I'm not sure what you are referring to by "linearized ACOPF codes … that produce a global optimum". But, by definition, a global optimum cannot be of lower quality than a local optimum.
-- Ray Zimmerman Senior Research Associate 419A Warren Hall, Cornell University, Ithaca, NY 14853 phone: (607) 255-9645 On May 1, 2013, at 5:33 PM, Aftognosia Aftognosia <[email protected]> wrote: > Dear Dr Zimmerman, > > There are linearized ACOPF codes , that solve the ACOPF and produce a global > optimum. > Matpower however, using the Interior Point Method, produces a local optimum > to the solution. > > May I ask you, which one produces a solution of higher quality? > > > Thank you > > > > > > > > From: Ray Zimmerman <[email protected]> > To: MATPOWER discussion forum <[email protected]> > Sent: Wednesday, May 1, 2013 5:32 PM > Subject: Re: areas > > It has no effect whatsoever on the power flow results. It can simply be > useful for manipulating data or reporting data by region. > > -- > Ray Zimmerman > Senior Research Associate > 419A Warren Hall, Cornell University, Ithaca, NY 14853 > phone: (607) 255-9645 > > > > > On May 1, 2013, at 9:13 AM, angelina sirri <[email protected]> wrote: > >> Dear Dr Zimmerman, >> Could you please explain to me how the division of the system in areas, in >> case ieee24 and generally all cases, affects the power flow and the >> reliability analysis? >> Regards, >> Angelina > > >
