I have one more query. I have set the limit of voltage in the case. If any voltage violates its limits after running the Power flow. What is the need of putting the limit in the case, if it is exceeding its min nad max mimit?
On Wed, May 17, 2017 at 3:14 PM, Bone, Gorazd <[email protected]> wrote: > There are a few ways to calculate the taps/phases as far as I know, but I > was unable to find some method that is very distinguished and well > established. One of the method that I found is attached in the pdf, you can > download the pdf or google "Duško Nedič Tap adjustments". > > We are currently working on a method right now in our lab and, since we > will be using MatPower, will be able to provide it once its finished. > ------------------------------ > *Od:* [email protected] [ > [email protected]] v imenu Akash Tyagi [ > [email protected]] > *Poslano:* 17. maj 2017 10:55 > > *Za:* MATPOWER discussion forum > *Zadeva:* Re: Setting the initial values for the variables? > > then how we can calculate the tap settings? > Is there any way to calculate the transformer tap settings? > > > On Wed, May 17, 2017 at 2:21 PM, Bone, Gorazd <[email protected]> > wrote: > >> The tap settings are provided in the case data. Look at the mpc.branch. >> There you provide all the branch data, including taps and phases of >> transformers. >> >> MatPower however does not calculate the taps, if this is what you're >> asking. You must provide the taps. >> >> >> ------------------------------ >> *Od:* [email protected] [ >> [email protected]] v imenu Akash Tyagi [ >> [email protected]] >> *Poslano:* 17. maj 2017 10:44 >> *Za:* MATPOWER discussion forum >> *Zadeva:* Re: Setting the initial values for the variables? >> >> Hello everyone, >> Is there any option in MATPOWER to set the transformer tap settings, and >> if it is then how we can set the settings and after running power flow, how >> these settings are extracted from the results? >> Please help. >> >> On Wed, May 17, 2017 at 12:10 PM, Bone, Gorazd <[email protected]> >> wrote: >> >>> That's really simple. Thank you. >>> >>> >>> ------------------------------ >>> *Od:* [email protected] [ >>> [email protected]] v imenu Ray Zimmerman [ >>> [email protected]] >>> *Poslano:* 16. maj 2017 21:10 >>> *Za:* MATPOWER discussion forum >>> *Zadeva:* Re: Setting the initial values for the variables? >>> >>> Since the results struct is a super-set of the input mpc, you can just >>> use it directly as input. >>> >>> E.g. >>> >>> r1 = runpf(mpc); >>> r2 = runpf(r1); >>> >>> When in doubt … just try it ;-) >>> >>> Ray >>> >>> >>> On May 16, 2017, at 5:58 AM, Bone, Gorazd <[email protected]> >>> wrote: >>> >>> Hello >>> >>> I wonder if it is possible to input the initial conditions of one load >>> flow calculation into another load flow calculation. >>> In trying to develop a method that calculates the taps and phases of >>> transformer, so I have to repeatedly perform Load Flow calculations one >>> after another and iterate the changes in taps and phases. I believe it will >>> be faster if I the results from one iteration are used as initial values in >>> the concurrent iteration. I was wondering if there is a built in way to do >>> that and if not, how can I do it. >>> >>> Regards, Gorazd >>> >>> >>> >> >
