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OpenSpecEngineering

Open data for a field built on precision

— AC Power (Real / Reactive / Apparent)

Single-phase AC power triangle: apparent power S = VI, real power P = VI·cosφ, reactive power Q = VI·sinφ.

P (real, kW) Q (reactive, kVAR) S (apparent, kVA) φ
The power triangle: S is the hypotenuse of P and Q, with cosφ = P/S.

Solution

History