快速响应的交交型动态电压恢复器

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摘要传统的电压源逆变型动态电压恢复器中的直流储能环节体积重量大,不易集成。交交变换技术可以省去直流环节而实现动态电压补偿,更加经济节约。虚拟整流逆变拓扑作为主电路拓扑,结构简洁,并且能够实现自然换流;单周期控制精度高,动态跟踪性能佳,控制鲁棒性好,应用于动态电压恢复器可以更好地满足动态电压恢复器特殊的快速性要求。在理论分析的基础上,研制实验样机进行了实验验证,实验结果验证了变换器的可行性以及单周期控制良好的动态特性。

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	王洁
	汤雨
	武伟
	李林林

关键词 ：交交变换, 动态电压恢复器, 虚拟整流逆变, 单周期控制

Abstract：The traditional voltage source inverter dynamic voltage restorer(DVR) has an energy storage link, and it is so large, heavy and not easily integrated. At the same time, an AC-AC DVR is more economical and without DC energy storages. The virtual rectifying and inversing topology, the structure of which is simple and able to naturally current commutate, is easily controlled and more reliable. Since that DVR has a strict demand of quick dynamic response of input disturbances, one-cycle control is chosen to control the system. The one-cycle control has a good and rapid ability of input disturbances control. Based on theory analysis, the output dynamic responses of one-cycle control are tested. And principle tests verify the feasibility of the AC-AC DVR and good dynamic performance of one-cycle control.

Key words： AC-AC converter dynamic voltage restorer virtual rectifying and inversing topology one-cycle control

收稿日期: 2012-09-20 出版日期: 2014-11-05

PACS:

TM741

作者简介: 王洁女,1988年生,硕士研究生,主要研究方向为功率电子变换；汤雨男,1980年生,博士,硕士生导师,主要研究方向为功率电子变换。

引用本文:

王洁, 汤雨, 武伟, 李林林. 快速响应的交交型动态电压恢复器[J]. 电工技术学报, 2014, 29(8): 242-247. Wang Jie, Tang Yu, Wu Wei, Li Linlin. Research on AC-AC Dynamic Voltage Restorer with Rapid Dynamic Response. Transactions of China Electrotechnical Society, 2014, 29(8): 242-247.

链接本文:

http://dgjsxb.ces-transaction.com/CN/Y2014/V29/I8/242

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