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Waveform Model to Characterize Time-Domain Pulses Resulting in EMI on Static Energy Meters
IEEE Transactions on Electromagnetic Compatibility ( IF 2.1 ) Pub Date : 2021-04-09 , DOI: 10.1109/temc.2021.3062948
Bas ten Have 1 , Marco A. Azpurua 2 , Tom Hartman 3 , Marc Pous 4 , Niek Moonen 5 , Ferran Silva 6 , Frank Leferink 7
Affiliation  

This article presents a time-domain waveform model developed to characterize pulsed, nonlinear, current waveforms resulting in electromagnetic interference on static energy meters. The waveform model is calculated by fitting the sampled waveform data into a linear piece-wise function through a process that involves applying algorithms of pulse extraction, change-point detection, and redundancy elimination. The model is applied to data from laboratory experiments that have indicated critical current waveforms resulting in electromagnetic interference problems with static meters. Afterwards, the parameters of the modeled waveforms are calculated in order to correlate them to metering errors. The most relevant parameters that are correlated to significant errors are the maximum slope, crest factor, pulse duration, and charge. The waveform model provides an accurate description of the complex nonlinear waveforms through simplified analytical expressions that reproduce the significant features of the interfering waveforms. This waveform modeling approach could be used to standardize the artificial test signals that are representative of realistic devices and scenarios.

中文翻译:

用于表征导致静态电能表 EMI 的时域脉冲的波形模型

本文介绍了一种时域波形模型,用于表征对静态电能表产生电磁干扰的脉冲、非线性、电流波形。波形模型是通过应用脉冲提取、变化点检测和冗余消除算法的过程将采样的波形数据拟合成线性分段函数来计算的。该模型应用于来自实验室实验的数据,这些数据表明临界电流波形会导致静态仪表出现电磁干扰问题。然后,计算建模波形的参数,以便将它们与计量误差相关联。与显着误差相关的最相关参数是最大斜率、波峰因数、脉冲持续时间和电荷。波形模型通过重现干扰波形重要特征的简化分析表达式,准确描述了复杂的非线性波形。这种波形建模方法可用于标准化代表真实设备和场景的人工测试信号。
更新日期:2021-04-09
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