基于V/V牵引变压器的同相供电系统电能质量混合补偿研究

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摘要为了综合补偿V/V同相牵引供电系统中的谐波,无功和负序等电能质量问题,提出了一种基于磁控静止无功补偿器(MSVC)和综合电能质量补偿器(HPQC)的电能质量混合补偿方法.通过协同控制MSVC和HPQC使得HPQC的直流电压最小,从而达到完全补偿无功,负序条件下,HPQC有源容量最小.再利用无源滤波器和HPQC有源滤波共同滤除系统中的谐波,实现对系统的负序,无功和谐波的综合补偿.另外还分析了混合补偿系统的负序,无功和谐波电流的实时检测方法,提出了HPQC和MSVC的协同控制策略,使得整个系统响应速度满足补偿要求.与传统有源补偿设备相比,降低了有源部分的补偿容量和直流电压,降低了补偿成本.仿真和实验结果验证了本文提出的混合补偿方法的有效性和可行性.

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关键词 ：同相供电系统, 电能质量, 容量优化, 协同控制

Abstract：To solve the power quality problem in V/V co-phase railway power supply system, a hybrid compensation system based on MSVC and HPQC is proposed in this paper. To minimize the capacity of HPQC, the capacity of MSVC is conducted. The harmonic current is eliminated by passive and active filters. So the negative, reactive and harmonic currents are fully compensated. Based on the instantaneous current detecting and reactive current distribution method, the collaboration control strategy is proposed. The responding speed is satisfied. Compared with traditional active compensation method, the capacity and DC voltage of active compensator are reduced. The simulation and experiment results verify the correctness of the proposed hybrid compensation system.

Key words： Co-phase power supply system Power quality Capacity optimize Collaborate control

出版日期: 2015-09-14

PACS:

TM92

基金资助:国家自然科学基金(50807041),武汉市科技攻关计划(2013- 060501010164),武汉市青年科技晨光计划(2013070104010010)和中央高校基本科研业务费专项资金资助(2014207020202)资助项目

作者简介: 张晨萌男,1988年生,湖北襄阳人,博士研究生,研究方向为FACTS设备在电力系统中的应用.陈柏超男,1960年生,湖北武汉人,博士学历,教授,博士生导师,研究方向为新型磁控技术及其在电力系统中的应用.

引用本文:

张晨萌,陈柏超,袁佳歆,钟永恒,田翠华,蔡超. 基于V/V牵引变压器的同相供电系统电能质量混合补偿研究[J]. 电工技术学报, 2015, 30(12): 496-504. Zhang Chenmeng,Chen Baichao,Zeng Wenjun,Yuan Jiaxin*. Research on a Hybrid Compensation System for V/V Co-phase Railway Power Supply System. Transactions of China Electrotechnical Society, 2015, 30(12): 496-504.

链接本文:

https://dgjsxb.ces-transaction.com/CN/Y2015/V30/I12/496

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