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Online Evaluation Method of Metering Device Running State Based on Similarity

机译:基于相似度的计量装置运行状态在线评估方法

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For 10kv integrated metering device, only cyclical replacement of the electricity meter will not guarantee the efficient and accurate operation of the metering device. However, for the overall integrated metering box disassembly there are some problems, such as large quantity of work and difficulties in determining the substitution cycle. In this paper, through the online measurement of dynamic load variation parameters of power grid, the problems of dynamic trend change of electric energy is transformed into the problem of pattern distance in space. And then use dynamic time warping algorithm for similarity recognition of sequence patterns to determine the power similarity level. The comprehensive evaluation of the running state of the integrated electric energy metering device is realized. The results of laboratory test data proved the feasibility of this method.
机译:对于10kv集成计量设备,仅定期更换电表将无法保证计量设备的有效和准确运行。然而,对于整体集成的计量箱的拆卸,存在一些问题,例如大量的工作和确定替换周期的困难。通过在线测量电网动态负荷变化参数,将电能的动态趋势变化问题转化为空间模式距离问题。然后使用动态时间规整算法对序列模式进行相似度识别,以确定幂相似度。实现了对集成电能计量装置运行状态的综合评估。实验室测试数据的结果证明了该方法的可行性。

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