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高压电器  2015 

基于MATLAB仿真的缓冲器对断路器分闸特性影响研究

DOI: 10.13296/j.1001-1609.hva.2015.12.021, PP. 120-125

Keywords: 排孔式液压缓冲器, 断路器, 分闸特性, 仿真

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Abstract:

为研究用于弹簧操动机构中的排孔式液压缓冲器结构参数对高压断路器分闸特性的影响,文中以排孔式缓冲器工作原理为基础建立了缓冲过程的数学模型,应用MATLAB对数学模型进行仿真求解。仿真所得曲线与试验曲线相吻合,证明了仿真的准确性,并依此为依据,仿真得到缓冲器在不同阻尼孔直径、不同阻尼孔位置、不同活塞与缸体配合间隙以及不同分闸弹簧刚度下对断路器分闸特性的影响,该研究为设计出满足断路器分合特性的缓冲器提供了理论指导。

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