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电力系统电磁环境非常恶劣,因而电力系统所应用的电力电子装置的电磁兼容问题越来越受到重视。电能质量调节装置动态电压调节器(DVR)就是一种应用于输配电系统的电力电子装置。文中分析了DVR的电磁干扰源和耦合通道,介绍了DVR避免干扰和抑制干扰的几种方法。这些方法经实践证明是可行和有效的,而且对应用于电力系统中的其他电力电子装置的电磁兼容设计也具有借鉴作用。
The electromagnetic environment of the power system is very poor, so the electromagnetic compatibility problem of the power electronic devices used by the power system is paid more and more attention. Power quality regulator Dynamic voltage regulator (DVR) is a power transmission and distribution system used in power electronics. In this paper, the electromagnetic interference sources and coupling channels of DVR are analyzed, and several methods to avoid interference and suppress interference of DVR are introduced. These methods have proved to be feasible and effective in practice, and can also be used for reference to the electromagnetic compatibility design of other power electronic devices used in the power system.