基于单片机的电涌保护器现场检测装置的设计  

Design of Surge Protective Device Field Testing System Based on SCM

作　　者：杨增汪[1] 李祥超[2] 陈斯[1] 

机构地区：[1]徐州师范大学物理与电子工程学院,江苏徐州221116 [2]南京信息工程大学大气物理学院,江苏南京210044

出　　处：《低压电器》2010年第24期53-57,共5页Low Voltage Apparatus

基　　金：江苏省高校产业化基金(JH07-032)

摘　　要：针对电涌保护器(SPD)检测设备不便携带、无法现场检测的现状,提出一种基于单片机的便携式SPD现场检测装置的设计方案;分析了系统的工作原理,重点阐述直流高压电源、组合波发生器、直流和冲击信号测量电路;详细描述软件流程,以及实现SPD的直流参考电压、剩余电流和冲击特性的测量。测试结果表明,该现场检测装置测量精度高、稳定性好,能有效检测现场使用的SPD性能,确保低压系统和弱电系统的可靠运行。According to the present situation of Surge protective device（SPD） testing equipment unable to be carried and tested in spot,the design scheme for SPD field testing system was presented based on SCM and portability technology.The work principle of testing system was analyzed,and the hardware circuit was expounded which included high voltage DC power supply,combination wave generator（CWG）,and DC impulsive signal measurement system in particular.The software flow was described in detail.The designed system achieved SPD parameter measurement such as DC reference voltage,leakage current and impulse characteristics.Test results showed that the field testing system had high precision and good stability,and could recognize the performance of on-site SPD effectively which ensured the reliable operation of low voltage system and weak current system.

关 键 词：电涌保护器 直流高压电源 组合波发生器 现场检测 

分 类 号：TU895[建筑科学] TM863[电气工程—高电压与绝缘技术]