation with external SCADA systems (WindEX, SYNDIS, DYSTER, PRINCE etc.) • Capacity to perform basic protection functions • Analogue outputs Application • Bay unit with synchro-check • Transformer voltage regulator • Protocol concentrator (gateway) • Back-up protection • Modular substation computer - execution of control sequences, regulator schemes, interbay interlocks • Mini HMI - visualisation of a substation layout on a LCD display • Various combinations of the above Documents • Catalogue card PACiS Protection, Automation & Control integrated Solution CONTROL AND SUPERVISION SYSTEM FOR ELECTRICAL POWER SUBSTATIONS • Signalling and remote control • Execution of substation schemes • Measurement processing • Distributed Architecture • Flexible topology • IEC61850 100MBit/s STP6 system bus or optical fibre, Client-Server relation, GOOSE events, integration of equipment produced by various manufacturers • Conversion of data format between a digital device and SCADA • Possibility to test equipment operations by means of software simulators • Diverse interfaces of data transmissions • Control and supervision over all types of substations [ Protection Relays Guide ] System Products 5 Application • Interface between PACiS system bus and a dispatching centre Protection and Logic Control • Data acquisition, processing and transmission • Self-diagnosis and monitoring of data transfers • Communication in V.24 and 802.3 standards: Slave DNP3, Modbus RTU, IEC 60870-5-101, IEC 60870-5-104, GI74, OPC, Server/Client IEC61850 PACiS Gateway ACCESS GATEWAY Advanced Graphic Features • Graphic libraries in compliance with power engine- ering standards • Real-time charts (bar graphs, XY) • Adjustable level of details - zooming / cluttering, result scaling • Multilayer images and applications • Simulation tools • Possibility to create individual software scripts Other Functionalities • Data automatic processing (Access/Excel/SQL) • Calculation of measurements • Complexity of characteristics (real-time mode - X/Y - bar graphs / log-log plots / pie charts • SNMP configurator, integrated schedule SUI (System User Interface) HUMAN-MACHINE INTERFACE Application & Functions • Used in HV and SV substations and in other areas of commercial power industry as a local or remote OI • Possibility to create multiple Operator Interfaces in systems of distributed architecture • Cyber-security compatible with NERC CIP standard, certified by US-CERT (authorised login, antivirus system, management of access rights, 4 levels of password-based protections) • Compatible with many platforms, e.g.: XP/Server/ Seven/32bits • Designed from scratch using OPC architecture • Report processing • Configurable filtering of alarms and events • Configurable on-line graphic interface • Multilingual, with variety of licenses • Web Server interface Enhanced Efficiency • Object including more than 50,000 pieces of data • „Hot Redundancy” mode - takeover of supervision functions (without data loss) by a backup computer • Acquisition and archiving of 5,000 pieces of data per second in real-time • Acquisition and archiving of 1,000 measurements per second in real-time • Up to 12 data servers (redundant) • Up to 64 graphic interfaces on the data servers • 4 doubled communication ports • Time synchronisation • Possibility of parallel operations (redundancy) • Supervision of modes: remote/local, „maintenance” • Computer without rotating components, power supply within thresholds of safe voltage • Windows Embedded software [ Protection Relays Guide ] System Products 6 [ Protection Relays Guide ] Overcurrent Protections MiCOM P122 / MiCOM P123 OVERCURRENT PROTECTION RELAY (3-phase) Functions: 50/51, 50N/51N, 37, 49, 46, 46BC, 50BF, 79, 74TCS, 50HS Other Functions • 2 setting group • Circuit breaker control • CB status monitoring • Protection blocking logic • Output contact latching • Programmable binary inputs, outputs relays and LEDs: • P122 3 inputs / 6 outputs • P123 5 inputs / 8 outputs • Communication in RS485/RS232 standard • Transmission protocols: Courier, Modbus, IEC60870-5-103 and DNP 3.0 • Recording of: • Events - 250 • Faults - 25 (1600 Hz, 3s window) • Triggers - 25 • Trips - 5 (display) Application • Phase and earth fault overcurrent protections applicable in HV and MV substations and to protect MV and LV transformers Protections • 3-phase overcurrent, phase-to-phase, 3-stage, DT or IDMT • Earth fault, 3-stage, DT or IDMT • Thermal overload with 1 thermal time constant • Undercurrent, single stage • Negative phase sequence overcurrent, IDMT and DT Measurements • Phase currents • Earth current • Thermal state Documents • Catalogue card • User manual Application • Phase and earth fault overcurrent protections applicable in HV and MV substations and to protect MV and LV transformers Protections • P120: • Single-phase or earth fault overcurrent, 3-stage DT or IDMT, co-operation with core balanced CT or in Holmgreen arrangement • P121: • 3-phase overcurrent, phase-to-phase, 3-stage, DT or IDMT • Earth fault, 3-stage DT or IDMT, co-operation with core balanced CT or in Holmgreen arrangement Documents • Catalogue card • User manual MiCOM P120 / MiCOM P121 OVERCURRENT PROTECTION RELAY Functions: 50/51, 50N/51N Measurements • Phase currents • Earth current Other Functions • 2 setting group • Circuit breaker control • CB status monitoring • Protection blocking logic • Output contact latching • Programmable binary inputs, outputs relays and LEDs, 2 inputs / 4 outputs • Communication in RS485/RS232 standard • Transmission protocols: Courier, Modbus, IEC60870-5-103 and DNP 3.0 • Recording of: • Events - 250 • Faults - 25 (1600 Hz, 3s window) • Triggers - 25 • Trips - 5 (display) 7 [ Protection Relays Guide ] Overcurrent Protections • Circuit breaker failure detection • Blocking logic for reverse interlocking • Circuit breaker status monitoring • Trip circuit supervision • Switch on to fault • Cold load pick-up • Output contacts testing mode Measurements & Recording • IA, IB, IC, IN, Is1, Is2, Is2/Is1, f, Θ • Rolling and peak phase current values • Recording of events, disturbances and fault parameters Application • Utilities • Industrial electrical networks • HV and MV substations • MV and LV transformers Protection and Logic Control • 3 independent non-directional phase and earth overcurrent thresholds • DT and IDMT curves • Thermal overload • Unbalance / Loss of phase • Loss of load • Output contacts latching • Broken conductor detection MiCOM P122C COMPACT OVERCURRENT PROTECTION RELAY Functions: 50/51, 50N/51N, 37, 49, 46, uploads/Management/ protection-relay-guide.pdf