SR489-P1-LO-A20-E GE Generator Management Relay
Description
SR489-P1-LO-A20-E GE Generator Management Relay is a comprehensive generator protection, monitoring, and measurement relay designed for synchronous and induction generators from GE. It offers multi-layered protection, precise data tracking, and flexible communication capabilities to support reliable generator operation.
| Specification | Value |
|---|---|
| Brand | GE |
| Rated Voltage | 220V |
| Rated Current | 5A |
| Supported Generator Frequencies | 25Hz, 50Hz, 60Hz |
| Input Sampling Rate | 12 samples per cycle |
| RTD Inputs | 12 |
| Analog Inputs | 4 |
| Analog Outputs | 4 |
Key Features:
- Comprehensive protection functions including differential protection, 100% stator ground protection, directional overcurrent protection, negative sequence overcurrent protection, over/under voltage protection, over/under frequency protection, reverse power protection, and synchronous generator-specific protection such as overexcitation and loss of field protection
- Precise monitoring and measurement of RMS current, negative sequence current, voltage, 3-phase power, temperature via RTDs, and analog inputs; stores up to 40 recent event records and trip-related waveforms
- User-friendly interface with 40-character front panel LCD, control keys, numeric keypad, status LEDs, front-panel RS232 interface (9600 bps), rear dual RS485 interfaces (300 to 19200 bps) supporting Modbus RTU and DNP 3.0 protocols, and Windows-based PC software for configuration and monitoring
- Draw-out design for simplified testing and maintenance
Applications:
- Protection, monitoring, and control of synchronous generators operating at 25Hz, 50Hz, or 60Hz
- Protection, monitoring, and control of induction generators operating at 25Hz, 50Hz, or 60Hz
Related Models:
- SR489-P1-HI-A20-E
- GE 489 Generator Management Relay