Brief Discussion on the Technique of Low-voltage Dynamic Reactive Compensation

Ma Xinhui（China Machinery TDI International Engineering Co.，Ltd.，Beijing 100083，China）

 

Abstract Generation and hazards of harmonic in power system are introduced；the advantages of using the dynamic reactive compensation device（including the main circuit and the controller）are analyzed；and the effect of suppression of harmonics by series - connected reactor before capacitor is expatiated.

Key words Harmonic    Thyristor Reactor    Reactive compensation

 

摘 要 介绍了电力系统中谐波的产生及危害；分析了使用动态无功补偿装置（包括主电路和控制器）的优势；阐述了电容器前串接电抗器来消除谐波的作用。

关键词 谐波 晶闸管 电抗器 无功补偿