engineering recuitment MPPKVVCL Line Attendant Mock Test 2025 Electrical and Electronics Measurements Measurement of Power Measurement of AC Power
Power measured using 2 wattmeter method from a three-phase balanced/unbalanced load where line voltage = VP, Line current = VL, Phase voltage = VP and Phase current = lP is given by:
1
√3 VL IL Cos φ
2
√3 VP IP Sin φ
3
√3 VP IP Cos φ
4
3VL IL Cos φ