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Why dc supply is used for closing and tripping coil of ht
breakers. What happen if we use only ups ac supply only.
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Answer Posted / ganesh yeole
hey friends.....I agreed ur ans but I feel one more thing...if we use AC supply to HT system....see you know well sign wave when wave going upper side then down....when wave coming down side you have to see 0 volt but HT tripping or closing coils or contactor pick up time not sufficiently working on there. it not working properly so you found there electrical damages. that's cause DC supply using in HT system. cause DC is directly pick up to coils.........if you are satisfied to my answer you mailed me ganesh.yeole89@gmail.com.......mob no. 09579853838
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