Physics · Electrical Machines
Consider the following tests conducted on a single-phase transformer: 1. Open-Circuit (O.C.) test 2. Short-Circuit (S.C.) test 3. Retardation test Which of these tests are essentially required to determine the voltage regulation of the transformer?
- 11 and 2✓
- 21 and 3
- 3Only 2
- 4Only 1
Correct answer
1 and 2
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