Review of Partial Discharge Activity Considering Very-Low Frequency and Damped Applied Voltage

被引：8

作者：

Niasar, Mohamad Ghaffarian ^{[1
]}

Wang, Xiaolei ^{[2
,3
]}

Kiiza, Respicius Clemence ^{[4
]}

机构：

[1] Delft Univ Technol, Dept Elect Sustainable Energy, NL-2628 CD Delft, Netherlands

[2] China Southern Power Grid, Digital Grid Res Inst, Guangzhou 510663, Peoples R China

[3] Guangdong Univ Technol, Sch Automat, Guangzhou 510006, Peoples R China

[4] Dar Es Salaam Inst Technol, POB 2958, Dar Es Salaam 2958, Tanzania

来源：

ENERGIES | 2021年 / 14卷 / 02期

关键词：

partial discharge; very low frequency method; damped AC method;

D O I：

10.3390/en14020440

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

When detecting the presence of partial discharge (PD) activity in the insulation system in high-voltage equipment, the excitation voltages at variable frequency have been widely used instead of power-frequency (50/60 Hz) sinusoidal voltage in order to reduce the charging power. This work reviews the relevant research on PD activity at very low frequency (VLF) method, including sinusoidal or cosine-rectangular voltage shape, and damped AC (DAC) method. Based on the research history and development status, some major PD characteristics, such as PD inception voltage (PDIV), PD amplitude, PD charge, PD phase-resolved pattern, and several hot issues, such as surface charge decay and statistical time lag, have been discussed. Moreover, the advantages, disadvantages, and applied conditions of two reviewed methods has been summarized. Finally, the prospects have been made on the main development trends of this research field in the future.

引用

页数：20

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