Changing the voltage scaling will also influence the nominal power scaling:
Scaling
parameter 9030
Nom. settings 1 to 4
(power) will change ac-
cording to parameter
9030
Nom. settings 1 to 4
(voltage) will change ac-
cording to parameter 9030
Transformer ratio set-
tings
parameter 6041, 6051
and 6053
10 V-2500 V 1.0-900.0 kW 10.0 V-2500.0 V 10.0 V-2500.0 V
100 V-25000 V 10-20000 kW 100 V-25000 V 100 V-25000 V
1 kV-75 kV 0.10-90.00 MW 1.00 kV-75.00 kV 1.00 kV-75.00 kV
10 kV-160 kV 1.0-900.0 MW 10.0 kV-160.0 kV 10.0 kV-160.0 kV
All nominal values and the primary VT settings must be corrected after the scaling has been
changed in menu 9030.
7.30 Differential measurement
7.30.1 Differential measurement
With the differential measurement function it is possible to compare two analogue inputs and trigger on the
difference between the two values.
If the differential function is for example air filter check, the timer will be activated if the setpoint between PA
(analogue A) and PB (analogue B) is exceeded. If the differential value drops below the setpoint value before
the timer runs out, then the timer will be stopped and reset.
CGC 400 DRH 4189340786 UK
Additional functions
DEIF A/S Page 89 of 96
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