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Question

A 183 bus power system has 150 PQ buses and 32 generator buses. In the general case, to obtain the load flow solution using Newton-Raphson method in polar coordinates, the minimum number of simultaneous equations to be solved is

A
232
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B
331
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C
332
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D
330
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Solution

The correct option is C 332
n = 183
No. of equations = 2n - m - 2
= 2 × 183 - 32 - 2
= 332

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