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结合黑龙江牡丹江水力发电总厂变电站综合自动化监控情况,来介绍变电站综合自动化系统分层结构以及目前站内广泛使用的串行通讯总线的缺点;然后引入CAN通讯总线。CAN总线通信相对一般串行通信总线,它的实时性,可靠性和灵活性的特点更加突出。现着重论述变电站综合自动化系统的应用,并从硬件及软件方面详细的介绍了变电站综合自动化系统中通信管理机的研制。
Combined with the comprehensive automatic monitoring of substations in Mudanjiang Hydro Power Plant, this paper introduces the layered structure of substation integrated automation system and the shortcomings of the serial communication bus which is widely used in the station. Then, the CAN communication bus is introduced. CAN bus communication relative to the general serial communication bus, its real-time, reliability and flexibility features more prominent. This article mainly discusses the application of substation integrated automation system and introduces the development of communication management machine in substation integrated automation system from the aspects of hardware and software.