摘要
研究了阻抗匹配平衡变压器的接线和内部"阻抗匹配"特性,结合多绕组变压器的电磁耦合关系,以电磁暂态仿真软件PSCAD/EMTDC中的统一电磁等值电路(UMEC)变压器模型为基础,建立了电气化铁路牵引供电系统的仿真模型。对正常运行、故障状态、励磁涌流等情况进行了仿真和分析,仿真结果验证了该模型的正确性,对于阻抗匹配平衡变压器的现场运行具有一定的指导意义。
The connection of IMBT（impedance-matched balancing transformer） and inner impedance-matching were studied.With analyzing the relationship of electromagnetic coupling of multi-winding transformer,a traction power supply system model of electric railway was built based on the UMEC（unified magnetic equivalent circuit） transformer model of EMTDC.Simulation and analysis were carried out under normal condition,faulty condition,magnetizing inrush condition.The simulation results prove that the above model is correct and makes guidance meaning for site operation of IMBT.
出处
《电工电气》
2011年第1期13-16,共4页
Electrotechnics Electric
基金
江苏省自然科学基金项目(BK2008366)
