489-P5-LO-A20-E | GE Multilin | 489 – Generator Protection System

Features:

Protection and control • Generator stator differential • 100% stator ground • Loss of excitation • Distance backup • Reverse power (anti-motoring) • Overexcitation • Ground directional overcurrent • Inadvertent energization • Breaker failure • Stator and bearing thermal monitoring • Stator and bearing vibration monitoring • Negative sequence overcurrent

Monitoring and Metering • Metering – current, voltage, power, Energy, frequency, power factor • Demand – current, watts, vars, VA • Temperature – 12 RTD inputs • Vibration and Speed – 4 analog transducer inputs • Event Recorder – 256 time tagged events • Oscillography – 12 samples/ cycle up to 128 cycles in length • Trending – 8 parameters with up to a 5 second sample rate

Communications • Networking interfaces – RS232, RS485, 10Mbps copper Ethernet • Multiple protocols – ModBus™ RTU, ModBus™ TCP/IP, DNP 3.0 Level 2

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