基于DSP和交换芯片的智能终端通信模块设计  

Design of an Intelligent Terminal Communication Module Based on DSP and Ethernet Switch Chip

作　　者：唐海国[1] 冷华[1] 朱吉然[1] 龚汉阳 

机构地区：[1]国网湖南省电力公司电力科学研究院,湖南长沙410007

出　　处：《电力信息与通信技术》2014年第3期13-18,共6页Electric Power Information and Communication Technology

摘　　要：文章在分析数字化变电站对智能终端通信能力要求的基础上,提出一种基于ADSPBF518处理器、FPGA和以太网交换芯片Marvell 88E6060的通信模块设计方案,以实现测控保护一体化智能终端与站内设备之间的高速通信。针对IEC61850标准变电站对智能终端通信网络的需求,分析了时钟同步、采样值和GOOSE信息的数据传输特征,完成智能终端通信模块硬件设计和底层驱动程序的开发,并引入嵌入式实时操作系统uC/OS II,通过合理分配任务优先级和任务间调度,实现了IEEE1588时钟同步、IEC61850 9-2采样值和GOOSE报文的传输,验证了设计的可行性。This paper analyzes the communication substation, and proposes a communication module ability requirements of intelligent terminals in the digital design solution using a combinatory of the ADSP-BF518 processor, FPGA and Ethernet switch chip Marvell 88E6060 in order to achieve high speed communication between devices in the substation and the intelligent terminals with an integrated protection, monitoring and control According to the requirernents of intelligent terminal communication network from substations using the IEC61850, this paper analyzes data transmission characteristics of time synchronization, sampling and GOOSE, and completes the hardware design of the intelligent terminal communication module and development of the underlying driver. In addition, the design introduces the embedded RTOS uC/OS II to achieve data transmission of 1EEE 1588 clock synchronization, IEC61850 %2 sample value and GOOSE message by assigning the reasonable task priority and reasonably task schedule. At last, the feasibility of the design is verified.

关 键 词：IEC61 850 智能终端 以太网通信 GOOSE 嵌入式系统 

分 类 号：TP319[自动化与计算机技术—计算机软件与理论]