基于YNvd平衡变压器和综合潮流控制器(integrated power flow controller,IPFC)相结合构成的同相供电系统,在机车运行状态改变时进行了仿真分析。当同相供电系统采用传统型电流检测方法,在机车由牵引状态转变为电气制动状态时,由于传统...基于YNvd平衡变压器和综合潮流控制器(integrated power flow controller,IPFC)相结合构成的同相供电系统,在机车运行状态改变时进行了仿真分析。当同相供电系统采用传统型电流检测方法,在机车由牵引状态转变为电气制动状态时,由于传统型电流检测方法的缺陷性,IPFC直流侧电容电压会急剧上升。而基于Fryze功率定义的改进型电流检测方法则可以避免该问题,另外改进型电流检测方法可应用于部分补偿模式。仿真结果证明了改进型电流检测方法的可行性。展开更多
In order to solve negative phase sequence problem of V connection transformer in the high speed and heavy haul electrical railway of China, the hybrid compensative co-phase traction power supply system which based on ...In order to solve negative phase sequence problem of V connection transformer in the high speed and heavy haul electrical railway of China, the hybrid compensative co-phase traction power supply system which based on passive and active compensation is proposed. Firstly, There construction and capacity distribution are analyzed, and the compensation current of active equipment is gave;Second, the feature of the hybrid compensative schemes are discussed. In the end, the related simulation results have confirmed the effectiveness of the compensation schemes in this paper.展开更多
文摘基于YNvd平衡变压器和综合潮流控制器(integrated power flow controller,IPFC)相结合构成的同相供电系统,在机车运行状态改变时进行了仿真分析。当同相供电系统采用传统型电流检测方法,在机车由牵引状态转变为电气制动状态时,由于传统型电流检测方法的缺陷性,IPFC直流侧电容电压会急剧上升。而基于Fryze功率定义的改进型电流检测方法则可以避免该问题,另外改进型电流检测方法可应用于部分补偿模式。仿真结果证明了改进型电流检测方法的可行性。
文摘In order to solve negative phase sequence problem of V connection transformer in the high speed and heavy haul electrical railway of China, the hybrid compensative co-phase traction power supply system which based on passive and active compensation is proposed. Firstly, There construction and capacity distribution are analyzed, and the compensation current of active equipment is gave;Second, the feature of the hybrid compensative schemes are discussed. In the end, the related simulation results have confirmed the effectiveness of the compensation schemes in this paper.
