基于Modem通信的远程电能质量参数采集系统设计

Design of Remote Power Quality Parameter Acquisition System Based on Modem Communication

为了实现电能质量参数数据可靠传输及降低运行成本,在研究Modem通信的适应性及其优点的基础上,设计了基于Modem通信的远程电能质量参数采集系统。介绍了四象限电能测量原理及其功率表达式推导,并运用ARM9作为主控芯片,以及时钟、复位等外围电路构成电能质量参数采集系统,实现了对电能数据的采集。系统具有响应速度快、时钟频率高、运行成本低等特点。本系统完成了多个变电站的通信及电能质量参数采集,运行状态好,具有很强的现实意义。

To achieve the power quality parameter data reliable transmission and reduce the operation cost, In the study of Modem communication, on the basis of adaptability and its advantages, Design a remote power quality parameter acquisition system based on Modem communication. Introduces four quadrant electricity measurement principle and its power expression is deduced, And using ARM9 as the master control chip, and peripheral circuit such as a clock and reset the power quality parameters acquisition system, realized with electric energy data collection.The system has the characteristics of fast response, high clock frequency and low running cost. This system completed a number of substation communication and power quality parameter acquisition, running condition is good, has the very strong practical significance.