Cameroon Baccalauréat Série F3 Practice Questions - Cameroon Baccalauréat Technique Série F3 (Électrotechnique) Exam

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Using Boucherot's method (méthode de Boucherot), how is total active power $P_T$ and total reactive power $Q_T$ calculated for an industrial electrical installation with $n$ parallel loads?

P_T = Σ P_i and Q_T = Σ Q_i, and total apparent power is S_T = √(P_T² + Q_T²) S_T = Σ S_i directly by algebraic summation P_T = √(Σ P_i²) and Q_T = √(Σ Q_i²) P_T = Σ P_i / n and Q_T = Σ Q_i / n

Correct Answer:

P_T = Σ P_i and Q_T = Σ Q_i, and total apparent power is S_T = √(P_T² + Q_T²)

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