IGS-NT Combi, SW Version 3.0, ©ComAp – May 2013
IGS-NT-Combi-3.0 Reference Guide.PDF
Generator current unbalance. The value is calculated as maximal difference of
two phase currents at one moment and expressed in % of the nominal current.
NOTE:
This value can be used for creating the generator current unbalance protection
using the "universal analog protections".
Value: Slip freq
Differential frequency between the generator and the mains/bus.
Value: Angle
The angle between the phasors of the generator and mains/bus voltage.
Group: Mains/Bus values
Value: Mains freq
Mains frequency. The frequency is measured in the phase L3.
Value: Bus freq
Bus frequency. The frequency is measured in the phase L3.
Value: Mains V L1-N
Mains voltage in phase L1.
NOTE:
The ratio between the voltage measured at the input terminals and the displayed
voltage is adjusted by the setpoint Vm VT ratio.
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