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Centralized digital transformer substation system

A substation, centralized technology, applied in information technology support systems, electrical components, circuit devices, etc., can solve the problems of complex structure, development constraints of digital substation technology, and inability to share the functions of substation systems, and achieve the effect of convenient configuration.

Active Publication Date: 2010-07-28
CHINA ELECTRIC POWER RES INST +1
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] There is no unified understanding of the overall structure of digital substations and the structure and functions of smart devices, especially in terms of process bus. The information sharing of the whole station realizes the functions of the substation system, which greatly restricts the development of digital substation technology

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  • Centralized digital transformer substation system
  • Centralized digital transformer substation system
  • Centralized digital transformer substation system

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Embodiment Construction

[0024] Referring to the accompanying drawings to illustrate an example of a centralized digital substation system, figure 2 It is a schematic structural diagram of a centralized digital substation system configuration implemented according to the present invention. The secondary system equipment of the whole station adopts dual configuration. For simplicity, figure 2 Only one system is given.

[0025] The system adopts a three-layer communication architecture, which is composed of IEDs of various layers conforming to the IEC61850 standard. The details are as follows:

[0026] ①. Main hardware equipment includes: master station system (operator station, engineer station) and telecontrol host 1, print server 2, printer 3, system controller 4, intelligent terminal 5, industrial Ethernet switch 6, fiber fusion box 7 And GPS timing unit 8. Among them, the relevant equipment of the main station system is placed in the main control room; the system controller, industrial Ethernet...

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Abstract

The invention provides a centralized digital transformer substation system. By adopting various new technologies and new devices, a new level centralized multifunctional intelligent device and a system are realized, thereby laying the foundation for the construction of a digital electric network. Based on an IEC 61850 standard, high speed Ethernet exchange and a virtual local area network (VLAN) technology, the system constructs a digital transformer substation information model and a communication network, and realizes sharing of information of the whole substation. On the basis, function integration of a digital transformer substation is realized and a system structure is simplified. A bay level multifunctional intelligent electronic device, i.e. a system controller integrates the functions of protection, measurement and control, wave recording and the like into a whole, and greatly simplifies the bay level device and wire connection; a process level intelligent terminal integrates the functions of a merging unit and an intelligent operation box into a whole; and all devices of each level provide models and interfaces conforming to the IEC 61850 standard.

Description

technical field [0001] The invention belongs to the field of electric power system automation, and particularly relates to digital substations and related technologies, such as the IEC 61850 standard, intelligent electronic equipment, network communication technology, etc., and provides a system based on total station information sharing by adopting various new technologies and new equipment. Centralized digital substation system. Background technique [0002] The traditional substation automation technology based on microcomputer protection and computer monitoring has gradually matured and improved after more than ten years of development, and has played a very important role in improving the automation level of the power grid and the reliability of power transmission and distribution. However, due to some defects in traditional substation automation technology, such as various automation devices and subsystems in the substation are independent, and there are many communica...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J13/00
CPCY02E60/723Y04S10/16Y04S40/124Y02E60/00
Inventor 覃剑潘宇辉王庆平葛维春万博胡绍刚苏瑞顾洪群李刚李言谙李冰刘志伟曲春辉刘君侯鹏陈翔宇熊敏张弓张鹏申仲涛
Owner CHINA ELECTRIC POWER RES INST
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