Development of Three-phase Intelligent Composite Switch in Reactive Power Compensation

被引：0
|
作者：
Chen Zhongren [1 ,2 ]
Wang Hui [1 ]
Xu Pingfan [1 ]
机构：
[1] Zhongshan Polytech, Zhongshan, Peoples R China
[2] South China Univ Technol, Guangzhou, Guangdong, Peoples R China
来源：
2010 ASIA-PACIFIC POWER AND ENERGY ENGINEERING CONFERENCE (APPEEC) | 2010年
关键词：
reactive power compensation; intelligent; composite switch;
D O I：
暂无
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
this intelligent composite switch is designed to overcome some application problems of mechanical switches and thyristor switches. The composite switch is composed of thyristors and general contactors and has two main advantages. Firstly, it can suppress capacitor inrush current through switching capacitors on crossing voltage zero or current zero. Secondly, heat loss caused by long-time conducting of thyristors can be reduced, and this is helpful for energy saving of switch itself. The hardware design & software design of the switch is given. Observing the device operating for a long time, we could safely conclude that the operation is meeting the standard and satisfying.
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页数：4
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