DTU distribution method and system

A distribution method and public technology, applied in information technology support systems, AC network circuits, electrical components, etc., can solve problems such as complex wiring, low standardization, and long construction time, so as to simplify wiring, improve standardization, and shorten construction the effect of time

Pending Publication Date: 2020-04-10
ZHUHAI XJ ELECTRIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The traditional station terminal generally adopts a centralized structure of group screen installation. The interval unit and the station terminal are connected by cables. The wiring is complicated and the construction time is long. In addition, each interval unit needs to be configured with the GOOSE protocol one by one, and the degree of standardization is low.

Method used

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  • DTU distribution method and system
  • DTU distribution method and system
  • DTU distribution method and system

Examples

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Embodiment Construction

[0043] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0044] In the description of the present invention, several means one or more, and multiple means more than two. Greater than, less than, exceeding, etc. are understood as not including the original number, and above, below, within, etc. are understood as including the original number. If the description of the first and second is only for the purpose of distinguishing the technical features, it cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or...

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Abstract

The invention discloses a DTU distribution method and system. The method comprises the following steps that each switch on a distribution line is configured with an interval unit; a common unit is configured for each region, and a configuration-free GOOSE network is configured through the common units; the plurality of interval units in the same region communicate with the common units through theconfiguration-free GOOSE networks, and the interval units in the adjacent regions communicate through optical fibers; when the distribution line breaks down, the interval units send detected fault information to the corresponding common units, and the common units determine fault sections and judge whether fault isolation operation is executed or not. The configuration-free GOOSE networks are built through the common units, plug and play of interval units in the same region is achieved, GOOSE protocols do not need to be configured one by one, and the construction time is shortened; the spacing units in the adjacent region are connected through the optical fibers, wiring can be simplified, and the standardization degree is improved; the centralized processing of the fault information is carried out through the common units, and the combination of point protection and surface protection of the distribution line can be realized.

Description

technical field [0001] The invention relates to the technical field of power distribution automation, in particular to a DTU distribution method and system. Background technique [0002] In the power system, each switch on the distribution line is generally equipped with a bay unit, which is used to complete terminal functions such as local measurement and control of each bay, and the same area (for example, switch station, switch station or ring network cabinet) The bay units inside are connected to the distribution terminal unit (DTU, Distribution Terminal Unit), so that the power distribution automation of each bay can be converged in the station terminal for realization. The traditional station terminal generally adopts a centralized structure of group screen installation. The bay unit and the station terminal are connected by cables. The wiring is complicated and the construction time is long. In addition, each bay unit needs to be configured with the GOOSE protocol one...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/00H02J13/00H02H7/26H02H7/22
CPCH02H7/22H02H7/261H02J3/00H02J13/00Y02E60/00Y04S10/16Y04S10/20
Inventor 王建微陈林廖伟刘红伟
Owner ZHUHAI XJ ELECTRIC
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