电子式互感器模/数转换电路的设计与应用  

Design and Application of A/D Transformation Circuit for Electronic Transformer

作　　者：张庆[1] 

机构地区：[1]华东交通大学电气与电子工程学院,江西南昌330013

出　　处：《低压电器》2009年第14期55-59,共5页Low Voltage Apparatus

摘　　要：介绍了一种基于TI公司TMS320LF2407的DSP芯片和14 bit数据转换芯片MAX125的电子式互感器模/数转换电路设计。详细介绍了硬件和软件的实现方法,并将该设计成果应用到数字化变电站中,得到实际的运行状况。该设计可以实现多个通道同时采集,具有速度快、处理能力强以及功耗低等优点,能够满足数字化变电站监控实时性、精确性和处理算法的复杂性等要求。The design of A/D transformation circuit for electronic transformer based on DSP TMS320LF2407 of TI company and 14 bits A/D transformation chip MAX125 was introduced.The realization method of hardware and software was introduced in detail.The design achievement had been applied in the digital substation and got the operational state.The design realized multi-channels acquisition simultaneously.It had the advantages of high speed,strong processing ability and low power dissipation,and would satisfy the requests of real-time,accuracy and processing algorithm complexity for digital power substation monitoring.

关 键 词：电子式互感器 模/数转换 DSP 数据采集 数字化变电站 

分 类 号：TU855[建筑科学] TP273[自动化与计算机技术—检测技术与自动化装置]