基于ARM技术的小电流故障选线装置

Non-effectively grounded system fault line detection instrument based on ARM

根据故障选线的准确性和快速性对硬件系统的要求,提出了一种基于ARM(Advanced RISC Machines)技术的软硬件平台。装置采用32位嵌入式ARM微处理器LPC2214作为装置的控制核心。为提高选线方法适应性,软件算法将多种选线方法结合在一起,运用模糊理论实现综合决策,得到综合智能选线结果。该平台充分利用了ARM处理器出色的实时中断响应和快速的运算速度,很好地实现了综合智能选线算法。现场运行结果表明,该装置运行稳定,选线快速可靠,适应性强,具有良好的性价比,是小电流接地系统中一种实用的选线装置。

A design of hardware and software platform based on ARM（Advanced RISC Machines） meeting to the requisition of reliability and rapidity in fault line detection is presented. ARM processor LPC2214 with low power consumption makes the controlling core of this device. The software algorithm called integrated criterion of this device integrates several line detection methods to improve adaptability of the device. The advantages of ARM, excellent real time interrupt response and high calculating speed, make the synthetical intellective algorithm to be fast processed in time. The operation results show that this platform has good running stability, high adaptability and fault detection is fast and reliable, which may become an ideal earth-fault detection platform for its better performance-price ratio.