基于嵌入式处理器的电力参数检测技术

Electric Power Parameters Measurement Technique Based on Embedded Processor

介绍了一种以32位ARM7TDMI嵌入式微处理器S3C44B0X芯片和实时多任务操作系统内核μCOS-Ⅱ为核心,结合ADS7864专用AD芯片的电力参数测量装置。介绍了一种不需新增硬件的高精度软件动态跟踪同步采样方法。详细介绍了测量装置的硬件、软件构成以及基于μCOS-Ⅱ的实时操作系统建立方法。该装置功能完善,可以方便地扩充应用于无功补偿、分布式电力监控等领域。

Introduced a measurement equipment of electric power parameter, which used the chip of S3C44BOX with 32-bit embedded processor of ARM7TDMI, real-time multitasking operation system kernel of μC/OS-Ⅱ, and A/D application-specific chip of ADS7864. Presented and implements a high-precision method of software dynamic track and synchronized sampling having no additional hardware. Particularly introduced its construction and method of constituting real-time operation system based on μC/ OS-Ⅱ. The equipment can be expediently applied in such fields as var compensating, distributed electric power monitor and control, etc.