Effect of Rise Time on PD Pulse Features under Repetitive Square Wave Voltages

被引：130

作者：

Wang, Peng ^{[1
,2
]}

Cavallini, Andrea ^{[1
]}

Montanari, Gian Carlo ^{[1
]}

Wu, Guangning ^{[2
]}

机构：

[1] Univ Bologna, Lab Innovat Technol, I-40136 Bologna, Italy

[2] SW Jiaotong Univ, Sch Elect Engn, Chengdu 610031, Sichuan, Peoples R China

来源：

IEEE TRANSACTIONS ON DIELECTRICS AND ELECTRICAL INSULATION | 2013年 / 20卷 / 01期

关键词：

Partial discharges; converters; motor drives; magnet wire; pulse width modulated inverters; induction motors; square wave generators; UHF filters; antennas; PARTIAL DISCHARGES; FAILURE-MECHANISM; SURGE VOLTAGE; INVERTER; INSULATION;

D O I：

10.1109/TDEI.2013.6451364

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This paper focuses on the influence of repetitive square wave voltage rise time on partial discharge pulse characteristics in the ultra-high frequency range. Paerial Discharge (PD) tests on single-point contact crossed pairs were carried out using repetitive square wave voltages with a wide range of rise times, from 200 ns to 400. mu s, including also 50 Hz sinusoidal voltage waveforms. Experimental results show that rise time has a significant influence on magnitude and frequency spectrum of PD pulses. Voltages of shorter rise times generate larger PD pulses with a predominance of high frequency components in the energy spectrum. Interpretations are presented for this phenomenon.

引用

页码：245 / 254

页数：10

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