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

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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