IGS-NT-BC, SW Version 1.2.0,
©ComAp – January 2019
IGS-NT-BC-1.2.0 Reference Guide.PDF
76
Related FW
3.0
Description
This setpoint is used to adjust the nominal bus voltage (phase to neutral). If you
do not know the phase-neutral nominal voltage, you can adjust the phase-phase
nominal voltage
. The controller will then recalculate the phase-
neutral nominal voltage automatically.
N
OTE
:
The actual setpoint units and range depend on setting of the Power format in
GenConfig.
N
OTE
:
If different voltage on gen-set and on Bus/Mains is required the following
procedure is required:
Both setpoints (
) must be adjusted to the same values
according to the value of actual generator nominal voltage. E.g. gen-set nominal is
231 V but Bus/Mains nominal is 240 V.
In this case both setpoints need to be adjusted to 231 V and setpoints of
corresponding protections for Bus/Mains need to be set assymetrically.
For 240 V on Bus/Mains it is typical to open MCB when voltage reaches 254 V or
225 V. Since the setpoint is adjusted to 231 V corresponding protection setpoints
need to be adjusted to
Mains >V MP
= 106% and
Mains <V MP
= 97 % (hence
the desired values are reached).
Setpoint: BusNomVph-ph
Group
Basic settings
Range [units]
17 .. 60000 [V]
Related FW
3.0
Description
In application MINT and COX.
This setpoint is used to adjust the nominal bus voltage (phase to phase). This
setpoint is also recalculated automatically when the phase-neutral nominal voltage
This setpoint can be used if you know the phase-phase nominal voltage only. The
controller will recalculate the phase-neutral nominal voltage automatically when
this setpoint is changed.
N
OTE
:
The actual setpoint units and range depend on setting of the Power format in
GenConfig.
N
OTE
:
If different voltage on gen-set and on Bus/Mains is required the following
procedure is required:
Both setpoints (
) must be adjusted to the
same values according to the value of actual generator nominal voltage. E.g. gen-
set nominal is 400 V but Bus/Mains nominal is 415 V.
In this case both setpoints need to be adjusted to 400 V and setpoints of
corresponding protections for Bus/Mains need to be set assymetrically.
For 415 V on Bus/Mains it is typical to open MCB when voltage reaches 440 V or
390 V. Since the setpoint is adjusted to 400 V corresponding protection setpoints
need to be adjusted to
Mains >V MP
= 106% and
Mains <V MP
= 97 % (hence
the desired values are reached).
