城市电网电容器组噪声超标原因探析  

Cause Analysis for Over-Standard Noise of Urban Grid Capacitor Banks

作　　者：金家培[1] 潘爱强[1] 周彦[2] 陈甜甜[1] 蔡阳[2] 

机构地区：[1]国网上海市电力公司电力科学研究院,上海200437 [2]国网上海市电力公司金山供电公司,上海200540

出　　处：《电网与清洁能源》2016年第10期68-72,78,共6页Power System and Clean Energy

基　　金：国家电网综合计划项目(52090016000F);电能质量大数据分析关键技术研究及应用~~

摘　　要：文中介绍了并联补偿电容器组与系统背景谐波发生谐振的发生机理,采用计算和实测方法对案例中某变电站的情况,进行了分析。对因谐振而导致电容器组中串联电抗器发生振动和噪声的现象进行了剖析,对消除振和噪声提出了改进建议,并进行了实施。对补偿电容器的投运提出了需要注意的问题。This paper introduces the mechanism of the resonance occurreuces between the harmonics of parallel compensation capacitor banks and the background harmonics of the system. Case study is made on a certain substation through calculation and measurement, and the vibration and noise of series reactors in the capacitor banks caused by the resonance are analyzed; and suggestions for eliminating the vibration and noise are proposed and then implemented. The paper also highlights some issues to which attention should be paid during commissioning of the compensation capacitors.

关 键 词：谐波 振动 噪声 电容器 

分 类 号：TM727[电气工程—电力系统及自动化]