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Detection of power quality disturbances based on short-duration grille fractal dimension
Author(s): 
Pages: 21-23
Year: Issue:  11
Journal: JOURNAL OF NATIONAL BUREAU OF MACHINE BUILDING INDUSTRY,P.R.C.

Keyword:  电能质量扰动短时网格分形维数检测;
Abstract: 随着微处理器和电力电子等智能器件越来越多地在工业过程控制中的应用,诸如电压上升、电压下降等电能质量扰动问题已成为近年来各方面关注的焦点.对电能质量进行有效地分析和检测不仅必要而且十分迫切.为此提出用短时网格分形维数来检测电能质量扰动,并给出了短时网格分形维数的计算方法.仿真结果表明,该方法能准确有效地检测到电能质量扰动,并能精确地确定电能质量扰动的发生、恢复时刻.
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