同相牵引供电系统满意优化补偿策略研究  

Research on satisfactory optimization compensation strategy of cophase traction power supply system

作　　者：魏光[1] 

机构地区：[1]中铁第一勘察设计院集团有限公司电化处,陕西西安710043

出　　处：《电源技术》2011年第10期1285-1288,共4页Chinese Journal of Power Sources

摘　　要：针对新型同相牵引供电系统中综合潮流控制器的容量优化配置问题,提出了一种满意优化补偿策略。它能实时检测出负载电流的基波正序有功分量、基波正序无功分量、基波负序分量以及谐波分量。通过给定电能质量期望参数,实时调整负序、无功以及谐波补偿度,使得综合潮流控制器容量在各电能质量补偿参数之间得到实时优化配置。在给定补偿电流参考信号的基础上,提出了变流器的单周控制策略,使得稳态与瞬态跟踪误差在一个电源周期内得到较满意得抑制。理论推导和仿真结果验证了所提方法的正确性和可行性。Considering the capacity optimal configuration problems of the IPFC（integrated power flow controller） in the cophase traction power supply system, a satisfactory optimization compensation strategy was proposed. The method could decompose the load current real-timely into fundamental positive-sequence active component, fundamental positive-sequence reactive component, fundamental negative-sequence component and harmonic component. By giving expected power quality parameters, it adjusted the compensation ratios of negative, reactive and harmonics instantaneously, so that the IPFC capacity could be allocated between power quality compensating parameters optimally and real-timely. On the base of compensation current reference signals, a converter one-cycle control strategy was proposed, which inhibited the steady and transient tracking error within one power period satisfactorily. The theoretical analysis and simulation verify the feasibility and correctness.

关 键 词：同相牵引供电系统 综合潮流控制器 满意优化补偿 电流检测 容量优化 单周控制 

分 类 号：TM922.3[电气工程—电力电子与电力传动]