Re: Calculating Bus Admittance Matrix

2021-05-20 Thread Ray Daniel Zimmerman
MATPOWER does not include a special function to construct bus impedance (Zbus) matrix. I’m not aware of a method that is more efficient than inverting Ybus. Ray > On May 20, 2021, at 5:17 AM, Harun Hökelek wrote: > > Dear all, > > Is there any generated function to make bus impedance (Zbu

Calculating Bus Admittance Matrix

2021-05-20 Thread Harun Hökelek
Dear all, Is there any generated function to make bus impedance (Zbus) matrix of given test cases like “makeYbus” function? It can be found by inversing Ybus, however i thought it may be provided in Matpower with the most efficent way considering computational burden. If it is not provided a

Re:A question in calculating power flow

2021-05-20 Thread yangyang
The voltage magnitude of the slack bus and PV buses is controlled by the VG column in gen field, namely, column 6 of mpc.gen. Changing column VM in mpc.bus does not change them. Best Regards, Yang Yang   -- Original -- From:

Re: A question in calculating power flow

2021-05-20 Thread Ilias Sarantakos
Hi Yan, Please try mpc.gen(6) = 1.03. Kind regards, Ilias *Dr Ilias Sarantakos* Research Associate School of Engineering Newcastle University Στις Πέμ, 20 Μαΐ 2021 στις 8:42 π.μ., ο/η 颜子恒 <220205...@seu.edu.cn> έγραψε: > Dears, > >Recently I have been confused by the voltage magnitude s

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A question in calculating power flow

2021-05-20 Thread 颜子恒
Dears, Recently I have been confused by the voltage magnitude setting in a case model. Suppose in a distribution system like 'case33bw.m', like the way I did in revising the power demand I was trying to increase the voltage magnitude of node 1(Reference node) by implementing mpc.bus(1,VM)=1.