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Three-Phase Systems in Power Applications

Q1:

In a Y-connected circuit, between each line voltage and the nearest phase voltage, there is a phase angle of

A 0°

B 30°

C 60°

D 120°

ANS:B - 30°

Current flowing in the line (outside the transformer) is called line current whereas current flowing in one of the windings of the transformer or generator is called phase current.



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