Physics · Power Systems
What is the correct formula for calculating the percentage voltage regulation of a short transmission line supplying a leading power factor load (with usual notations)?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1I(R cos(φ) + X sin(φ))Vr × 100%
- 2I(R sin(φ) - X cos(φ))Vr × 100%
- 3I(R cos(φ) - X sin(φ))Vr × 100%✓
- 4I(R sin(φ) + X cos(φ))Vr × 100%
Correct answer
I(R cos(φ) - X sin(φ))Vr × 100%
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