基于Matlab和YALMIP的V/v型牵引供电系统负序电流优化方法

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摘要针对电气化铁路牵引供电系统负荷不对称引起的负序电流问题,本文提出一种基于铁路功率调节器补偿的负序电流优化方法。以含V/v牵引变压器的供电系统为对象,分析负序电流产生以及铁路功率调节器功率补偿的机理,构造基于铁路功率调节器功率补偿的V/v型牵引供电系统的负序电流优化模型。基于Matlab平台和YALMIP工具箱,调用IPOPT优化工具求解该模型,并通过仿真分析验证所提模型和方法的正确性和有效性。结果表明,采用铁路功率调节器功率补偿能够有效抑制牵引供电系统中的负序电流,保证了电气化铁路的电能质量。

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	张永胜

关键词 ： V/v型牵引供电系统, 电能质量, 铁路功率调节器, 负序电流优化, YALMIP工具箱

Abstract：Aiming at the negative sequence problem caused by the load asymmetry of electrified railway traction substation, a negative sequence current optimization method based on railway static power conditioner (RPC) compensation is proposed. Taking the power supply system with V/v traction transformer as the object, the principle of negative sequence current and RPC power compensation are analyzed, then the negative sequence current optimization model of V/v traction power supply system based on RPC power compensation is constructed. IPOPT optimization tool is proposed to solve the model based on Matlab platform and YALMIP toolbox, and the correctness and effectiveness of the proposed model and method are verified by simulation analysis. Resultsshow that the RPC power compensation can effectively suppress the negative sequence current in the V/v traction power supply system, and the power quality of the electrified railway can be guaranteed.

Key words： V/v railway traction power supply system power quality railway static power conditioner (RPC) negative sequence current optimization YALMIP toolbox

收稿日期: 2019-08-29 出版日期: 2020-02-27

作者简介: 张永胜（1982-）,男,安徽省宿州市人,本科,工程师,主要从事轨道交通牵引供电技术售后服务工作。

引用本文:

张永胜. 基于Matlab和YALMIP的V/v型牵引供电系统负序电流优化方法[J]. 电气技术, 2020, 21(2): 44-49. Zhang Yongsheng. Negative sequence current optimization of V/v traction power supply system based on Matlab platform and YALMIP toolbox. Electrical Engineering, 2020, 21(2): 44-49.

链接本文:

http://dqjs.cesmedia.cn/CN/Y2020/V21/I2/44

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