Two transformers are operated in parallel, most essential condition to be satisfied is polarities should be same

Q.  Two transformers are operated in parallel, most essential condition to be satisfied is
- Published on 29 Oct 15

a. Polarities should be same
b. Leakage reactance should be equal
c. Turns ratios should be equal
d. Impedances should be in proportion to their kVA rating

ANSWER: Polarities should be same

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