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面向智能变电站二次设备的网络报文管控技术
引用本文:周华良,郑玉平,姚吉文,姜雷,谢黎,王凯. 面向智能变电站二次设备的网络报文管控技术[J]. 电力系统自动化, 2015, 39(19): 96-100
作者姓名:周华良  郑玉平  姚吉文  姜雷  谢黎  王凯
作者单位:国电南瑞科技股份有限公司, 江苏省南京市 211106,南瑞集团公司(国网电力科学研究院), 江苏省南京市 211106,国电南瑞科技股份有限公司, 江苏省南京市 211106,国电南瑞科技股份有限公司, 江苏省南京市 211106,国电南瑞科技股份有限公司, 江苏省南京市 211106,国电南瑞科技股份有限公司, 江苏省南京市 211106
基金项目:已申请国家发明专利(申请号:201410836623.2,201410415650.2)
摘    要:随着智能变电站以太网应用往混合组网、多网共口的方向发展,网络的安全稳定性对于智能变电站设备可靠运行至关重要。文中深入研究了电力二次设备在多种报文共网共口条件下接收与发送的优化处理机制。在接收方向上针对变电站网络风暴条件下的报文特点,提出多级过滤、分组流量控制的方法实现网络风暴抑制,保证了正常报文的接收与处理;在发送方向上提出以优先级划分为前提的优化调度发送策略,保证了报文发送的实时性并充分利用了网络带宽。同时,基于纯硬件片上系统实现了上述机制的实际应用与测试,有效提升了智能变电站二次设备网络通信的稳定性与可靠性。

关 键 词:智能变电站  网络报文  网络风暴  报文多级过滤   调度发送策略
收稿时间:2015-01-15
修稿时间:2015-09-10

Network Packet Control Technology for Secondary Equipments in Smart Substation
ZHOU Hualiang,ZHENG Yuping,YAO Jiwen,JIANG Lei,XIE Li and WANG Kai. Network Packet Control Technology for Secondary Equipments in Smart Substation[J]. Automation of Electric Power Systems, 2015, 39(19): 96-100
Authors:ZHOU Hualiang  ZHENG Yuping  YAO Jiwen  JIANG Lei  XIE Li  WANG Kai
Abstract:With the application of the Ethernet tending to be hybridized in networking in smart substation and packets in multiple protocols existing in the same network, the security and stability of the network has become the crucial point for the reliability of smart substation equipments. The optimization of network packets in two directions of sending and receiving is studied. That is, according to the characteristics of packets in smart substation network, packet flow control in groups and the multi-stage filtering in the receiving direction is put forward to suppress network packet storms and processing normal packet effectively; while in the sending direction, an optimization scheduling strategy based on packet priority classification is used to get the real-time performance and make full use of network bandwidth. Meanwhile all the strategies in this paper are implemented on the SoC hardware system, the test results showing that the stability and reliability of network communication in smart substation equipments is effectively improved.
Keywords:smart substation   network message   network storm   packet multi-stage filtering   sending scheduling strategy
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