一种微机保护的光纤通讯设计

介绍了光纤通讯的基本原理,论述了整个系统结构及各部分功能。采用光收发集成模块和CPLD来完成通讯硬件电路,并详细描述了硬件电路的工作原理。结合以DSP为核心的继电保护装置,阐述了继电保护的通讯规约,通讯内容和过程,给出了各个部分的工作流程图并作了详细论述。

Design of fiber communication in microcomputer relay protection

The theory of the optical fiber communication is introduced, and its system structure and components functions are described in detail. Optical module and CPLD are adopted to design communication hardware circuit. And the operating principle of the hardware circuit is discussed. With relay protection devices based on DSP, the paper presents the communication rules, communication content and communication process. The paper provides and expatiates flow chart of every part.