5- Yprimitive and Ymatrix

In this tutorial video we explain how OpenDSS builds the Y matrix of a generic system. ############ OpenDSS Code ############## // -----------------------------------------------------------------------// // Name: Paulo Radatz and Celso Rocha // e-mail: [email protected] and [email protected] // -----------------------------------------------------------------------// // -----------------------------------------------------------------------// // -----------------------------Ysystem and Yprim-----------------// // -----------------------------------------------------------------------// Clear // -----------------------------------------------------------------------// // Circuit // -----------------------------------------------------------------------// New Circuit.TheveninEquivalent basekv=115 bus1=100 // -----------------------------------------------------------------------// // Transformer 1 // -----------------------------------------------------------------------// New Transformer.t1 phases=3 windings=2 xhl=5 ~ wdg=1 bus=100 conn=delta kv=115 kva=5000 ~ wdg=2 bus=200 conn=wye kv=4.16 kva=5000 // -----------------------------------------------------------------------// // Line // -----------------------------------------------------------------------// New Line.Ln phases=2 bus1=200.1.2 bus2=300.1.2 length=0.3 units=km ~ rmatrix = (0.8261 | 0.1284 0.8226) ~ xmatrix = (0.8370 | 0.2853 0.8431) ~ cmatrix = (7.7626 | -1.4833 7.6902) // -----------------------------------------------------------------------// // Transformer 2 // -----------------------------------------------------------------------// New Transformer.t2 phases=1 windings=3 xhl=3.75 xht=3.75 xlt=2.5 ~ wdg=1 bus=300.1.2 conn=delta kv=4.16 kva=500 ~ wdg=2 bus=400.1.0 conn=wye kv=0.11 kva=500 ~ wdg=3 bus=400.0.1 conn=wye kv=0.11 kva=500 // -----------------------------------------------------------------------// // Load 1 // -----------------------------------------------------------------------// New Load.L1 phases=3 conn=wye bus1=200 kv=4.16 kw=160 kvar=110 // -----------------------------------------------------------------------// // Load 2 // -----------------------------------------------------------------------// New Load.L2 phases=1 bus1=400.1.2 kv=0.22 kw=50 kvar=10 // -----------------------------------------------------------------------// // Load 3 // -----------------------------------------------------------------------// New Load.L3 phases=1 bus1=400.1 kv=0.11 kw=40 kvar=15 Solve ################# End ################## If you have any questions regarding the content of this video, feel free to post it either on the comments or on the official Forum. OpenDSS Download: https://sourceforge.net/projects/electricdss/ Forum/Discussion: https://sourceforge.net/p/electricdss/discussion/