现代社会的迅猛发展对电能质量提出了更高要求,电能质量问题成为相关领域研究的热点。针对这一问题,近年来提出了“用户电力”等一些新概念及其新技术。动态电压恢复器(Dynamic Voltage Restorer,简写为DVR)是其中一种能够解决电压质量问题的装置。本文阐述了电能质量问题及DVR的优越性,分析并提出了考虑暂态分量时DVR补偿参考信号的检测方法。对无差拍控制方法用于动态电压恢复器逆变器控制的算法进行了理论研究以及仿真分析。根据给出的DVR主回路结构及其等值电路,对稳态时的补偿特性和参数设计进行了分析。设计了DVR检测控制电路,并结合所提方法完成了控制系统的软件设计。
【英文摘要】
Power quality problems are becoming an emphasis of related research fields nowadays due to the higher demands of social and economical development. Recently, to solve these problems, some novel concepts and their new technologies such as “custom power” have been advanced. In them, Dynamic Voltage Restorer (DVR) is a better device which can compensate voltage quality problems. In this paper, the advantages of DVR and the power quality problems are expounded, and the detecting method of DVR compensating signa...
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