| Issue |
MATEC Web Conf.
Volume 63, 2016
2016 International Conference on Mechatronics, Manufacturing and Materials Engineering (MMME 2016)
|
|
|---|---|---|
| Article Number | 01017 | |
| Number of page(s) | 4 | |
| Section | Mechatronic and Application Engineering | |
| DOI | https://doi.org/10.1051/matecconf/20166301017 | |
| Published online | 12 July 2016 | |
Analysis of partial discharge Ultrasonic wave characteristic on typical Defects in GIS
1 Jiangsu Electric Power Corporation, Nanjing 211103, Jiangsu, China,
2 Guodian nanjing automation co., LTD, Nanjing 211106, Jiangsu, China,
a Corresponding author: 15105168828@163.com
For analyzing partial discharge ultrasonic wave characteristic on typical defects in SF6 gas insulation switchgear (GIS), a 110 kV GIS was taken as an object to design and simulate the typical partial discharge models in GIS. There are point electrode model on bus and cavity of GIS, floating electrode model, air interstice model in insulator, metal particle and iron core electromagnetic shock models. PD signals on different defects were thus detected with the ultrasonic method. The experimental results indicated that the ultrasonic signals of different defects showed different characteristics in waveform, amplitude and phase resolved partial discharge chart, which is helpful in PD pattern recognition for GIS.
© Owned by the authors, published by EDP Sciences, 2016
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