Contribution to the Analysis of PWM Inverter Parameters Influence on the Partial Discharge Inception Voltage

被引：29

作者：

Benmamas, Loucif ^{[1
]}

Teste, Philippe ^{[1
]}

Odic, Emmanuel ^{[1
]}

Krebs, Guillaume ^{[1
]}

Hamiti, Tahar ^{[2
]}

机构：

[1] Univ Paris 06, Sorbonne Univ, Univ Paris Sud,CentraleSupelec,UPMC,UMR 8507, Univ Paris Saclay,CNRS,GeePs Grp Elect Engn Paris, 3 & 11 Rue Joliot Curie, F-91192 Gif Sur Yvette, France

[2] Inst VEDECOM Vehicule Decarbone Communicant & Mob, 77 Rue Chantiers, F-78000 Versailles, France

来源：

IEEE TRANSACTIONS ON DIELECTRICS AND ELECTRICAL INSULATION | 2019年 / 26卷 / 01期

关键词：

electric vehicles; partial discharges; partial discharge inception voltage; windings; PWM; voltage rise time; voltage waveform; FAILURE-MECHANISM; STATOR WINDINGS; HUMIDITY;

D O I：

10.1109/TDEI.2018.007787

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：

The work presented in this paper deals with the influence of pulse width modulation (PWM) power supply parameters on the partial discharge inception voltage (PDIV). For a given system supplied using PWM, the behavior of partial discharges may be different from a classical AC or DC power supply configuration. An experimental study was conducted in order to observe changes in PDIV levels with respect to PWM parameters such as duty cycle, switching frequency and voltage rise time. Measurements were done on a simple twisted pair of enameled wires, placed inside a climatic chamber for control of the environmental conditions. The experimental results show that the PDIV depends mainly on the waveform of the voltage oscillations; a voltage oscillation with a low frequency would favor the appearance of partial discharges (PD) because the probability of the presence of an initiatory electron to initiate the discharge is higher. Moreover, the waveform shape depends mainly on the rise time of the voltage and the length of the power cable. A parameter that also has a significant effect is the duty cycle; a low duty cycle in unipolar power is favorable for the appearance of PD.

引用

页码：146 / 152

页数：7

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