摘要
比较了声测法、差分法、电容传感器法、方向耦合传感器法、阻抗检测法和电磁耦合法在检测XLPE电缆局部放电中的优缺点,认为电磁耦合法更适合用于XLPE电缆局部放电的在线检测,并对电磁耦合传感器的研究情况进行了综述。
The advantages and the disadvantages of the methods used in detecting partial discharges in XLPE cable are compared, namely they are the acoustic method, the differential method, the capacitive sensors method, the directional coupling sensors method, the impedance detection method and the electromagnetic coupling method, the electromagnetic coupling method is considered suitable for partial discharges detection in XLPE cable, and the research status of electromagnetic coupling sensors is summarized.
出处
《华北电力技术》
CAS
2007年第11期47-51,共5页
North China Electric Power
关键词
电磁耦合
局部放电检测
传感器
electromagnetic coupling
partial discharge detection
sensor