【摘要】 文章阐述了电量录波仪在电力系统中的作用,分析了传统电量录波仪存在的问题。以DSP和CPLD为基础,设计出一种新型的多路同步高速数据采集电量录波系统,与传统的电量录波仪比较,它具有采集精度高、采集速度快等特点,并且采用USB进行转存,使得转存速度提高。本系统可以方便地扩展采集路数,这一特点对电力系统的扩容具有普遍的现实意义。更多还原

【Abstract】 The paper introduces the function of electric power recorder in electric power system,and discusses its existing problems.Based on DSP and CPLD,a new system is designed with the advantages of higher sampling rate and precision compared with the traditional one.This system stores data through USB so as to increase the storage speed.It can also expand sampling channels easily.This feature has a general meaning for capacity expansion in electric power system.更多还原