Description
CT secondary rated: 1 A / 5 A configurable
VT secondary rated: 100 V
System frequency: 50 Hz / 60 Hz
Auxiliary supply: 24‑250 V DC / 85‑265 V AC universal wide‑range power
Total power consumption: ≤30 W
Analog input channels: maximum 24 configurable channels
Binary input / output: expandable via plug‑in modules
Local HMI: Graphic LCD display, LED status indicators and operation push‑buttons
Communication interfaces: Dual 10/100 Mbps Ethernet ports, RS485 serial port; supports PRP/HSR network redundancy, IRIG‑B time synchronization
Fault recording: COMTRADE disturbance waveform storage, large‑capacity time‑stamped sequential‑of‑event log
Mounting mode: 19‑inch standard rack‑mount, withdrawable plug‑in unit
Operating temperature: −25 ℃ ~ +55 ℃
Storage temperature: −40 ℃ ~ +85 ℃
Humidity: 5‑95 %RH non‑condensing
EMC compliance: IEC 60255‑22‑1 /‑22‑2 /‑22‑3
Certifications: CE, UL, IEC 60255, IEC 61850 approval
Generator differential protection, restricted earth‑fault protection, 100 % stator earth‑fault protection, sensitive rotor earth‑fault protection, loss‑of‑excitation protection, out‑of‑step / pole‑slip protection, reverse‑power protection, over‑excitation protection.
Directional / non‑directional phase overcurrent & earth‑fault protection, negative‑sequence overcurrent protection, thermal overload protection, over‑voltage / under‑voltage protection, over‑frequency / under‑frequency protection.
Breaker failure protection, configurable auto‑reclosing and programmable logic functions.
Realize local & remote circuit‑breaker control and bay‑level interlock logic, trip‑circuit supervision.
High‑accuracy measurement for current, voltage, active/reactive power, energy and frequency.
Multiple setting‑group management, sequential‑of‑event logging and COMTRADE disturbance waveform recording.
Continuous hardware self‑diagnosis detects internal module faults and uploads alarm status to local HMI and station control system.
Configuration and commissioning are completed by PCM600 engineering toolManualsLib。
Installed in 19‑inch standard rack inside power‑plant protection cabinet. Strictly comply with CT/VT polarity for secondary wiring, prohibit CT secondary open‑circuit risk. Auxiliary power supply shall be kept within rated voltage range. After unit or module replacement, download complete project configuration file. Perform protection logic verification test, breaker trip‑close loop test, binary input/output point‑to‑point signal test and station‑control communication validation. Confirm no hardware self‑diagnosis fault alarms.
Main and backup protection for large‑medium‑size generators, generator‑transformer blocks and shunt reactors in thermal power plants, hydropower plants, pumped‑storage power stations and nuclear power plants.
- Relion 670 series high‑end dedicated generator‑transformer protection & control IED, withdrawable plug‑in mechanical structure for convenient on‑site module replacement and maintenance.
- Complete generator‑oriented protection function library, covers stator, rotor and various abnormal operating‑condition protection requirements.
- Excellent anti‑CT‑saturation performance for differential protection algorithm.
- Native IEC 61850 Ed.2, GOOSE, PRP/HSR network redundancy and process‑bus support, adapt to digital‑substation requirements.
- Integrated high‑accuracy measurement, time‑stamped event log and COMTRADE disturbance recording functions.
- Multiple communication protocol options, compatible with traditional and new‑generation substation automation systems.
- Industrial spare‑part for maintenance and retrofitting of ABB Relion 670‑series generator‑protection devices.
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