Electronics and Communication Engineering - Networks Analysis and Synthesis - Discussion
Discussion Forum : Networks Analysis and Synthesis - Section 1 (Q.No. 27)
27.
A 3 phase balanced supply feeds 3 phase unbalanced load. Power supplied to the load can be measured by using
- 2 wattmeter
- one wattmeter
- 3 wattmeter
Answer: Option
Explanation:
A minimum of 2 wattmeters is required to measure 3 phase power. Of course power can be measured by putting one wattmeter in each phase.
Discussion:
1 comments Page 1 of 1.
Manikumar said:
1 decade ago
In unbalanced case we need at least (3-1) watt meters.
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