Intelligent distribution network power supply zone recovery and optimization method based on quasi-minimum path method

A technology for intelligent distribution network and partition recovery, applied in data processing applications, forecasting, instruments, etc., can solve the problems of network overload, inaccessibility, emphasis, etc., and achieve the effect of reducing power loss load

Active Publication Date: 2015-07-29
STATE GRID CORP OF CHINA +1
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Problems solved by technology

[0004] Although the traditional methods mentioned above can effectively solve the problem of power supply restoration after a network failure, they all focus on the completion of the restoration results, while ignoring the optimization of the restoration process.
In the process of fault recovery, it is difficult to maintain the balance of the network structure, and the problem of uniform load distribution is ignored, which may easily lead to partial overloading of the network.
As for the problem of ensuring network optimization, it is even more difficult to achieve

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  • Intelligent distribution network power supply zone recovery and optimization method based on quasi-minimum path method
  • Intelligent distribution network power supply zone recovery and optimization method based on quasi-minimum path method
  • Intelligent distribution network power supply zone recovery and optimization method based on quasi-minimum path method

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Embodiment Construction

[0081] The method for recovering and optimizing power supply partitions of an intelligent distribution network based on the quasi-minimum path method provided by the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0082] Such as figure 1 As shown, the intelligent distribution network power supply partition recovery and optimization method based on the quasi-minimum path method provided by the present invention includes the following steps performed in order:

[0083] Step 1) Construct the objective function of power supply restoration and optimization:

[0084] Construct the objective function of the intelligent distribution network power supply partition recovery and overall optimization method based on the quasi-minimum path method to reduce the power loss load of the system as much as possible;

[0085] Step 2) Define the quasi-minimum path and establish the relevant index system:

[0086] Inclu...

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Abstract

An intelligent distribution network power supply zone recovery and optimization method based on a quasi-minimum path method includes the steps of 1, building a target function of power supply recovery and optimization; 2, defining a quasi-minimum path, and establishing related index systems; 3, defining various lists, and determining content of each list; 4, performing power supply zone recovery and optimization based on the quasi-minimum path. According to the feature that the intelligent distribution network is of high automation, on the basis of defining the quasi-minimum paths, a heuristic algorithm for recovering and optimizing power supply zones of the intelligent distribution network is provided. The method has the advantages that network structural balance is more focused during power supply recovery; load distribution uniformity is better focused during power supply recovery; local reloading caused by general fault recovery is avoided, and the probability of fault reoccurrence is eliminated.

Description

technical field [0001] The invention belongs to the technical field of intelligent power distribution systems, and in particular relates to a recovery and optimization method for power supply partitions of an intelligent distribution network based on a quasi-minimum path method. Background technique [0002] Smart distribution network is an important part of State Grid Corporation's construction of a unified and strong smart grid, and it is also the development trend of future power distribution systems worldwide. The smart distribution network has a complete self-healing function, among which the automatic, rapid and optimized restoration of power supply after a fault in the smart distribution network is an important part of its self-healing control technology, and it is also an important part of its guarantee of high reliability of power supply and high user satisfaction. important means. [0003] Traditional solutions to power supply restoration problems include: mathema...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/04G06Q50/06
Inventor 祁彦鹏王枫梁群宗志刚刘树勇谢秦刘冬梅刘英英徐晶王哲李娟崔荣靖张章张梁夏冬张雪菲
Owner STATE GRID CORP OF CHINA
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