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低压电动机综合保护器电流算法改进的研究

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摘要 在电流互感器饱和时,电流互感器二次波形畸变,电动机保护器电流判据里的傅里叶采样算法无法正确反映一次电流波形,本文使用PSCAD软件,分析了电流互感器的饱和特性对保护器的影响,提出了电流采样算法追加三采样算法的措施,通过Matlab软件证明该算法优于傅里叶采样算法,降低了电动机保护器误动或拒动率。
作者 晁淑娟 侯尹
出处 《山东工业技术》 2016年第15期180-180,共1页 Journal of Shandong Industrial Technology
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