System Functions

Generator and System Protection:

  • Device 27/59 - Under and Over Voltage
  • Device 81 - Under and Over Frequency
  • Device 32 - Reverse Power (Inverse Time Delay)
  • Device 40 - Loss of Excitation
  • Device 81U - Bus Under Frequency
  • Over Current (Inverse Time Delay)

Synchronizing:

  • Phase & Voltage Matching
  • Dead Bus Closing
  • Synch Timer
  • Reclose Attempt/Timer
  • Manual Synchronization (Permissive Mode)
  • 3 Mode Operation: Run, Check, Permissive

Generator Voltage and Reactive Load Control:

  • Power Factor Sharing In Load Sharing Mode
  • Externally Adjustable Var/Pf Reference
  • Manual Voltage Control

AC Metering:

  • 3 Phase Voltage
  • 3 Phase Current
  • kWh
  • kW, kVA, and kVAR
  • Power Factor
  • Frequency

Engine Control:

  • Multiple Crank Cycle Timer
  • Crank Timer
  • Crank Fail Alarm/Shutdown
  • Crank Cutout (Rpm)
  • Engine Preglow
  • Idle/Rated Relay Output
  • Engine Runtime

Engine Protection:

  • Oil Pressure -Over/ Under Alarm/Shutdown Settings
  • Water Temperature - Over/Under Alarm/Shutdown Settings
  • Battery Voltage - Over/ Under Alarm/Shutdown Settings
  • Overspeed - Alarm/Shutdown Settings

© Copyright 2001-2008 ASCO Power Technologies, LP
Florham Park, NJ 07932