Oh sorry it was a silly mistake as I forgot q is represented in mvar (not var)so the value range is realistic then. Thank you Professor Zimmerman
Sent from my iPhone On 18 Sep 2012, at 18:38, Ray Zimmerman <[email protected]> wrote: > Divide by baseMVA ... (then go find a chapter in a power systems text on per > unit representations so you understand why) > > -- > Ray Zimmerman > Senior Research Associate > 419A Warren Hall, Cornell University, Ithaca, NY 14853 > phone: (607) 255-9645 > > > > > On Sep 18, 2012, at 8:15 AM, iman wrote: > >> Dear all , >> >> In Matpower cases, Q min and Q max are defined in their real value (in >> mpc.gen).for example Q max=150 and Qmin=-20.In some other programs the Qmin >> and Qmax values are repesented in Per unit i.e. Qmax = .8 and Q min = -.2 >> How can I convert the real values to their per unit in this case? >> Thank you very much >> -- >> Best regards >> Iman >> >
