Electrical Engineering > GATE 2016 SET-1 > Load Flow
In a 100 bus power system, there are 10 generators. In a particular iteration of Newton Raphson load flow technique (in polar coordinates), two of the PV buses are converted to PQ type. In this iteration,
A
the number of unknown voltage angles increases by two and the number of unknown voltage magnitudes increases by two.
B
the number of unknown voltage angles remains unchanged and the number of unknown voltage magnitudes increases by two.
C
the number of unknown voltage angles increases by two and the number of unknown voltage magnitudes decreases by two.
D
the number of unknown voltage angles remains unchanged and the number of unknown voltage magnitudes decreases by two.

Correct : b

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