Explain measurement of three phase power using two watt meter method.

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written 9.4 years ago by

teamques10 ★ 70k

modified 3.8 years ago by

pedsangini276 • 4.8k

Mumbai University > FE > Sem 1 > Basic Electrical and Electronics Engineering

Marks: 6 M

Year: DEC 2012, MAY 2012

basic electrical engineering

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written 9.4 years ago by

teamques10 ★ 70k

The above fig. shows a balanced star connected load.

Let VRN, VYN and VBN be the three phase voltages.

Let IR, IV, IB be the phase currents.

The phase currents will lag behind their respective phase voltages by angle Ф

Current through coil of W1 =IR

Voltage across voltage coil …

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