软件同步采样技术在电能计量中应用  

Application of software synchronous sampling in electric power measurement

作　　者：林伟斌[1] 刘永强[1] 

机构地区：[1]广州华南理工大学电力学院,510640

出　　处：《微计算机信息》2007年第03Z期150-152,共3页Control & Automation

基　　金：广东省工业攻关项目(NO.2004A10502001;003049)

摘　　要：根据电能计量的实际需要,分析了采用软件实现同步交流采样的工作原理。结合DSP技术给出一种基于TMS320LF2407a芯片和MAX125的软件同步采样处理系统的硬件实现方案及软件设计思想,可减少硬件的复杂度的同时保证检测精度。最后,讨论了系统抗干扰设计。According to the practical requirements of electric power measurement, the principle of software synchronous sampling technologies is analyzed. The hardware implementation scheme and software design idea are proposed, which are based on the digital signal processor TMS320LF2407a and MAX125. Applying this technology can lower the complexity of hardware while the measuring accuracy ensured. And the design of the system anti-jamming is also discussed.

关 键 词：交流同步采样 DSP MAX125 谐波分析 抗干扰 

分 类 号：TP274[自动化与计算机技术—检测技术与自动化装置] TM933[自动化与计算机技术—控制科学与工程]