This type of zero-sequence current transformer for the rated frequency of 50Hz. the ratedvoltage of 35kV and below the neutral point non-effectively grouded system for the measurment of zero sequence current and earth fault protection.
With the use of this type of transformer and DL11/0.2relay.
When the transformer secondary winding by DL11/0.2 type braeker 9relay coils connected in parallel .
Tuning current of 0.1A)and the transformer secondary external total impedance is not greater than 10 oumu ,a residua current of the relay is not greater than 10A
Dimensions
LJ-75 | |
LJ-75 | ||
Accuracy test
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