Muhammad,
You are not taking into account shunt elements (Qshunt) and branch charging
injections (Qbsh):
Tota System Q = Qgen + Qshunt + Qbsh - Qload - Qloss = 0.0
= 82.4 + 21.2 + 24.4 - 73.5 -54.54 = 0.0
Regards
Uriel
El 01/04/2014, a las 05:02, MUHAMMAD FARAZ SAHITO <[email protected]>
escribió:
> Hi Every One,
> I am running AC Power flow using Newton Raphson method for IEEE 14 bus
> system, I am using following command:
>
> results = runpf('case14');
>
> When i get the results I see total reactive Power Injection [Q (MVAr)
> Generation = 82.44] and total consumed reactive Power [Q (MVAr) Load =
> 73.50]. If we subtract consumed reactive power from injected reactive power
> we get the Loss.
>
> Total Reactive Power Loss = Total Reactive Power Injection - Total Reactive
> Power Consumption = 82.44 - 73.5 = 8.94 MVAR
>
> where as AC load Flow is giving 54.54 MVAR, Can any one explain why this loss
> is coming wrong.
>
> Best Regards,
> Muhammad Faraz Sahito
> Graduate Student | Electrical Department
>
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>
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