Physics · Power Systems
For an untransposed 3-phase line, if conductors are non-symmetrically spaced but then the line is transposed, what will be the net effect on positive-sequence and negative-sequence inductances?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Both positive and negative sequence inductance decrease to zero.
- 2Positive and negative sequence inductance become approximately equal after transposition, reducing sequence coupling differences.✓
- 3No effect on positive and negative sequence inductance; transposition only affects capacitance.
- 4Positive sequence inductance increases and negative sequence inductance decreases significantly.
Correct answer
Positive and negative sequence inductance become approximately equal after transposition, reducing sequence coupling differences.
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