变电站直流系统中IEC 61850的工程应用

发布时间：2018-06-24 09:22

本文选题：IEC + 61850　；参考：《上海交通大学》2014年硕士论文

【摘要】：IEC61850代表了变电站自动化系统SAS的最新趋势,是数字化、智能化变电站的关键技术。本文首先基于IEC61850标准建立变电站直流电源系统的信息模型,该模型可准确描述直流设备的特定状态和控制方式,实现相关逻辑装置、逻辑节点的定义并根据实际工况完成特定数据对象类的信息扩充。本文提出该数字化建模方案的目的是针对直流母线人工倒排操作过程中的不安全因素,通过引入IEC61850协议设计的IED设备,利用MMS通信服务和GOOSE/SV快速报文组播相结合的网络传输方式实现对直流操作闸刀的遥控分合以及闭锁控制。避免在原有变电站直流系统中增加电气闭锁回路的难度,降低工程施工量,有利于解决采用该协议前各种装置互操作不易实现的弊端,减少重复性资金投入。本文的创新之处是确定直流操作闸刀采用“增强安全的操作前选择控制”状态机,并配合该状态机的工作流程,详细设计三种判决逻辑参与闸刀闭锁控制的判决过程,直观反映相关逻辑节点中数据的互锁关联。最后为了将理论应用到工程实际,尝试将基于IEC 61850信息建模的闸刀闭锁控制的虚拟模型移植到直流测控装置中,并提出相应的软、硬件设计方案。本文希望在直流电源系统中引入该智能化、数字化改造的方案,从而有效确保重要报文数据的正确性,提高直流系统的供电可靠性。
[Abstract]:IEC61850 represents the latest trend of SAS in substation automation system. It is the key technology of digital and intelligent substation. Firstly, based on IEC61850 standard, the information model of DC power system in substation is set up. This model can accurately describe the specific state and control mode of DC equipment, and realize the relevant logic device and logical node. In this paper, the purpose of this digital modeling scheme is to solve the unsafe factors in the process of manual reverse operation of the DC bus, by introducing the IED device designed by the IEC61850 protocol, and using the network transmission of the MMS communication service and the GOOSE/SV fast packet multicast. The method realizes the remote control and closing control of the DC operating brake knife. It avoids the difficulty of increasing the electrical locking loop in the original substation DC system and reduces the construction quantity. It is beneficial to solve the malpractice of the interoperability of various devices before the agreement and reduce the reduplication capital input. The innovation of this paper is to determine the straight line. The flow operation knife uses the "enhanced safe pre operation selection control" state machine and matches the working process of the state machine, and designs the decision process of three kinds of decision logic to participate in the lock control of the knife, and directly reflects the interlocking correlation of the data in the related logic nodes. Finally, in order to apply the theory to the engineering practice, the experiment will be based on the IEC 61. 850 the virtual model of the brake lock control of the information modeling is transplanted into the DC measurement and control device, and the corresponding software and hardware design scheme is put forward. This paper hopes to introduce the intelligent and digital transformation scheme in the DC power supply system, thus effectively ensuring the correctness of the important message data and improving the reliability of the power supply of the DC system.
【学位授予单位】：上海交通大学
【学位级别】：硕士
【学位授予年份】：2014
【分类号】：TM63

【参考文献】