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موضوع
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Can a 3500 KVA, 6.3/11 KV power transformer HV side be protected against all faults by installing protection relays only on its primary 6.3 KV side? Overhead line is directly connected at 11 KV side of transformer.
Can a 3500 KVA, 6.3/11 KV power transformer HV side be protected against all faults by installing protection relays only on its primary 6.3 KV side? Overhead line is directly connected at 11 KV side of transformer.Transformer is delta(6.3 KV) – wye ( 11 KV) type with neutral grounded solidly … an idea is to install 51N on neutral of grounded Y at transformer secondary and take its signal to primary side protection relay?
How fault currrents on Y side of transformer reflected on delta side? Can overcurrent relays decide about fault on Y side by sensing current from delta side?
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