Short transmission line - Expression for power factor angle of load

Q.  In a short transmission line, voltage regulation is zero when the power factor angle of the load at the receiving end side is equal to ____________.
- Published on 25 Nov 15

a. tan-1 (X/R)
b. tan-1 (R/X)
c. tan-1 (X/Z)
d. tan-1 (R/Z)

ANSWER: tan-1 (R/X)

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