The voltage dependent resistor (Metrosil) characteristic is shown in Figure 66.
Series resistor thermal capacity
The series resistor is dimensioned for 200 W. Preferable the U>Trip
2
/SeriesResistor
should always be lower than 200 W to allow continuous activation during testing. If
this value is exceeded, testing should be done with a transient faults.
Section 7 1MRK 502 071-UEN -
Differential protection
154 Generator protection REG670 2.2 IEC and Injection equipment REX060, REX061, REX062
Application manual
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