测试MOA阻性电流的微机测试仪  

A Micro-computer Measuring Instrument for MOA Resistive Current Measurement

作　　者：唐炬[1] 孙才新[1] 陈明英[1] 廖瑞金[1] 

机构地区：[1]重庆大学,630044

出　　处：《高压电器》1993年第3期8-13,共6页High Voltage Apparatus

摘　　要：介绍一种应用单片计算机构成的MOA避雷器阻性电流在线测试仪,用实验室和现场测试数据与LCD-4型仪器进行了全面比较。结果表明:它在信号采集,处理和抗电磁干扰能力方面有独特之处。同时,测量的可靠性高,稳定性好,数据的准确性与LCD-4型仪器相当,能较灵敏地反映避雷器中的高次谐波分量,适合于有氧化锌避雷器的基层单位使用。A MOA resistive current on-line measuring instrument using the chip computer is described.Complete comparison between this one and type LCD-4 one is made through the experiments in the lab and in the field.Results show that it is distinctive in aspects of signal sampling,processing and anti-EM-interference.The instrument has high relibility and good stability,and can reflect sensitively higher harmonic components in MOA.Its accuracy rivals type LCD-4 instrument.It's suitable to common MOA users.

关 键 词：金属氧化物 避雷器 测试仪器 微机 

分 类 号：TM862[电气工程—高电压与绝缘技术]