Power distribution network self-healing recovery method based on mixing of Huffman tree algorithm and ant colony algorithm

A technology of ant colony algorithm and recovery method, which is applied in the field of distribution network self-healing recovery based on the mixture of Huffman tree algorithm and ant colony algorithm, can solve problems such as large amount of calculation, difficult to meet actual requirements, and low cost, and achieve network Small loss, high reliability, and the effect of reducing economic losses

Pending Publication Date: 2020-02-25
HUBEI UNIV FOR NATITIES +1
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Problems solved by technology

Among them, the characteristic of mathematical optimization algorithm is to find a global optimal solution by analytic method, and its disadvantage is that the calculation amount is large, and it is difficult to meet the actual requirements; the heuristic algorithm is fast and the cost is small, but the order of opening the switch lacks theoretical bas

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  • Power distribution network self-healing recovery method based on mixing of Huffman tree algorithm and ant colony algorithm
  • Power distribution network self-healing recovery method based on mixing of Huffman tree algorithm and ant colony algorithm
  • Power distribution network self-healing recovery method based on mixing of Huffman tree algorithm and ant colony algorithm

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[0039] The present invention will be further explained below in conjunction with the drawings:

[0040] The present invention proposes a new type of artificial intelligence algorithm that mixes the Huffman tree algorithm with the ant colony algorithm. It can well solve the problem of long reconstruction time after a distribution network failure. The Huffman tree is added to the original ant colony algorithm. The idea of ​​??can realize the rapid formation of a new radial operation structure of the distribution network while ensuring the global optimum.

[0041] Such as figure 1 As shown, it is mainly a flow chart from the failure of the distribution network to the restoration of normal operation. The present invention mainly focuses on "form a recovery plan", "execute switching operations", "repair the faulty network and restore" to perform corresponding operations, and give The specific method of a preferred embodiment is as follows:

[0042] Taking economy and reliability as the ...

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Abstract

The invention discloses a power distribution network self-healing recovery method based on mixing of a Huffman tree algorithm and an ant colony algorithm. According to the invention, the idea of the Huffman tree algorithm is introduced into the ant colony algorithm and mixed with the ant colony algorithm, defects of large calculation amount, low calculation efficiency and easy local optimum causedby the single ant colony algorithm are solved, understanding quality is improved, the new radial structure minimizing network loss of the power distribution network is acquired, economic loss causedby faults is substantially reduced, and relatively high reliability is realized.

Description

technical field [0001] The invention relates to the technical field of distribution network control, in particular to a distribution network self-healing recovery method based on a mixture of Huffman tree algorithm and ant colony algorithm. Background technique [0002] With the development of social economy, the economic loss caused by faults in the distribution network has a greater impact on the society, and the self-healing technology of the distribution network is an important feature and one of the core technologies of distribution automation. The core of distribution network self-healing is to restructure the power supply network by changing the state of the section switch and tie switch when the distribution network fails, so as to minimize the loss and time of power failure. [0003] The reconfiguration of the distribution network is a multi-objective, multi-dimensional, multi-objective, multi-constraint combinatorial optimization problem. At present, there are thre...

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Application Information

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IPC IPC(8): G06Q10/06G06N3/00G06Q50/06
CPCG06Q10/06375G06Q50/06G06N3/006
Inventor 钟建伟谭爱国廖红华王力张钦惠王智方董伟广周璨杨向东解国伦姚刚华
Owner HUBEI UNIV FOR NATITIES
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