基于IEC61850标准的智能变电站通信网络组网方案的研究

发布时间：2018-03-09 16:26

  本文选题：智能变电站　切入点：自动化系统　出处：《华北电力大学》2014年硕士论文　论文类型：学位论文

【摘要】：智能变电站作为智能电网发电、输电、变电、配电的关键环节之一,对保证电网的高效、可靠、低碳经济运行起着重要作用。与传统变电站不同,智能变电站基于IEC61850标准,具备一次设备智能化、二次设备网络化以及站域层支撑高级功能应用的显著特点,不仅对提升整个电网的智能化水平有着巨大作用,而且能够大幅提升信息采集、测量、控制、保护、计量、监测等环节的效率和可靠性。本文首先详细剖析了IEC 61850标准,从以太网关键技术、关键通信设备和重要信息流等方面具体阐述了智能变电站自动化系统的技术特点,并结合我国的环境特点和工业背景提出了提升通信网络可靠性的相关措施。接着,总结了典型的通信网络组网方案,分析各方案的运行特点及其应用场合,体现组网方式在功能智能化实现上的优越性。随后,建立了典型过程层网络的网络流量计算模型,有利于初步定量分析过程层网络组网结构的合理性,用于验证组网方案是否满足IEC 61850对实时性的要求。最后,详细剖析了基于双通信网和基于IEC 62439协议的冗余配置方案,并分析了各自的优缺点和适用环境,指出了冗余技术未来可能的发展趋势,为智能变电站的进一步推广和建设提供指导建议。
[Abstract]:As one of the key links of smart grid generation, transmission, substation and distribution, intelligent substation plays an important role in ensuring the high efficiency, reliability and low carbon economy operation of power grid. Different from traditional substation, intelligent substation is based on IEC61850 standard. With the characteristics of primary equipment intelligence, secondary equipment networking and the application of advanced functions supported by station layer, it not only plays a great role in improving the intelligence level of the whole power network, but also can greatly enhance the information collection, measurement and control. The efficiency and reliability of protection, metering, monitoring and other links are analyzed in detail in this paper. Firstly, the IEC 61850 standard is analyzed in detail, and the key technology of Ethernet is analyzed. In this paper, the technical characteristics of intelligent substation automation system are expounded in detail from the aspects of key communication equipment and important information flow, and the related measures to enhance the reliability of communication network are put forward according to the environmental characteristics and industrial background of our country. This paper summarizes the typical network scheme of communication network, analyzes the operation characteristics of each scheme and its application situation, and embodies the superiority of the networking mode in realizing the function intelligentize. Then, the network flow calculation model of the typical process layer network is established. It is beneficial to the preliminary quantitative analysis of the rationality of the process layer network structure, and can be used to verify whether the networking scheme meets the real-time requirements of IEC 61850. Finally, the redundant configuration scheme based on dual communication network and IEC 62439 protocol is analyzed in detail. Their advantages and disadvantages and applicable environment are analyzed, and the possible development trend of redundancy technology in the future is pointed out, which provides guidance suggestions for the further promotion and construction of intelligent substation.
【学位授予单位】：华北电力大学
【学位级别】：硕士
【学位授予年份】：2014
【分类号】：TM63;TM73
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本文编号：1589318