Electrical Engineering · Transformers
Why is matching the polarity essential when connecting two or more single-phase transformers in parallel?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1It increases the maximum operating efficiency.
- 2It reduces core and eddy current losses.
- 3It eliminates the need for voltage regulation.
- 4It prevents dead short-circuits and heavy circulating currents that could damage the windings.✓
Correct answer
It prevents dead short-circuits and heavy circulating currents that could damage the windings.
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