Online partial discharge signal conditioning for <bold>φ</bold>–<italic>q</italic>–<italic>n</italic> representation under noisy condition in cable systems

Shahsavarian Tohid; Shahrtash Seyyed Mohammad

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Online partial discharge signal conditioning for φ–q–n representation under noisy condition in cable systems

机译：电缆系统中嘈杂条件下φ – q – n 表示的在线局部放电信号调节

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Almost all on-site measured partial discharge (PD) signals in cable networks suffer from the contributions of reflected PD pulses and noise which both decrease precision of measurement. This study explores an online digital signal conditioning procedure for PD signals being measured under noisy conditions in cable networks, that is, proposing a novel procedure for online preparing clean -- representation of PD signals with neither directly applying de-noising methods and nor requiring voltage waveform (for calculation of ). In order to demonstrate the accuracy of the results, they are compared with noise-free conditions, where successes of the proposed method have been proved.

机译：电缆网络中几乎所有现场测量的局部放电（PD）信号都会受到反射的PD脉冲和噪声的影响，这都会降低测量精度。这项研究探索了一种用于在有线网络中嘈杂条件下测量PD信号的在线数字信号调节程序，即提出一种在线准备干净的PD信号的新颖程序-既不直接应用去噪方法也不需要电压的PD信号表示波形（用于的计算）。为了证明结果的准确性，将它们与无噪声条件进行了比较，证明了所提方法的成功。

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来源
《Science, Measurement & Technology, IET》 |2015年第1期|20-27|共8页
作者
Shahsavarian Tohid; Shahrtash Seyyed Mohammad;
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作者单位

Center of Excellence for Power Syst. Autom. & Oper., Iran Univ. of Sci. & Technol., Tehran, Iran;

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原文格式 PDF
正文语种 eng
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关键词
computerised instrumentation; digital signal processing chips; electromagnetic wave reflection; partial discharge measurement; power cables; signal conditioning circuits; φ-q-n representation; PD pulse reflection; PD signal measurement; cable systems; noisy condition; online digital signal conditioning procedure; online partial discharge signal conditioning;

机译：计算机化仪表;数字信号处理芯片;电磁波反射;局部放电测量;电缆;信号调节电路;φ-qn表示;PD脉冲反射;PD信号测量;电缆系统;噪声条件;在线数字信号调节程序;在线局部放电信号调节;

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Online partial discharge signal conditioning for φ–q–n representation under noisy condition in cable systems

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