Sir I tried again to see if am making a mistake in using makePTDF..but its again giving me the same ans and not a single change is there in result. Please if anyone can give me the reason behind it i'l be very thankful. Thank y
On Wed, Mar 12, 2014 at 10:22 AM, Jaimini Gohel <[email protected]> wrote: > Sir there is no specific error that it displays..it just gives me the same > ans every time i run it with any loadcase as in changed data. I tried to > see again if am doing or entering wrong arguments but I couldn't figure > out. What I did was I ran a generator outage case, an increased load case > and the normal standard data case (say 6 bus system), and all of them gave > me the same result. Why is it not giving any difference between its > answers? Will appreciate a quick response. > Thank you for your time sir. > > > On Tue, Mar 11, 2014 at 7:25 PM, Ray Zimmerman <[email protected]> wrote: > >> There is no way for us to guess without specifics of the error message >> and the inputs that are producing it. >> >> -- >> Ray Zimmerman >> Senior Research Associate >> B30 Warren Hall, Cornell University, Ithaca, NY 14853 >> phone: (607) 255-9645 >> >> >> >> On Mar 11, 2014, at 8:20 AM, Jaimini Gohel <[email protected]> wrote: >> >> Hello, >> Can someone please tell me why makePTDF is not taking any loadcase >> data..the one that I want to run and not the standard figures? Whenever I >> try to it gives me error >> >> >> On Sun, Mar 2, 2014 at 10:53 PM, Jaimini Gohel <[email protected]>wrote: >> >>> thank you so much for your timely help. >>> >>> >>> On Sun, Mar 2, 2014 at 9:06 PM, Jovan Ilic <[email protected]> wrote: >>> >>>> >>>> Jaimini, >>>> >>>> Reading the help (>> help makePTDF) and an example is probably the best >>>> answer here: >>>> >>>> case4gs = loadcase(case4gs) >>>> >>>> >> makePTDF(100,case4gs.bus,case4gs.branch,1) >>>> >>>> ans = >>>> >>>> 0 -0.7325 -0.1975 -0.5350 >>>> 0 -0.2675 -0.8025 -0.4650 >>>> 0 0.2675 -0.1975 -0.5350 >>>> 0 -0.2675 0.1975 -0.4650 >>>> >>>> >> makePTDF(100,case4gs.bus,case4gs.branch,2) >>>> >>>> ans = >>>> >>>> 0.7325 0 0.5350 0.1975 >>>> 0.2675 0 -0.5350 -0.1975 >>>> -0.2675 0 -0.4650 -0.8025 >>>> 0.2675 0 0.4650 -0.1975 >>>> >>>> >>>> >>>> >>>> On Sun, Mar 2, 2014 at 3:33 AM, Jaimini Gohel <[email protected]>wrote: >>>> >>>>> I am having a rough time using makePTDF function..every time I try to >>>>> use that I get the same error saying it has prob in identifying the slack >>>>> bus and bus type. can anyone please guide me as to how do i use this >>>>> function? I did read the manual n help instriuctions too and tried to >>>>> follow them but I guess am not able to interpret those help instructions >>>>> correctly. Please guide me on this. I'd appreciate a quick response. Thank >>>>> you >>>>> >>>> >>>> >>>> >>>> -- >>>> A pessimist is an optimist with experience. >>>> >>> >>> >> >> >
