Study on Ultrasonic Characteristics and Sensors in Partial Discharge

被引：0
|
作者：
Zhao, Guangxing [1 ]
Yu, Qing [1 ]
机构：
[1] Anhui Univ Technol, Sch Elect & Informat, Maanshang 243002, Peoples R China
来源：
MECHATRONICS AND MATERIALS PROCESSING I, PTS 1-3 | 2011年 / 328-330卷
关键词：
Partial Discharge; Ultrasonic Characteristics; Sensor;
D O I：
10.4028/www.scientific.net/AMR.328-330.1892
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：
In partial discharge detection of transformer, supersonics detection method is applied widely. In the paper, a model of supersonics is established by MATLAB. Meanwhile, analyses about the relation between amplitude of sound pressure and discharge capacity and ultrasonic signal spectrum are implemented based on the model. By analyzing the partial discharge characteristics of ultrasonic signals, a suitable ultrasonic receiving sensor can be selected that meets the performance requirements. Therefore, detection band of sensor is determined. Meanwhile, the structure of the sensor and the selection of piezoelectric crystals are introduced in details. Finally, the design of ultrasonic receiving sensor is determined.
引用
收藏
页码：1892 / 1895
页数：4
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