多通讯接口电力机车智能电度表系统的设计和应用

Design and Application of Multi-communicated Port's Intelligent Power Meter for Electric Locomotives

针对目前国内电力机车电度表的应用现状和使用要求,提出一种采用ATT7022A进行电力机车单相有功无功测量,并实现多接口通讯功能的智能电度表。文中分别从硬件和软件方面讨论了机车智能电度表的技术原理和多通讯接口的实现,并给出了软件框图和检测结果。

According to the current application situation and the usage requirement of the power meter for electric locomotives,a kind of intelligent power meter for locomotives was discussed.The design adopted ATT7022A to measure the electric locomotives with power on and off.The hardware and software,the plan of multi-communicated port and its multi-function were presented.It also shows the software flowchart,the results of experiment and practical applications.