Sorry, no development on the ZIP model recently. It still applies the same fractions to all loads.
Ray > On Jul 30, 2018, at 3:15 PM, Abhyankar, Shrirang G. <[email protected]> wrote: > > I do not know much about the TCSC modeling so you’ll need to decide what type > of model suits your needs. By default, the continuation power flow assumes > the loads are modeled as constant power injections. It also supports ZIP > loads through the options ‘exp.sys_wide_zip_loads.pw’ and > ‘exp.sys_wide_zip_loads.qw’ (see mpoption) which one can use to model > constant current and constant impedance loads. Coming back to your question: > you can either use reactance or power injection model with CPF. One catch > with the ZIP model, however, is that all loads are converted with the given > ZIP fractions. You cannot have different ZIP fractions at different buses. I > am not sure if there has been any development on this front in the recent > past. > > Shri > From: <[email protected]> on behalf of Ahmad Sadiq > Abubakar <[email protected]> > Reply-To: MATPOWER discussion forum <[email protected]> > Date: Monday, July 30, 2018 at 1:44 PM > To: MATPOWER discussion forum <[email protected]> > Subject: Re: CPF with TCSC models > > Thanks Shri. > > I guess the constant power model will be adequate with CPF right? > > I am using CPF to compute maximum loadability and determine TCSC location and > size for enhancement of this loadability. > > So question is which of this model will be adequate for my study? > > > In anticipation of your response. > Ahmad, A. S. > > On Mon, Jul 30, 2018, 6:09 PM Abhyankar, Shrirang G. <[email protected] > <mailto:[email protected]>> wrote: >> No, the power flow solution will be different for the below two cases as (1) >> behaves like a constant impedance model, while (2) is constant power model. >> >> Shri >> >> From: <[email protected] >> <mailto:[email protected]>> on behalf of Ahmad >> Sadiq Abubakar <[email protected] >> <mailto:[email protected]>> >> Reply-To: MATPOWER discussion forum <[email protected] >> <mailto:[email protected]>> >> Date: Monday, July 30, 2018 at 9:06 AM >> To: MATPOWER discussion forum <[email protected] >> <mailto:[email protected]>> >> Subject: CPF with TCSC models >> >> Hi all, >> >> I model TCSC using matpower by two approaches >> (1) Variable reactance model or >> (2) Power injection model. >> >> In steady state analysis (load flow or CPF), will these two models be >> equivalent ? especially in CPF. >> Equivalent i mean load flow results: voltage magmitude, angle and line power >> flows. >> >> I kindly request for guidance/answers. >> >> In anticipation of your responses. >> >>
