Mathematics · Power Systems
A 30 MVA, 13.2 kV synchronous generator has a solidly grounded neutral. Its positive, negative, and zero sequence impedances are 0.30 pu, 0.40 pu, and 0.05 pu respectively. What value of reactance must be placed in the generator neutral so that the fault current for a solid line-to-ground fault does not exceed the rated line current?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 14.416 Ω✓
- 28.832 Ω
- 32.080 Ω
- 41.472 Ω
Correct answer
4.416 Ω
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