混合式光电电流互感器数据采集系统的设计  

Design of Data Acquisition System for Hybrid Optical Current Transformer

作　　者：刘田豹[1] 方春恩[1] 李伟[1] 余建华[1] 

机构地区：[1]西华大学,四川成都610039

出　　处：《低压电器》2009年第1期25-28,共4页Low Voltage Apparatus

摘　　要：设计了一种混合式光电电流互感器数据采集系统。采用16位微功耗高速A/D芯片ADS8325及控制器件EPM240Z芯片设计了硬件电路,给出了A/D控制程序流程、仿真波形,并分析了测试结果,测量精度符合IEC0.2级标准。该系统具有低功耗、高性能及良好的电隔离性。A data acquisition system for hybrid optical current transformer was designed. The hardware circuit was designed based on 16 bit micro power consumption and high-speed chip ADS8325 and EPM240Z chip as controller. The flowchart and simulation waveforms of A/D control programs were given and the test results were analyzed. The test precision meets the IEC0.2 standards. This system features with low power consumption, excellent performance and good electric isolation.

关 键 词：光电互感器 数据采集 模数转换 

分 类 号：TM452[电气工程—电器] TP274[自动化与计算机技术—检测技术与自动化装置]