【摘要】 论文主要分析了仪器仪表接地电阻测试系统的原理、设计和实现。该系统主要由接地电阻转换电路、单片机数据采集系统和PC机数据处理与显示系统构成,具有较好的人机交互界面,实现了接地电阻的实时测试与显示。该接地电阻测试系统符合IEC61010的测试标准。更多还原

【Abstract】 In this paper, a measuring system for instrument’s ground bond corresponding to standard of IEC61010 is analyzed, designed and achieved. It is composed of resistance conversion circuit, MCU data acquisition system and PC system. It achieves a realtime measurement and displays with a friendly interface.更多还原