Hello.. Thank you very much for your kind response. I using MATPOWER for the kind of Continuous Power Flow(CPF) with IEEE 33 bus system.
In CPF 'cpf.plot.bus' option is there, is it possible to plot (lembda-V) curve for 2 or 3 buses in same figure? On Monday, December 10, 2018, Ray Zimmerman <r...@cornell.edu> wrote: > I am not aware of any reason to assume that a nose curve should have any > particular shape … in particular, that it should decrease when moving > toward zero on the lower branch. Off the top-of-my head I can’t give a good > intuitive explanation of the difference between a nose-curve that does and > another that does not. Maybe someone else here has some intuition about > that. > > Ray > > > On Nov 30, 2018, at 8:57 PM, pravin dangar <dangarpravi...@gmail.com> > wrote: > > > Pravin B. Dangar > ME Sem-III > Electrical Engineering Department > Shantilal Shah Engineering College, Bhavnagar > Gujarat > Hello, > P-V curve obtained from given code > clc; > clear all > define_constants; > mpopt = mpoption('out.all', 0, 'verbose', 2); > mpopt = mpoption(mpopt, 'cpf.stop_at', 'FULL', 'cpf.step', 0.2); > mpopt = mpoption(mpopt, 'cpf.plot.level', 2); > mpcb = loadcase(case33bw); % load base case > mpct = mpcb; % set up target case with > mpct.gen(:, [PG QG]) = mpcb.gen(:, [PG QG]) * 1; % increased generation > mpct.bus(:, [PD QD]) = mpcb.bus(:, [PD QD]) * 3.62; % and increased load > results = runcpf(mpcb, mpct, mpopt); > > After a critical point,* why they move *upward instead of down side? > > > -- Pravin B. Dangar ME Sem-III Electrical Engineering Department Shantilal Shah Engineering College, Bhavnagar Gujarat