Current
measurement
Overload
characteristic
Trip logic
block
IEC12000013-1-en.vsd
IEC12000013 V1 EN
Figure 213: Representation of the stator overload protection
Current measurement
Three phase currents are measured either on the high voltage (HV) side of the
generator or on the neutral side of the stator winding, see Figure214
G
Field breaker
Two
alternative
measurement
points
for the stator
overload
function
Step-up
transformer
Excitation
transformer
IEC12000012-1-en.vsd
HV- side
Neutral side
I
L1
I
L2
I
L3
IEC12000012 V1 EN
Figure 214: Measurement of stator current
The selection of current measurement is done by using the parameter
MeasurCurrent::
Section 8 1MRK502052-UEN B
Current protection
456
Technical manual
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