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,

the number of unknown voltage angles increases by two and the number of unknown voltage magnitudes decreases by two.

the number of unknown voltage angles increases by two and the number of unknown voltage magnitudes increases by two.

the number of unknown voltage angles remains unchanged and the number of unknown voltage magnitudes increases by two.

the number of unknown voltage angles remains unchanged and the number of unknown voltage magnitudes decreases by two.

In a 100 bus power system, there are 10 generators. In a particular it

1.	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.
Answer» C. the number of unknown voltage angles increases by two and the number of unknown voltage magnitudes decreases by two.

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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,

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