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Unbalance Relay for Capacitor Banks KSR1

Application in MV or HV compensations

Detection - Alarm - Trip

Measured is the RMS value referred to the fundamental without harmonic components.

Unbalance current is measured between the two star points of 2 capacitor stages

Unbalance monitoring via external voltage or current transformer (0.1 - 20 V AC or 15 mA - 5A)

Power supply: by wide range power supply 40 - 250 V AC (45 - 65 Hz) and 40 - 300 V DC

  • 1-phase measurement
  • Alarm/Trip Limit value monitoring/trip after time X adjustable
  • 4 switching outputs (change-over contacts) are available (closed in idle state)
  1. Trip relay output
  2. Output Alarm Relay
  3. Output Relay 3 (Alarm or Trip or Alarm and Trip)
  4. Output state OK (Life contact) Self-monitoring means in case of missing supply voltage the contacts 41-42 close and the contacts 41-44 open
  • 1 DI: The switching state of the DI input:

 ---- The function to block the monitoring system is not activated.

OPEN The connection between the DI1 and DI2 terminals is open.

CLSd The connection between the DI1 and DI2 terminals is closed.

  • Quick start menu
  • Expert menu

Option: Modbus +MB

Connection diagram

Contact

Stephan Leckel

Head of Sales and Technology

+49 8861 2332-45


Anna-Maria Jais

Technical Sales

+49 8861 2332 47


Alexandra Wegner

Sales / Export

+49 8861 2332-44

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