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Why VCB is required and ACB is also require?
what is the BDV of Trafo of 11/33 KV
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Answer Posted / chander shekher
VCB & ACB are required for protection of electrical equipment/system.
VCB protects for over load, Earth Fault, Short Circuit,for HT Supply
whereas ACB are used for overload, earth fault & Short circuit for LT Supply
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