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一种电抗器损耗精确测量方法的研究

Lin-feng XU,Dong-bai ZHU,Qi-wu MAO, Ya-xu QU,Xiao-bo OU,Zhiqin MA

Journal of Harbin University of Science and Technology（2016）

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Abstract
通过测量电抗器的端电压和端电流,参考CPU提供的标准正弦和余弦函数,从而提取电压与电流的有功和无功分量.根据基波电压和电流的相位关系,推导出电抗器损耗计算公式.由于损耗计算值每个周期波动较大,将每周期计算结果利用巴特沃斯滤波器去抖后,实测结果表明,相角误差小于0.72度,损耗波动值小于0.2％,说明该方法切实可行,测量结果准确可靠.
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Key words
reactor,loss measurements,fundamental,butterworth filter
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