3
Question
A 183-bus power system has 150 PQ buses and 32 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 is
- 332
- 332
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Solution
The correct option is A 332
n=183
No. of equations =2n−m−2
=2×183−32−2=332
where, n= total number of buses
m=PV bus or reactive power support bus excluding slack bus.
One bus already has taken as stack bus.
n=183
No. of equations =2n−m−2
=2×183−32−2=332
where, n= total number of buses
m=PV bus or reactive power support bus excluding slack bus.
One bus already has taken as stack bus.
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