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zhen kong you zai fen jie kai guan zai gao ya zhi liu huan liu bian ya qi zhong de yun yong
Author(s): 
Pages: 52-56
Year: Issue:  3
Journal: Electrical Manufacturing

Keyword:  真空有载分接开关直流变压器真空断路器高压直流输电系统变频器负荷电流过渡电阻器动力变压器开关技术开关触头;
Abstract: <正>有载分接开关是高压直流输电线路上现代化的变频变压器上不可或缺的设备。有载分接开关对系统的电压变化进行补偿,优化变频器控制角,并使低压送电成为可能。电流的非正弦波形曲线很陡,这增加了开关转换的承受负荷,开关亦因此需要超尺寸设计。
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