Answer / p.k.soni

interposing transformer are protect circuit against reclosing and rvt are keep voltage balanced

Answer / deepak

Interposing voltage transformer is simply a PT or CVT
(Instrument transformer); where as reverse voltage
transformer is just an inverter.

A 3-PHASE TRANSFORMER IS USED TO STEP-DOWN THE VOLTAGE OF A 3-PHASE, 11KV FEEDER LINE. PER-PHASE TURNS RATIO IS 12.FOR A PRIMARY LINE CURRENT OF 20A, CALCULATE THE SECOUNDRY LINE VOLTAGE, LINE CURRENT AND OUTPUT KVA FOR FOLLOWING.A)STAR- DELTA.B)DELTA-DELTA.

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