Why certain number of buses for standard IEEE test systems?

2015-11-24 Thread Yogess H Singh
Dear all, I am wondering if someone can explain the reason behind choosing the certain number of buses such as 9 bus, 14 bus, 39 bus and so on for the standard test systems? I know these systems represent some portions of existing power grid networks for example IEEE-14 Bus system is a portion of

Re: Different results with MATPOWER and PSAT

2015-11-20 Thread Yogess H Singh
nces are not always the same in all >> software. Also probably if the VAR limits are active for PV buses, >> different software often have slightly different algorithms for bus-type >> switching and that could affect the solution maybe? Hope this helps. >> >> Shruti >>

Different results with MATPOWER and PSAT

2015-11-19 Thread Yogess H Singh
Dear Fellow Member, I ran load flow analysis on a IEEE-14 bus system using MATPOWER, PSAT and PowerWorld. Voltage magnitudes as well as phases have slightly different values in all three tools. However, the difference is not much but I want to know what causes difference among results obtained

Re: Load flow analysis of IEEE 9 bus with wind energy

2015-10-02 Thread Yogess H Singh
MW for bus 3 means that the wind > farm is generating 20 MW. Also, if the wind farm is comprised of > induction wind turbines, you can model any reactive power consumprtion > by defining "Qd" as a positive quantity. > > Check the attached "case_simple_wind.m" file &g