VAMP 140 - Overcurrent and Earth-Fault Protection of an Overhead Line Feeder

VAMP Ltd Overcurrent and earth-fault relay
Technical description
VAMP 140
VM140.EN011 Vamp 24h support phone +358 (0)40 573 6316
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3.2. Overcurrent and earth-fault protection
of an overhead line feeder
Figure 3.2-1 Three-phase overcurrent protection and earth-fault protection
of an overhead line feeder. The earth-fault current is measured with a
residual current connection of the current transformers.