基于DSP+CPLD杆塔冲击接地电阻测量仪设计和实现  

Design and Realize of Measuring Instrument for Tower Impulse Grounding Resistance Based on DSP+CPLD

作　　者：周力行[1] 王允龙[1] 朱珺玮[1] 邹一梅[1] 陈佩瑶[1] 陈伟图[1] 

机构地区：[1]长沙理工大学电气与信息工程学院,长沙411101

出　　处：《电瓷避雷器》2011年第4期68-72,77,共6页Insulators and Surge Arresters

基　　金：湖南省自科基金项目(编号:10JJ5059)

摘　　要：研制了一种直接测量杆塔冲击接地电阻的仪器,本装置对电压电流通道进行同时采样,运用了TI公司DSP芯片TMS320LF2407A和可编程的复杂逻辑器件MAX7128AE作为主控芯片,同时在外面扩展了1M字的FLASHROM。并对测量方法的理论基础进行了介绍,通过实测,验证了该测量仪的准确性。The instrument which can measure the impulse grounding resistance directly is designed. The measuring instrument uses the advaced DSP TMS320LF2407A and complex programmable logic device MAX7128AE that are made by TI company as the main chip collects the voltage and current signels at the same time, while the device extends 1M words FLASHROM outside. The theoretical basis of measurement methods is introduced and the accuracy of the device is verified by actual measurement.

关 键 词：冲击电流 硬件设计/采集板 震荡电路 

分 类 号：TM862[电气工程—高电压与绝缘技术]