In power flow analysis, generators are modeled as current injections. At steady state generator active power is kept constant by controlling the turbines. Voltage magnitude is maintained constant by controlling the reactive power injections. Of course, both voltage magnitude and active power can only be kept at a certain range as determined by the generator reactive power capability curve.
On Mon, Aug 20, 2012 at 12:40 AM, Richard Ngonga <[email protected]>wrote: > > Hi there, > > I am working on a thesis on reactive power control on a distributed > network with transformers and PV generators. Can I model the PVs as > generators on a PV bus or should I model them as capacitors on a PQ bus? > I'm also having problems modelling transformers from a 20KV network to a > 0.4KV network; when I use the transformer ration 50 I get very large power > flows and losses. The transformer data is: Sn 400KVA, Usc=10%, > Uprm/Usec=20/0.4(KV) and Usec set=1.05. > > Regards > > > >
