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What is the reason of using bus-bars on the secondary on the
LT transformers?
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Answer Posted / venkatraman.s
hi friends, this question is most important one for all interview. ans is HT side voltage is high so current is low but LT transformer secondary voltage is low current is high,so we are not connected more cables in TB side so we are using bus bar. its formula is KVA/1.732* volage(HT OR LT)
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234 MVA Generator 3 phase Short circuit current Values required? Gen set Rating-234 MVA, Gen Voltage-18kv, PF;0.8, Xdv:23.5 %, Transformer Rating-18/380KV, 680MVA,Yndd1 two winding, Step up TR, ZT:35.50 %,X/R 4.33 Gen CB Position, CB open ,Disconnected open, Generator Running Voltage 18 Kv, Bi mistakes generator side earth switch Closed during that time short circuit current level in 3 Phase required, and how to test on site 234MVA Generator Short circuit current,
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