Below is the attached file of the results of the case9ab. The values for P (MW) are calculated by PF and PT. My question is how Q(MVAR) LOSS is calculated in the attached file in the last column, Is there any formula to calculate the the Q?
On Sun, May 14, 2017 at 2:15 PM, Akash Tyagi <[email protected]> wrote: > The results are still not coming. > I have run the normal power flow and then see the values in the command > window. > P(real power loss) is calculated by PF and PT by the following command- > real_power_loss=results.bracnh(:,PF)+results.branch(:,PT); > The results are same as given in the command window for P(MW) for > different branches. > how the Q(reactive Power loss) is calculated ?? > It is not giving the same results as done for the real power loss. > reactive_power_loss=results.branch(:,QF)+results.branch(:,QT); > The values are different by using the above command and also it is not > same in the command window for Q(MVAR) > > On Sun, May 14, 2017 at 1:58 PM, Bone, Gorazd <[email protected]> > wrote: > >> Hi Akash, >> >> is it possible that the problem is with the shunt capacitances. I suggest >> you calculate the line currents (from ohm's law) and then Qloss = X*I^2. >> >> regards >> ------------------------------ >> *Od:* [email protected] [ >> [email protected]] v imenu Akash Tyagi [ >> [email protected]] >> *Poslano:* 14. maj 2017 9:46 >> *Za:* MATPOWER discussion forum >> *Zadeva:* Reactive power Loss >> >> Hello everyone, >> I am working on my project and I got stuck with reactive power loss. >> I was trying to calculate the reactive power loss for all the branches. >> I have given the following case below- >> I run the normal power flow for the case attached below by the following >> command- << runpf (case9ab) >> After then I have to calculate the reactive power loss by using the >> following command- >> reactive_power_loss=results.branch(:,QF)+results.branch(:,QT) >> But it is not giving the same results as coming after power flow in the >> command window. >> My Question is how to calculate the reactive power loss values (Q (MVAR) >> ) as given in the branch data after power flow. >> > >
