直流绝缘故障检测智能传感器系统

为实现直流供电系统中的绝缘故障检测,研制了一种以AVR单片机为核心的智能传感器系统。该系统利用电磁感应原理检测直流供电系统中电气负载馈电回路的不平衡电流,实现了对电气负载绝缘故障的检测。经过现场测试,该智能传感器系统具有低功耗、高可靠性和易使用的特点,试验结果表明:系统达到了检测准确度要求。

Intelligent sensor system for DC insulation failure detection

In order to realize insulation failure detection in DC supply system,an intelligent sensor system based on AVR single chip processor is introduced, which can detect the imbalanced current of the loop circuit in DC supply system by the principle of electromagnetics and measure load insulation failure. The system possesses characteristics of low power dissipation, high reliability and being easy to use. Practical experiments show the intelligent sensor system could meet the demands of detection accuracy.