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高压电器  2015 

电容分压型电子式电压互感器扰动信号测量性能仿真研究

DOI: 10.13296/j.1001-1609.hva.2015.10.014, PP. 91-96

Keywords: 电容分压型电子式电压互感器,数学模型,扰动信号,测量性能

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Abstract:

推导并建立了电容分压型电子式电压互感器(ECVT)的传递函数模型,分析了ECVT频率特性及正常测量频率范围,重点研究了其对多种暂、稳态扰动信号的测量性能。研究结果表明在正常测量频率范围内,ECVT可对多种暂态扰动信号及国标中所要求的谐波信号进行准确测量,具有良好的一次信号还原性能。

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