Thank you sir for answering my question.
--- On Mon, 10/6/08, Ray Zimmerman <[email protected]> wrote: > From: Ray Zimmerman <[email protected]> > Subject: Re: loss equation > To: "MATPOWER discussion forum" <[email protected]> > Date: Monday, October 6, 2008, 12:14 PM > If you are referring to the quantity that is printed as the > "Losses > (I^2 * Z)" in the output, for each branch it is > computed as, > > loss = (Vf / tap - Vt) ^ 2 / (R + j X) > > where Vf and Vt are the complex voltages at the > "from" and "to" ends > of the branch, R and X are the series resistance and > reactance of the > branch, and tap is the tap ratio for a transformer (1 > otherwise). This > should give the losses in the series portion of the > pi-model for the > branch. It does not include the shunt portions used to > model line > charging. > > -- > Ray Zimmerman > Senior Research Associate > 428-B Phillips Hall, Cornell University, Ithaca, NY 14853 > phone: (607) 255-9645 > > > On Oct 6, 2008, at 6:44 AM, jigna pandya wrote: > > > hello everybody, > > i want to know that which method has been used to find > active power > > loss and reactive power loss in N-R power flow method > in matpower? > > > > thanks in advance > > > > > > > >
