Electrical Engineering · Electrical Measurements
Which method is standardly used to measure total active power in an unbalanced 3-phase, 3-wire electrical system using minimum number of wattmeters?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 13-phase, reactive power method
- 23-phase, 1-wattmeter method
- 33-phase, 2-wattmeter method✓
- 42-phase, 2-wattmeter method
Correct answer
3-phase, 2-wattmeter method
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