I checked with my colleague HyungSeon Oh who has worked on this (see his paper [1]) and he claims that given a PTDF and the network topology you can calculate *relative* reactances of the lines, so you would need the reactance of at least one line to use as a reference.
[1] http://www.eng.buffalo.edu/Research/BEST/Publication/IEEE_NetworkReduction.pdf -- Ray Zimmerman Senior Research Associate 419A Warren Hall, Cornell University, Ithaca, NY 14853 phone: (607) 255-9645 On Oct 25, 2012, at 6:42 PM, [email protected] <[email protected]> wrote: > Dear Sir, > Is it possible to calculate the reactance of lines by the given PTDF matrix > of a power network? How? > Thanks and best, > > Mohsen Akbari > M.Sc. in Power Systems Engineering > Electrical Engineering Department > K.N. Toosi University of Technology > Tehran, Iran
