Physics · Three-Phase AC Circuits
What is the formula for calculating total apparent power (S) in a balanced three-phase star or delta system?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1S = VLine × ILine
- 2S = √3 × VLine × ILine✓
- 3S = √3 × VPhase × IPhase
- 4S = VPhase × IPhase
Correct answer
S = √3 × VLine × ILine
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