Prospective Method for Partial Discharge Detection in Large AC Machines using Magnetic Sensors in Low Electric Field Zones

被引：0
|
作者：
Savin, S. [1 ,2 ]
Ait-Amar, S. [1 ,2 ]
Roger, D. [1 ,2 ]
Velu, G. [1 ,2 ]
机构：
[1] Univ Lille Nord France, F-59000 Lille, France
[2] UArtois, LSEE, Fac Sci Appl, F-62400 Bethune, France
来源：
APPLIED COMPUTATIONAL ELECTROMAGNETICS SOCIETY JOURNAL | 2011年 / 26卷 / 09期
关键词：
Large machine insulation aging; magnetic field sensor; partial discharge monitoring; FINITE-ELEMENT-ANALYSIS; INSULATION; GENERATOR; MOTOR;
D O I：
暂无
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 aim of the paper is to present a prospective method for on-line monitoring of partial discharge (PD) in large AC motors. The principle of this system consists to measure the weak high frequency magnetic field, due to PD, in the space between the magnetic core and the external frame of large generators. Special sensor, with a bandwidth adapted to the resonance frequencies of the machine winding, can perform such weak-field measurements. With several sensors, it will be possible to localize PD activities corresponding to insulation weaknesses.
引用
收藏
页码：729 / 736
页数：8
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