A delta-connected balanced load is supplied from a three-phase balanced 400 V, 50 Hz AC supply. The reading on the two wattmeters is 970 W and 480 W respectively. Each phase of the load consists of resistance and inductance connected in series. Calculate the total active power consumed.

A delta-connected balanced load is supplied from a three-phase balance

1.	A delta-connected balanced load is supplied from a three-phase balanced 400 V, 50 Hz AC supply. The reading on the two wattmeters is 970 W and 480 W respectively. Each phase of the load consists of resistance and inductance connected in series. Calculate the total active power consumed.
A.	14.5 kW
B.	1,450 kW
C.	1.45 kW
D.	145 kW
Answer» D. 145 kW

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A delta-connected balanced load is supplied from a three-phase balanced 400 V, 50 Hz AC supply. The reading on the two wattmeters is 970 W and 480 W respectively. Each phase of the load consists of resistance and inductance connected in series. Calculate the total active power consumed.

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