摘要
电缆在线监测对供电的可靠性有重要的意义,而现场抗干扰技术和微弱信号的准确提取是在线监测的核心技术。分析了交流叠加法在电缆在线监测中的应用原理,提出了现场信号检测的具体方案。
On-line monitoring of power cable is of an important significance for power supply reliability. And precise extraction of anti-intereference technology and weak signals are key technology of the on-line monitoring. The paper analyzes the principle of AC superposition method in the cable on-line monitoring and proposes specific scheme of site signal monitoring.
出处
《电气开关》
2009年第2期62-65,共4页
Electric Switchgear
关键词
电力电缆
绝缘
在线监测
交流电压叠加法
微弱信号
power cable
insulation
on-line monitoring
AC superposifion method
weak signal
