基于新型多MCU系统的多功能电能表的设计

Design of Multifunction Electric Energy Meters based on a new MCU System

针对谐波条件下电能计量和质量监测对数据采集和处理的高速实时性需要,在与双口RAM及串行通信的多MCU系统对比基础上,提出了一种基于I2C总线的多MCU系统构造方法,并用这种方法设计了多功能电能表。分析表明这是一种接线简单、数据保护可靠并且效率高的多MCU系统构建方法,适用于对数据处理实时性和可靠性要求高的场合。

To cope with the requirement of the high speed real-time data acquisition in electric energy metering and quality monitoring under the harmonic pollution condition , this paper puts forward an I^2C Bus Based on Multiple Micro-programmed Control Unit System construction method compared with the Dual-port Ram based on MCU System .The design of muhifunction electric meters with this method is provided as well. Analysis demonstrates there are so many advantages such as simple connection , data security , and high efficient performance with the construction method , which is suitable for the case of high speed real-time data acquisition and credibility.