Computer · Electrical Machines
The Open Circuit test on a transformer is carried out at rated voltage, usually on the low voltage side with the high voltage side open. What is the reason behind the test being carried out at rated voltage?
- 1To determine the full load copper loss
- 2To determine the core loss as the rated flux density is obtained at rated voltage✓
- 3To determine the equivalent resistance
- 4To determine the leakage reactance
Correct answer
To determine the core loss as the rated flux density is obtained at rated voltage
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