I would probably use the max of the two to compute the percentage. I'm not sure there is a universally agreed upon definition for these percentages.
-- Ray Zimmerman Senior Research Associate B30 Warren Hall, Cornell University, Ithaca, NY 14853 phone: (607) 255-9645 On Jul 30, 2013, at 4:15 AM, iman <[email protected]> wrote: > Dear all, > > In most graphical power system software we see branch capacity as a constant > .e.g line 2-4: 87% > > But if you run matpowerpf you would see for a certain branch the sending ( > here bus 2) and receiving bus (bus 4) have different S (complex power) than > bus 4 to bus 2.If anybody wants to calculate the percentage of line used > capacity which of these should he refer to(16.89 or 16.43)? > > Here is the example: > > Case 30 > > From Bus Injection To Bus Injection > > > P (MW) Q (MVAr) P (MW) Q (MVAr) > > 16.07 5.21 -15.89 > -6.66 > > S=16.89 MVA S=16.43 > MVA > > Thanks > >
