Three parallel three-phase loads are supplied from a 207.85-Vrms, 60-Hz three-phase supply. The loads are as follows: Load 1: 11 kW with 0.6 lagging power factor. Load 2: Resistive load of 11 kW. Load 3: capacitor load of 9 kvar. (a) What is the total system kW, kvar, power factor, and the supply current per phase? (b) What is the system power factor and the supply current per phase when the Load-1 and Load-2 are operating but the Load-3 is switched off?

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Single Phase AC Circuit

Alternating Current (AC) is a type of electric power in which the electric current changes, both in magnitude and direction, at regular intervals. This AC Circuits can deliver power in either a Single Phase system or a Three Phase system.