基于DSP的电网频率测量设计

根据电网频率和DSP的特点,设计了基于DSP芯片TMS320LF2407A和锁相环技术的电网频率测量模块.在简单介绍该模块的核心器件TMS320LF2407A和锁相环技术的基础上,详细阐述了该模块的各部分硬件电路,包括总体设计以及各组成部分电路,重点介绍了锁相环接口电路.实验结果表明,该模块测量快速、结果精确,可以对电网频率进行快速、准确的测量,具有可靠性高、速度快等特点.

Design of power network frequency measurement based on DSP

According to characteristics of power network's frequency and DSP,this paper designed power network frequency measurement module based on the DSP chip TMS320LF2407A and phase-locked loop technology.First,the nuclear parts TMS320LF2407A and Phase-Locked Loop technology were briefly introduced.Then each part of hardware electric circuit of the module was introduced,including the total design and each part circuit of the module.And then the hardware circuit of Phase-Locked Loop was mainly introduced.The test results indicate the module can quickly and accurately measure.And this module can measure the frequency of power network quickly and accurately and it has the characters of high reliability and speed and so on.