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Simulation and Study of Communication Networks in Substation Automation Systems Based on IEC 61850

Author: DongZuo
Tutor: DuanXianZhong
School: Huazhong University of Science and Technology
Course: Proceedings of the
Keywords: Substation automation system IEC 61850 Switched Ethernet OPNET network simulation
CLC: TM76
Type: Master's thesis
Year: 2007
Downloads: 297
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Abstract


Substation automation system through the completion of the station equipment protection, control and monitoring functions, and provide a strong guarantee for the security, stability and economic operation of the power system. With the rapid development of computer technology and communication network technology, the substation automation system communication network has become a hotspot of current research. In this paper, based on the formation of the IEC 61850 substation automation system communication network and network performance simulation carried out in-depth research, the main contents include: summary of the course of development of communication technology in substation automation system, analysis of the implementation based on the IEC 61850 substation automation system The process of the communication network, of each phase of the network architecture. IEC 61850 - substation communication network and the system is a series of international standards to develop background detailed analysis of content and main features of the standard, summed up the relationship and difference of the IEC 61850 standard and other existing power system communication protocol to IEC 61850-based power system seamless communication architecture. Full-duplex communication, exchange of technology, the priority mechanism is introduced to improve the real-time Ethernet to solve the problem of the traditional Ethernet transmission time of uncertainty, and industrial Ethernet technology. Division of the interval of a typical 220kV substation line interval, the complete functionality of the transformer the intervals and substation layer device, and then take advantage of the object-oriented modeling approach, these functional decomposition as defined in IEC 61850 logical node, again by re-combination of logical nodes form a model of the substation automation system interoperability IED. Substation automation system communication network network load analysis, classification, and finally developed the information transmission model and the transmission mechanism according to the design characteristics of the various types of load and network load. The last application of switched Ethernet technology for the typical 220kV substation automation system communication network were set up, and use the OPNET Network Simulation analysis software the line interval process layer Ethernet, transformer interval process layer Ethernet station unified Ethernet real-time network authentication. The simulation results show that the communication network established to meet the requirements of information transmission substation automation system.

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CLC: > Industrial Technology > Electrotechnical > Transmission and distribution engineering, power network and power system > Power system automation
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