A 112-bus power system has 91 PQ buses and 20 PV buses. In the general case, to obtain the load flow solution using Newton-Raphson method in polar co-ordinates, the minimum number of simultaneous equations to be solved are
A
224
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B
204
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C
202
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D
206
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Solution
The correct option is C 202 From given:
n= total number of buses = 112
m= PV buses = 20
Maximum number of equations =2n−m−2 =2(112)−20−2 =202