Modeling power supply recovering method

A technology of power supply recovery and mode, applied in the direction of electrical components, circuit devices, emergency protection circuit devices, etc., can solve difficult and large-scale problems

Active Publication Date: 2015-05-27
CHINA ELECTRIC POWER RES INST +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

But for complex networks, the scope of heuristic search is too large, and it is difficult to find the optimal solution.

Method used

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  • Modeling power supply recovering method

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Embodiment Construction

[0050] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0051] The general idea of ​​the present invention is that when there is a non-fault blackout area in the distribution network, first divide the island area of ​​the non-fault blackout area according to the network topology, and then judge the corresponding mode of the non-fault blackout area according to the characteristics of the island area, and adopt the corresponding method to quickly Restore power.

[0052] The overall flow chart of this embodiment is as follows figure 1 As shown, it specifically includes the following steps:

[0053] (1) Start power supply recovery; when the following conditions occur, start the power supply recovery process:

[0054] A. After the risk prevention and control is completed, judge whether there is a load that needs to restore power supply, and if necessary, start the power supply r...

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Abstract

The invention discloses a modeling power supply recovering method. For a non-stoppage power failure line section / supply district, an off-line or on-line method is adopted to set a modeling power supply recovering rule, and the characteristic of a non-stoppage power failure islet region is combined, so that a power supply recovering scheme is made. The modeling power supply recovering method is established aiming at different characteristics of the non-stoppage power failure islet region and is more stable; and on the basis of various operation information of a distribution network, a corresponding power supply recovering scheme can be made and carried out according to the modeling power supply recovering method only by recognizing the type and the number of non-stoppage power failure region switches. The power supply recovering method is adopted according to different islet regions, so that the operability and the correctness for making schemes are improved, and the making speed of the power supply recovering scheme is improved.

Description

Technical field: [0001] The invention relates to the field of power system operation control, in particular to a patterned power supply restoration method. Background technique: [0002] The main goal of distribution network power supply restoration is to quickly restore the power supply to non-fault outage areas through network reconfiguration after the distribution network fails under the condition of ensuring the safe operation of the system. Power supply restoration transfers the load in non-fault outage areas to other feeders by closing some tie switches in the power distribution system, and at the same time opens some section switches on the line to maintain the radial topology of the network, thereby quickly restoring power supply. Because factors such as the number of switching operations, feeder load margin, load restoration amount, and network constraints have to be considered comprehensively, power supply restoration is a multi-objective, multi-combination, and mu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02H3/06
Inventor 盛万兴宋晓辉刘永梅孟晓丽
Owner CHINA ELECTRIC POWER RES INST
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