1 Answer

Answer :

Power = voltage X Current

As per the windings in the primary side and secondary side the voltage and current will change accordingly.

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Description :  A 1000 V/400 V power transformer has a nominal short-circuit voltage Vsc = 40%. Which one of the following statements is correct ?  (a) A voltage of 400 V appears across the short-circuited ... V.  (d) The primary voltage drops to 400 V, when the secondary terminals are short-circuited.

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Description : 66 While conducting short-circuit test on a transformer the following side is short circuited A. High voltage side B. low voltage side C. primary side D. secondary side

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Description : In a three phase transformer, if the primary side is connected in star and secondary side is connected in delta, the angle difference between phase voltage in the two cases will be: (A) delta side will lag by -30° ... will lag by -30° (C) delta side will lead by 30° (D) star side will lead by -30°

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