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A 5 KVA 480/120 V single phase transformer is to be used as an autotransformer to transform a 600 V source to a 480 V supply. As a single phase transformer delivering rated load at 0.8 PF Lag its efficiency.

A) show the connection diagram of the autotransformer

B) Determine the KVA of the transformer

C) Find the efficiency as an autotransformer delivering rated capacity at 480 V and 0.8 PF Lag.

Electrical & Electronics, Engineering

  • Category:- Electrical & Electronics
  • Reference No.:- M9702820

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