变压器星三角变换讲解VIP免费

ABCabca.b.c.ABCa.b.c.aba正序ACBa.c.b.bc负序1.星角11度接线cABCabca.b.c.ABCa.b.c.ab正序2.星角1度接线cACBa.c.b.b负序ABCabca.b.c.ABCa.b.c.正序3.星角5度接线abcACBa.c.b.b负序aacABCabca.b.c.4.星角7度接线ABCa.b.c.c负序bb正序ACBa.c.b.aca标幺值额定容量1200MVA高压侧额定电压535kV低压侧额定电压24kV高压侧额定电流1295A低压侧额定电流28868A高压侧电流3000A低压侧电流66875A标幺值2.3166标幺值2.3166500kV主变1.三角形侧AC相短路，则边界条件为ca0bb00UUIIb2b1b2b10UUII则有1b2b240j1b120ja2a1a3jeeIIIIII1b2b120j1b240jc2c1c3jeeIIIIII1b2a30j1a0j30A2A1A2jeeIIIIII1b2b30j1b0j30B2B1BjeeIIIIII1b2c30j1c0j30C2C1CjeeIIIIII三角形侧星形侧UbUb1Ub2Uc1、Ua2Ua1、Uc2UaUcb1Ib2Ia1Ia2Ic2Ic1IcIaIIB、ICA1IA2IB2IC1IB2IC1IUB1UB2UBUA2UA1UC2UC1UCIa1Ia2Ic1Ic2Ib1Ib2IcIbIC1、IC2IA1、IB2IB1、IA22.三角形侧BC相短路，则边界条件为则有1a2a021j1a120-jb2b1b3jeeIIIIII1a2a042j1a021jc2c1c3jeeIIIIII1a2a30j1a0j30A2A1AjeeIIIIII1a2b30j1b0j30B2B1BjeeIIIIII1a2c30j1c0j30C2C1Cj2eeIIIIII三角形侧星形侧IA、IBcb0aa00UUIIa2a1a2a10UUIIICUaUa1Ua2Ub1、Uc2Uc1、Ub2UbUcIa1Ia2Ic1Ic2Ib1Ib2IcIbIC1、IC2IA1、IB2IB1、IA2IA、IBICUA1UA2UAUC2UC1UB2UB1UB则有0e*ee*e2A03-j021jA103j120-jb2b1bIIIIIA1A2A30-j042j1A30j021jc2c1c313e*ee*eIIIIIII1AA0A2A1A3IIIII0B0B2B1BIIII0C0C2C1CIIII三角形侧星形侧A1A2A30-j1A30ja2a1a313eeIIIIIII星形侧A相接地UB1UB2UAUA2UA1UC2UC1IAIA1IA2、IA0IB1、IC2IB2、IC1UA0UBUCUbUa1Ub1Uc1Ua2Ub2Uc2UcUbIa1Ia2IaIb1Ib2Ic1Ic2IcUC1、UB2UA2UA1UB1、UC2IC1IC2ICIA1IA2B1IB2IBIa、IcIa2、Ic1Ib1Ib2IbIa1、Ic2UAUB、UCUa1Ua2Uc1Uc2Ub1Ub2UcUa星形侧BC相短路（接地）