基于CAN总线的电动机保护器的研究

Study of motor protect device based on CAN bus

本文简要描述了电动机故障分析中的对称分量法和CAN总线的结构特点。在分析算法的基础上,结合CAN总线通信的要求,提出基于CAN总线的电动机保护的方案,并介绍了设计方案的硬件结构和程序流程图。实验结果以及在工厂生产车间的实际运行情况表明,该设计功能合理、可靠高效,达到了预期的效果。

This paper describes the symmetrical components method in motor failure analysis and the structural characteristics of CAN bus briefly. On the basis of analyzing algorithm, satisfying the requirement of CAN bus communication, a solution, including the hardware structure and program flowcharts, was worked out to protect the CAN bus. Experimental and practical results show this method is valid and reliable.