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

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

Q1. If K is the transformation ratio, then the secondary phase voltage of delta-delta connected three phase transformer will be

a. 1 / K times of the primary phase voltage
b. Equal to the primary phase voltage
c. 1 / K ∧ 2 times of the primary phase voltage
d. K times the primary phase voltage

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Q2. For large low voltage transformers, the most commonly connections used are

a. Star- star connection
b. Delta-delta connection
c. V connection
d. All of these

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