Research on power quality control of coal mine power grid

被引：0
|
作者：
Xu, Xiangzheng [1 ]
机构：
[1] East China Jiao Tong Univ, Sch Elect & Automat Engn, Nanchang 330013, Jiangxi, Peoples R China
来源：
AGRO FOOD INDUSTRY HI-TECH | 2017年 / 28卷 / 01期
关键词：
Coal mine; power grid; power quality; harmonic suppression; reactive power compensation;
D O I：
暂无
中图分类号：
Q81 [生物工程学（生物技术）]; Q93 [微生物学];
学科分类号：
071005 ; 0836 ; 090102 ; 100705 ;
摘要：
In this study, a comprehensive compensation scheme of injection-mixed filter and magnetic control reactor is presented. In accordance with the size of the load of the coal mining area, the reactive power is compensated by the magnetic control static var compensator, which is composed of the MCR and the fixed capacitor group. Using the injection-hybrid filter reduces the harmonic distortion rate of the coal mine power grid and eliminates the odd harmonics generated by the MCR itself. The simulation experiments show the power factor of the substation that is approximately 0.9709 and harmonic current distortion rate is approximately 0.35%. Therefore, injection-type hybrid-active power filter and magnetically controlled reactor comprehensive compensation scheme improves the power quality as well as the reliability of a coal mine power supply system.
引用
收藏
页码：1690 / 1694
页数：5
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