InteliMains
NT
, SW version 3.0
InteliMains-NT-BTB-3.0-Reference Guide.pdf, ©ComAp – June 2013
EXAMPLE OF IDMT OVERCURRENT PROTECTION CURVE
NOTE:
When the IDMT protection is activated the BTB is opened and the event is
recorded in the Alarmlist and History. The further BTB closing is blocked until
Fault Reset has been pressed to clear the alarm (i.e. this is BOR type
protection).
12.2.6.6 Setpoint: BusLVolt prot
This setpoint enables or disables BusL voltage protection. For more
information on this protection see setpoints BusLeft >V, BusLeft <V and
BusLeft V del.
NOTE:
If both voltage and frequency protections (see also setpoint BusLfreq prot)
are disabled there is no way for the controller to decide whether the busL is
healthy or not. In this case busL is considered healthy if there is any voltage.
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