Re: How to find max-load ability for each bus of power system

2017-11-30 Thread Electric
. <abhy...@anl.gov> wrote: > > > > > > > *From: *<bounce-122089986-73493...@list.cornell.edu> on behalf of > Electric <electricaltranslat...@gmail.com> > *Reply-To: *MATPOWER discussion forum <matpowe...@list.cornell.edu> > *Date: *Thursday, No

Re: How to find max-load ability for each bus of power system

2017-11-30 Thread Electric
ter/maxloadlim/manual/maxloadlim_manual.pdf> > . > >Ray > > > On Nov 28, 2017, at 5:45 AM, Electric <electricaltranslat...@gmail.com> > wrote: > > Thank you for your informative answer. If I only increase the load at a > single bus, *i*, in the target case, does Max lambda

Re: what are the differences between setting a non-voltage controlled Gen as negative demand in bus struct or in gen struc?

2017-11-28 Thread Electric
Thank you Ray. On Tue, Nov 28, 2017 at 5:32 PM, Ray Zimmerman <r...@cornell.edu> wrote: > There should be no difference in the solution. > >Ray > > > > On Nov 24, 2017, at 12:30 AM, Electric <electricaltranslat...@gmail.com> > wrote: > > > &

Re: How to find max-load ability for each bus of power system

2017-11-28 Thread Electric
t; From your question, it seems like you want to increase the load at a > single bus. For this, you merely need to modify the load for the given bus > in the targetcase data and run the CPF. > > > > Shri > > *From: *<bounce-122078874-73493...@list.cornell.edu> on behalf of >

Re: How to find max-load ability for each bus of power system

2017-11-27 Thread Electric
e to do that - LQP, FVSI, LCPI etc. > > You can email me personally for more details. > > > Thanks > > On Mon, Nov 27, 2017 at 5:19 AM, Electric <electricaltranslat...@gmail.com > > wrote: > >> I am interested to find the max load-ability at each bus in order to fi

Fwd: How to find max-load ability for each bus of power system

2017-11-27 Thread Electric
I am interested to find the max load-ability at each bus in order to find the most critical buses in a power system in aspect of voltage stability. How is it doable? I thought of cpf, but it merely returns the max lambda which is an index for whole system.

How to find max-load ability for each bus of power system

2017-11-27 Thread Electric
I am interested to find the max load-ability at each bus in order to find the most critical buses in a power system in aspect of voltage stability. How is it doable? I thought of cpf, but it merely returns the max lambda which is an index for whole system.

Book, Tutorial or video series

2016-02-26 Thread Electric
Dear MATPOWER forum members. I am wonder if there is any self learning media for mastering in MATPOWER, apart from the existing tutorial by Ray. The video books are very famous these days. It would be nice if some experts in this forum start broadcasting the MAPOWER training and solve some real

OPF with Interior-point or SQP

2015-05-17 Thread Electric
Dear Ray et al. Around a month ago, I wrote some questions regarding to implementing of my own OPF ( congestion management) and used your valuble advices. Finally I wrote it successfully and it works very well using fmincon within sqp algorithm. However, the sqp algorithm is so slow.

Re: How to verify the feasibility of your solution without running Power flow?

2015-04-23 Thread Electric
at 2:40 AM, Electric electricaltranslat...@gmail.com wrote: Dear Ray et al Thank you for your earlier answer. Returning to my original question, Implementing line loading constraints in for own method, I have tried to obtain the line loading equations and compare them with MATPOWER results

Re: How to verify the feasibility of your solution without running Power flow?

2015-04-22 Thread Electric
N in two blocks, stacked vertically, one for your f1 and one for your f2. -- Ray Zimmerman Senior Research Associate B30 Warren Hall, Cornell University, Ithaca, NY 14853 USA phone: (607) 255-9645 On Apr 16, 2015, at 1:04 PM, Electric electricaltranslat...@gmail.com wrote: Dear Prof

Re: How to verify the feasibility of your solution without running Power flow?

2015-04-16 Thread Electric
of unit i and S[i] is its corresponding sensitivity to the stability margin. Your help is much appreciated. On Fri, Apr 10, 2015 at 9:11 PM, Electric electricaltranslat...@gmail.com wrote: Dear Prof Ray and Shiri Thank you so much for your help. I am going to study opf_consfcn() http

How to verify the feasibility of your solution without running Power flow?

2015-04-09 Thread Electric
I am using an algorithm that changes the amount of demand and generation at each bus (Pd,Pg) to mitigate over load of lines and enhance the security. The output of my algorithm (Pd,Pg) must be checked to insure that they are feasible. So, it is obvious that by assigning this new calculated

Re: How to verify the feasibility of your solution without running Power flow?

2015-04-09 Thread Electric
[ bounce-119032919-33970...@list.cornell.edu] on behalf of Electric [ electricaltranslat...@gmail.com] *Sent:* Thursday, April 09, 2015 3:18 PM *To:* MATPOWER discussion forum *Subject:* How to verify the feasibility of your solution without running Power flow? I am using

Re: How to update generators active power and demands Active power in each iteration

2015-04-06 Thread Electric
, constraints and costs? Ray On Apr 6, 2015, at 11:48 AM, Electric electricaltranslat...@gmail.com wrote: Dear Professor Zimmerman Many thanks for your time and feedback. Sorry for the following long message. I've tried to shorten it as much as possible. Regarding to your earlier reply

Re: How to update generators active power and demands Active power in each iteration

2015-04-06 Thread Electric
branch, would cause problems. Of course, there is no way for me to know if the updates to X produced by your algorithm make sense or lead to a convergent solution. Ray On Apr 3, 2015, at 11:17 PM, Electric electricaltranslat...@gmail.com wrote: Dear Manish Thapa No. This is not about

How to update generators active power and demands Active power in each iteration

2015-04-03 Thread Electric
I am running a Multi Objective Mathematical Programming (MMP) method to remove congestion (overloading of lines) in a power system. The objective function, and all constraints apart from one of them i.e, loading of lines, are scripted in Matlab, But I am using Matpower to consider loading of lines

Re: How to update generators active power and demands Active power in each iteration

2015-04-03 Thread Electric
the lines loading inequality constraint. So I have to update the design vector in each iteration. On Sat, Apr 4, 2015 at 4:04 AM, Manish Thapa thapamanish...@gmail.com wrote: Are you trying to model sort of a battery with this? On Sat, Apr 4, 2015 at 2:34 AM, Electric electricaltranslat...@gmail.com