This is the power injected into the system by the line charging shunt admittance portions of the branch model (see Fig 3-1 in the manual). It should be non-zero only if the BR_B column (col 5) of the branch matrix is non-zero.
-- Ray Zimmerman Senior Research Associate 419A Warren Hall, Cornell University, Ithaca, NY 14853 phone: (607) 255-9645 On Jan 17, 2012, at 9:19 AM, Boris Penaloza wrote: > Hi peers, > Im currently using matpower for my thesis. The opfs simultations are running > quite well, however, I have a question --> what does the term Branch charging > (inj) in the system summary report means? I am normally getting -0.6 and -0.8 > Mvar. > > Converged in 0.31 seconds > Objective Function Value = 58.86 $/hr > ================================================================================ > | System Summary > | > ================================================================================ > > How many? How much? P (MW) Q (MVAr) > --------------------- ------------------- ------------- ----------------- > Buses 16 Total Gen Capacity 9.0 -3.0 to 3.0 > Generators 12 On-line Capacity 9.0 -3.0 to 3.0 > Committed Gens 12 Generation (actual) 2.2 3.0 > Loads 1 Load 2.2 2.3 > Fixed 1 Fixed 2.2 2.3 > Dispatchable 0 Dispatchable -0.0 of -0.0 -0.0 > Shunts 0 Shunt (inj) -0.0 0.0 > Branches 15 Losses (I^2 * Z) 0.01 0.01 > Transformers 0 Branch Charging (inj) - -0.6 > Inter-ties 0 Total Inter-tie Flow 0.0 0.0 > Areas 1 > thanks for your help
