Intelligent distributed feeder method and device based on 5G communication

A distributed, feeder technology, applied in the field of power supply and transformation, can solve the problems of long fault handling time, long time, and increase the short-circuit impact and damage of primary equipment.

Pending Publication Date: 2021-07-16
ZHENGZHOU ELECTRIC POWER COLLEGE
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Problems solved by technology

In the centralized type, the master station completes fault handling through information interaction with the power distribution terminal. There are many intermediate links, the master station centrally processes a lot of data, and has a high degree of dependence on the communication system; It takes a long time and needs the tripping of the substation outlet switch to cooperate. The whole processing process needs at least two overlaps, which increases the short-circuit impact and damage to the primary equipment; intelligent distributed does not require the intervention of the master station, and the fault processing is completed by mutual communication between the terminals. The

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  • Intelligent distributed feeder method and device based on 5G communication
  • Intelligent distributed feeder method and device based on 5G communication
  • Intelligent distributed feeder method and device based on 5G communication

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Embodiment

[0026] Example: see figure 1 , figure 2 , image 3 with Figure 4 .

[0027] The intelligent distributed feeder method and device based on 5G communication, the integrated intelligent terminal of the switching station detects the feeder line in real time, and at least two integrated intelligent terminals of the switching station form a ring-shaped self-negotiation communication channel through the 5G wireless data terminal; a fault is detected After the signal is received, it is transmitted on the ring-shaped self-negotiation communication channel according to the obtained fault information characteristics, and the distributed FA logic judgment is started, and the negotiation is carried out according to the ring-shaped self-negotiation communication channel to find out the fault area, and according to the content of the negotiation, the distributed FA terminal automatically adapts The operation mode of the power grid is adjusted; the comprehensive intelligent terminal of t...

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Abstract

The invention discloses an intelligent distributed feeder method and device based on 5G communication. The device comprises at least one switching station comprehensive intelligent terminal, a feeder switch, and a distributed FA terminal, the distributed FA terminal is installed at the switching station comprehensive intelligent terminal and a power distribution terminal in an overhead line, and is used for detecting the electric signal and the on-off state information of the feeder switch, and the switching station comprehensive intelligent terminal forms an annular auto-negotiation communication channel through the 5G wireless data terminal, and is communicated with the distribution network automation master station through the 5G communication topology network. Communication between power distribution terminals and communication of a master station are realized by utilizing the technical characteristics of low time delay and high bandwidth of a 5G network, wireless communication interaction can be realized after a line fault occurs, positioning, isolation and power transfer of a fault section can be automatically completed, the defects of long isolation and removal time existing in traditional feeder protection can be overcome, meanwhile, differential protection based on optical fiber communication can be replaced, and laying of optical fiber lines in engineering construction is not needed.

Description

Technical field: [0001] The invention relates to the field of power supply and transformation, in particular to an intelligent distributed feeder method and device based on 5G communication. Background technique: [0002] Distribution line feeder automation (FA) mainly has three modes: centralized, local recloser and intelligent distributed. In the centralized type, the master station completes fault handling through information interaction with the power distribution terminal. There are many intermediate links, the master station centrally processes a lot of data, and has a high degree of dependence on the communication system; It takes a long time and needs the tripping of the substation outlet switch to cooperate. The whole processing process needs at least two overlaps, which increases the short-circuit impact and damage to the primary equipment; intelligent distributed does not require the intervention of the master station, and the fault processing is completed by mutu...

Claims

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Application Information

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IPC IPC(8): H02H7/26H02J13/00H04W12/03H04W24/02H04W24/08H04L12/24
CPCH02H7/26H04L41/0677H04L41/12H04W24/02H04W24/08H02J13/00001H02J13/00022H02J13/00032H02J13/0004Y02E60/00Y04S10/20
Inventor 赵东辉王鹤凡郭雷岗师恩达张振献张伟伟
Owner ZHENGZHOU ELECTRIC POWER COLLEGE
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