IGS-NT-BC, SW Version 1.2.0,
©ComAp – January 2019
IGS-NT-BC-1.2.0 Reference Guide.PDF
72
correct generator current readings.
C
AUTION
!
The maximum measurable input current to the controller current terminals is 11A.
W
ARNING
!
Do not discconnect the CT terminals from the controller while there is nonzero
current in the CT primary circuit!
Setpoint: CT ratio prim
Group
Basic Settings
Range [units]
1 .. 15000 [A]
Related FW
3.0
Description
Nominal current of the
primary side
of the generator current transformers. The
secondary side is adjusted by setpoint
Setpoint: CT ratio sec
Group
Basic settings
Range [units]
/5A, /1A [-]
Related FW
3.0
Description
Nominal current of the
secondary side
of the generator current transformers. The
primary side is adjusted by setpoint
N
OTE
:
The CT secondary nominal current is adjustable only in IG-NTC and IS-NT. The
IG-NT has the CT secondary nominal current adjusted fixedly to 5A regardless of
this setpoint.
Setpoint: EarthFltCurCTp
Group
Basic settings
Range [units]
1 .. 15000 [A]
Related FW
3.0
Description
Nominal current of the
primary side
of the current transformer connected to the
controller terminals labeled
IN
. The secondary side is adjusted by setpoint
N
OTE
:
The
IN
terminals are used for measurement of earth fault current.
Setpoint: Im3/ErFlCurCTs
Group
Basic settings