3. The system of Figure 9.2 shows a 3-phase Y connected generator feeding a Y connected load. If the generator phase voltage is 120 volts and the load consists of 3 legs of 20 9 each, find the line voltage, the line current, voltage across each load leg and the total power drawn by the load. a X Figure 9.2 E3 Z E1 E2 b R1 R3 www R2

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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.