A balanced 3-phase, 3-wire supply system is connected to terminals a, b and c as

shown below. The line voltage is 400 V. A star-connected load comprising a resistor

R and two equal value inductors jX are connected as shown. If R =100 and X =100

determine the power indicated by the wattmeter for each of the phase sequences abc and acb.

shown below. The line voltage is 400 V. A star-connected load comprising a resistor

R and two equal value inductors jX are connected as shown. If R =100 and X =100

determine the power indicated by the wattmeter for each of the phase sequences abc and acb.

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