What is 3 Phase Power?

The power in three phase, which is equal to √3VLILcos Φ.

Three phase Power Measurement Methods 

three Phase Power

It can be measured by these following methods:

  1. By single wattmeter of single phase,
    (i) when neutral is available,
    (ii) when neutral is not available.
  2. By two wattmeters method.
  3. By three wattmeters of single phase method.
  4. By one wattmeter of three phase method.

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