Oops. I meant … c.I’m afraid not. d. See the answer to a.
> On Feb 26, 2019, at 4:59 PM, Ray Zimmerman <[email protected]> wrote: > > a. The short answer is “no." See the last paragraph in section 4.1 of the > MATPOWER User’s Manual > <http://www.pserc.cornell.edu/matpower/docs/MATPOWER-manual-7.0b1.pdf>. > b. I’m not an expert on transformer modeling, so I’m not sure if you can > included the magnetizing conductance in the model in Fig. 3-1. > c. See the answer to a. > > Ray > > > >> On Feb 25, 2019, at 11:08 AM, Jubeyer Rahman <[email protected] >> <mailto:[email protected]>> wrote: >> >> Hi, >> >> I have several questions regarding the AC power flow in matpower. >> >> a. I would like to know whether the AC Power Flow command ('runpf') ,when >> called, does it have any constraint to constrain the transformer power >> rating violation which is related to the real and reactive power flows into >> the transformers both at origin bus and destination bus? >> b. How to incorporate transformer's magnetizing conductance in the power >> flow equations? Or does matpower already takes care of it? ( I didn't see it >> in the matpower AC PF formulation) >> c.Is there any way to change the power balance equations at buses? Any >> matpower example or reference to the example will be greatly appreciated. >> >> d. I have observed after running a power flow, one generator's real power >> has gone below its minimum, this happens when I took one branch out to >> simulate a branch contingency event. Do you know why this is happening? I >> mean, this is violating the Pmax and Pmin constraints? >> >> Regards, >> Jubeyer >> >> >
