Star-Delta & Delta-Star Connection in Three Phase Transformers - MCQs with Answers

Star-Delta & Delta-Star Connection in Three Phase Transformers - MCQs with Answers

Q1. In case of delta-star connection of three phase transformer, secondary line voltage with respect of primary line voltage is at

a. 0 degree
b. 30 degree leading
c. 30 degree lagging
d. 60 degree lagging

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Q2. The most commonly used connections for power systems as a step-up and step-down transformers are

a. Star-delta, star-star
b. Delta-star, star-delta
c. Star-star, delta-delta
d. Star-delta, delta-star

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