Basic Settings - ComAp IG-NT GC Reference Manual

Basic settings

Nomin power
Nominal power of the generator.
Step: 1 kW
1 – 32000 kW
Range:
Force value: Yes
Nomin current
This is the current limit for the generator. IDMT over current and short current protections are based on this
setpoint. See Generator protections: 2Inom del, Ishort setpoints. Nominal current can be different from
generator rated current value.
Step: 1 A
Range: 1 - 10000 A
Force value: Yes
!!! VERY IMPORTANT !!!

The maximum input current to the controller current terminals is 11 Amps. Higher value is
displayed as measured limit, e.g. 15 Amps from CT is measured and displayed as 11 Amps.

Take special care when selecting CT's. All available 5 Amp CT's do not have a range up to 11
Amps.
CT ratio prim
Gen-set phases Current Transformers ratio – primary side.
Step: 1 A
1 – 10000 A
Range:
CT ratio sec
Gen-set phases Current Transformers ratio – secondary side selection /5A or /1A. Available in IG-xxC and
IS-NT versions. In standard IG-EE/NT units only 5 A range available.
Im3/ErFltCurCTp
Earth Fault protection Current Transformer ratio – primary side.
Step: 1 A
1 – 10000 A
Range:
Im3/ErFltCurCTs
Earth Fault protection Current Transformer ratio – secondary side selection /5A or /1A. Available in IG-xxC
and IS-NT versions. In standard IG-EE/NT units only 5 A range available.
VT ratio
Gen-set Voltage Transformers ratio.
Step: 0,1 V / V
0,1 – 500,0 V / V
Range:
Vg InpRangeSel
Gen-set voltage sensing inputs range selection. Available in IG-xxC and IS-NT versions. In standard IG-
EE/NT units only 277 V range available.
Hint:
The range 277 V is suitable for both European (230 V) and American (277 V) measurement.
The range 120 V is intended for high-voltage applications where voltage transformers with output range 100
V are used, or for alternative American (120 V) measurement.
Inteli NT GeCon-MARINE SPI, SW Version 3.2, ©ComAp – July 2015
IGS-NT-GeCon-MARINE-SPI-3.2.PDF
[ kW ] (FV)
[ A ] (FV)
[ A ]
[ /5A / /1A ]
[ A ]
[ /5A / /1A ]
[ /1 ]
[ 277 V / 120 V ]
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