Electric power from primary distribution line is delivered to distribution substations by using 3 phase, 4 wire

Q.  The electric power from primary distribution line is delivered to distribution substations by using
- Published on 06 Oct 15

a. 1 phase wire
b. 3 phase, 3 wire
c. 3 phase, 4 wire
d. All of these
e. None of these

ANSWER: 3 phase, 4 wire

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    Discussion

  • Aslam   -Posted on 17 Apr 17
    Correct answer is 3 phase 3 wire system.
    secondary distribution uses 3 phase 4 wire system.

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