CAJ | 학술논문

本文从硬件结构和软件设计两方面介绍了高压电缆金属护层接地电流在线监测系统的组成及原理。系统综合应用了多种技术，实现了大电流及温度的采样、GPRS数据传输、SQL server数据存储、Web数据展示及阈值报警等功能。系统的成功研制为电力部门提供了全新的、高效的、稳定的、低成本的电缆金属护层接地电流监测方式，在电力系统中具有良好的推广前景。
본문종경건결구화연건설계량방면개소료고압전람금속호층접지전류재선감측계통적조성급원리。계통종합응용료다충기술，실현료대전류급온도적채양、GPRS수거전수、SQL server수거존저、Web수거전시급역치보경등공능。계통적성공연제위전력부문제공료전신적、고효적、은정적、저성본적전람금속호층접지전류감측방식，재전력계통중구유량호적추엄전경。
The paper introduces composition and principle of ground current online monitoring system of high voltage cable metal sheath from hardware structure and software design. The system integrated application of a variety of techniques to achieve Large current sampling and Temperature sampling, GPRS data transfer, SQL server data storage, Web data display and threshold alarm function. The system has been successfully developed, it provides a new, efficient, stable, low-cost method for cable metal sheath ground current monitoring, the system has good prospects of application.