Application of detection method of ultrasound and high-frequency current in partial discharge detection of 35 kV switchgear
-
摘要: 介绍了基于超声波和高频电流相结合的局部放电检测方法的基本原理、检测和判定依据。将该方法应用到某高压配电室35 kV开关柜的局部放电检修中,应用结果表明,该方法可准确判断开关柜的放电位置、放电相位、放电类型、放电强度等,并能对其趋势进行分析,为开关柜状态检修在线监测提供了有力的技术保障。Abstract: The paper introduced basic principle, detection and determinants of partial discharge detection method based on a combination method of ultrasound and high-frequency current. The detection method was applied to partial discharge detection of a high-voltage power distribution room of 35 kV switchgear and the result verified the method can accurately determine partial discharge position, discharge phase, type of discharge and discharge intensity of switchgear, and can analyze its tendency, which provides a strong technical support for online monitoring of switchgear status.
-
Key words:
- switchgear /
- partial discharge /
- ultrasonic /
- high-frequency current /
- detectio
点击查看大图
计量
- 文章访问数: 39
- HTML全文浏览量: 9
- PDF下载量: 2
- 被引次数: 0