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Single power supply ring network-based fault processing and supplementing method

A ring network fault and single power supply technology, which is applied in the direction of emergency treatment of AC circuit layout, electrical components, circuit devices, etc., can solve the problem that the fault handling of distribution network cannot meet the actual needs and other problems

Inactive Publication Date: 2016-07-20
STATE GRID TIANJIN ELECTRIC POWER +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, for the operation mode of single power supply ring network, the existing distribution network fault handling cannot meet the actual needs, so it is necessary to provide differentiated distribution network fault handling technology for this special operation mode to meet the ever-changing distribution network. Grid Power Supply Mode Requirements

Method used

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  • Single power supply ring network-based fault processing and supplementing method
  • Single power supply ring network-based fault processing and supplementing method

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Embodiment Construction

[0012] The present invention will be specifically introduced below in conjunction with the accompanying drawings and specific embodiments.

[0013] A supplementary method based on single-power ring network fault handling, which analyzes the single-power ring network and obtains a solution strategy for differentiated fault handling. , to dynamically calculate the downstream recovery, detecting the presence of a new power supply following the closing operation of the trip switch.

[0014] as attached figure 1 As shown, #1 line and #2 line form a hand-in-hand loop through #1 ring network cabinet and #4 ring network cabinet, the contact switch is #4 ring network cabinet 42 contact switch, #1 ring network cabinet, #2 ring network cabinet The cabinet and #3 ring network cabinet form a small circuit by themselves, and the contact switch is the 14 small circuit contact switch of #1 ring network cabinet.

[0015] As shown in the figure, when the cable between #1 ring network cabinet ...

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Abstract

The invention relates to a single power supply ring network-based fault processing and supplementing method. Analysis is carried out in view of a single power supply ring network, a solution strategy for differential fault processing is obtained, the key point of the differential fault processing strategy under a single power supply ring network operation mode is that during a power supply restoration process, when downstream restoration is dynamically calculated, a new power supply appearing along with closing operation of a trip switch is detected. The adaptability of the single power supply ring network fault processing function in the current stage is considered, influences on a common fault processing logic algorithm by a trend for a special operation mode and defects of the common fault processing logic are also considered, the single power supply ring network-based fault processing and supplementing technology is obtained through comprehensive consideration, and thus, the distribution network fault processing reliability is improved, the power supply time is shortened, and the user satisfaction degree is provided.

Description

technical field [0001] The invention relates to a distribution network fault processing technology, relates to a fault processing technology in a distribution automation system, in particular to a supplementary method for fault processing based on a single power supply ring network. Background technique [0002] The distribution network fault isolation and power supply recovery methods in the prior art are all analyzed for the general distribution network grid structure. However, for the operation mode of single power supply ring network, the existing distribution network fault handling cannot meet the actual needs, so it is necessary to provide differentiated distribution network fault handling technology for this special operation mode to meet the ever-changing distribution network. Grid supply mode requirements. Contents of the invention [0003] In order to solve the deficiencies of the prior art, the purpose of the present invention is to obtain a method for solving ...

Claims

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Application Information

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IPC IPC(8): H02H7/28H02J3/00
CPCH02H7/28H02J3/00H02J3/001Y04S10/52
Inventor 李聪利赵宇营刘钧元张渭鹏王磊毕永健王颖洁郭世刚李旭光
Owner STATE GRID TIANJIN ELECTRIC POWER
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