【摘要】 简述了终端用户微机保护装置的原理、功能和软硬件实现方法。该保护装置无需外接电源并能对中性点不接地系统及小电阻接地系统进行检测和保护,这为终端用户变电站及箱式变电站的保护提供了一种新型实用的解决方案。更多还原

【Abstract】 The principle, function and design of a microcontroller-based protection unit for substation and switchgear of terminal user is described in this paper. The Unit is self-powered and is suitable for the detection and protection in both neutral isolated system and neutral grounded system. It provides a novel and practical solution for terminal user of switchgear.(3.更多还原