Physics · Power Systems
In which of the following 3-phase transformer connection configurations will zero-sequence currents not flow through the transformer windings from either side?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Primary in star (neutral grounded), secondary in star (neutral not grounded)
- 2Primary in star (neutral grounded), secondary in star (neutral grounded)
- 3Primary in star (neutral grounded), secondary in delta
- 4Primary in star (neutral not grounded), secondary in delta✓
Correct answer
Primary in star (neutral not grounded), secondary in delta
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