Vidyut Sahayak (Pareshan) Contractual Practice Questions - MAHATRANSCO Vidyut Sahayak (Pareshan) Contractual Online Examination (Advt No. 08 2024) Exam

Which formula is used to calculate the total active power in a balanced three-phase star-connected AC system?

P = sqrt(3) * V_L * I_L * cos(theta) P = 3 * V_L * I_L * cos(theta) P = sqrt(3) * V_P * I_P * cos(theta) P = V_L * I_L * cos(theta)

Correct Answer:

P = sqrt(3) * V_L * I_L * cos(theta)

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