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SAB82538H通信接口板在电力稳定控制系统中应用
卢君,姚国国
作者单位
摘要:
电力系统稳定控制系统需要快速、可靠的通信方案,以适应实时、准实时稳定控制的要求。提出基于SAB82538H芯片的光纤通信接口方案。所设计的光纤通信接口板主要包括SAB82538H芯片及该芯片与稳定控制装置CPU的接口、信道的编码/解码、接收信号的时钟提取、发送信号的时钟发生等模块。SAB82538H芯片的数据发送/接收都有中断方式和直接存储器存取(DMA)方式,论述了中断方式下数据发送/接收的流程,给出了流程图。所设计的光纤通信接口板已在500 kV变电站的电力系统安全稳定控制装置中应用,实际运行稳定、可靠,效果良好。
关键词:  SAB82538H,光纤通信,HDLC协议
DOI:
分类号:TM712 TN492
基金项目:
Application of SAB82538H-based communication interface board in power system stability control
LU Jun  YAO Guo-guo
Abstract:
High speed and reliable data communication is demanded for the real-time or quasi real-time stability control in power systems.A fiber communication scheme based on SAB82538H is presented.The fiber communication interface board mainly includes SAB82538H and its interface with CPU of stability control device,as well as modules for communication coding and decoding,clock pick-up from received signals and clock generation for sending signals.SAB82538H has both interrupt mode and DMA(Direct Memory Access) mode for data-sending and data-receiving.The flow-chart of data-sending and receiving in interrupt mode is given and discussed.The communication interface board has been applied in the stability control device of 500 kV substation and runs reliably and effectively.
Key words:  SAB82538H,fiber communication,HDLC protocol

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