Engineering Board Exam Reviewer · Three-Phase Systems in Power Applications · easy

A balanced three-phase load draws 10 A from a 400 V line at a power factor of 0.8. What total real power does it absorb?

  1. 3.2 kW
  2. 5.54 kW
  3. 9.6 kW
  4. 6.93 kW

Answer

B. 5.54 kW

Solution

P= 3,VLIL = 3(400)(10)(0.8)=5543 W=5.54 kW.

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