Overcurrent, Earth-Fault And Arc Protection Of A Distribution Transformer Feeder - VAMP 140 Operation And Configuration Instructions

VAMP 140
3.3.
28
Overcurrent and earth-fault relay
Technical description
Overcurrent, earth-fault and arc
protection of a distribution transformer
feeder
Figure 3.3-1 Overcurrent, earth-fault and arc protection of a distribution
transformer feeder. The relay is provided with the optional arc protection
card. The binary input of the relay is used for collecting contact alarm
signals from, e.g. the distribution transformer Buchholz relay (gas relay)
and/or oil level supervision device or the oil temperature alarm contact.
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VM140.EN011