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Digital substation automation method and system

A substation automation and substation technology, applied in the field of power system, can solve the problems of partial isolation of distribution network, unreliable operation of distribution network and substation, and achieve the effect of avoiding unreliable operation

Inactive Publication Date: 2018-08-31
浙江图盛输变电工程有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In view of this, the present invention provides a digital substation automation method and system to solve the problem of unreliable operation of the distribution network and substation in the prior art because the substation cannot partially isolate the internal faults of the distribution network.

Method used

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  • Digital substation automation method and system
  • Digital substation automation method and system

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Embodiment 1

[0044] This embodiment provides a digital substation automation method, the flow chart is as follows figure 1 shown.

[0045] S101: Carry out standard modeling for the distribution network area manager, so that it can perform data interaction with the substation;

[0046]Digital substation technology is the development trend of substation automation. In order to realize the digitalization of substations and the automation from substations to distribution networks and even feeders, it is necessary to model the distribution network equipment in accordance with the modeling standards of digital substations in 61850. The digitization of the distribution network fully incorporates the distribution network into the digital substation automation system. However, because the current 61850 standard modeling standard for distribution network equipment is not yet mature, and the cost of comprehensive digital transformation of distribution network equipment is too high, therefore, consid...

Embodiment 2

[0055] This embodiment provides a digital substation automation system, its structure diagram is as follows figure 2 As shown, it includes: a receiving unit 201, a processing unit 202 and a sending unit 203. The receiving unit 201 is used to receive the operation data information of the distribution network in the region sent by the distribution network regional manager, and the processing unit 202 is used to The information generates a corresponding control command, and the sending unit 203 is configured to send the generated control command to a corresponding distribution network area manager. Wherein, the digital substation automation system further includes a storage unit for storing the received operation data information of the distribution network.

[0056] In this embodiment, the digitalized substation automation system further includes a plurality of distribution network area managers, each distribution network area manager is responsible for the data information of ...

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Abstract

The invention provides a digital substation automation method and a system. The method comprises the step of receiving running data information of a power distribution network inside an area. The running data information is sent by a power distribution network area manager. The area is one having one or more feed lines in the power distribution network. The method further comprises the steps of monitoring the running state of the power distribution network inside the area according to the data information, generating corresponding control commands and sending the commands to the corresponding power distribution network area manager; and positioning and isolating faults inside the area through the power distribution network area manager and further resuming power supplies to areas with no faults. The substation can make areas with faults isolated through the power distribution network area manager. The substation achieves local isolation of faults inside the power distribution network. Problems that the power distribution network and the substation run in an unreliable way are further prevented.

Description

technical field [0001] The present invention relates to the technical field of power systems, and more specifically, to a digital substation automation method and system. Background technique [0002] On the basis of the continuous development of computer and communication technology, substation automation technology is also developing continuously, and the content it covers is also increasing. Especially with the large-scale promotion of unattended substations, people's requirements for substation automation technology are more in-depth and comprehensive. [0003] Digital substation technology is a milestone change in the development of substation automation technology, which has had a profound impact on the substation automation system. The three main features of a digital substation are: intelligent primary equipment, networked secondary equipment, and compliance with the IEC61850 standard (the only international standard for substation automation systems based on a gene...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J13/00H02H7/26
CPCY02E60/00Y04S10/16Y04S10/20
Inventor 张磊龚列谦陈建胜刘主光陈晓雷斯捷潘世奇林高翔李矗李勇李武郑贤舜叶正策钱碧甫杨剑友
Owner 浙江图盛输变电工程有限公司
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