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Multi-objective fault recovery method for distribution network based on hybrid algorithm

A fault recovery and hybrid algorithm technology, which is applied in computing, data processing applications, prediction, etc., can solve the problem of not being able to handle multi-objective fault recovery with distributed power sources well

Active Publication Date: 2018-11-13
海南中电智诚电力服务有限公司
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Problems solved by technology

Therefore, only by heuristic search method or intelligent optimization method can not deal with the problem of multi-objective fault recovery with distributed power generation.

Method used

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  • Multi-objective fault recovery method for distribution network based on hybrid algorithm
  • Multi-objective fault recovery method for distribution network based on hybrid algorithm
  • Multi-objective fault recovery method for distribution network based on hybrid algorithm

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Embodiment Construction

[0069] The technical solution of the present invention will be further described below in conjunction with the accompanying drawings.

[0070] 1. Technical scheme of the present invention.

[0071] According to the hybrid algorithm-based fault recovery method of the distribution network containing DG in the present invention, the steps are as follows:

[0072] 1) Enter initial parameters

[0073] Input the location of the fault and the specific parameters of the distribution network, including the number of micro-sources N DG ,, the total number of switches in the distribution network N b , load level parameters;

[0074] 2) Initial matrix establishment

[0075] In order to realize the division of a class of loads, the method of the present invention defines four kinds of initial matrices for the heuristic search algorithm, which are load-micro-source ratio matrix, load-micro-source sorting matrix, load-micro-source attribution matrix and micro-source -Micro-source networ...

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Abstract

Novel hybrid fault recovery gaming comprises the following steps: 1) inputting an initial parameter, 2) establishing an initial matrix, 3) searching an initial solution set, 4) performing power verification, 5) performing networking correction, 6) performing first-class load division algorithm convergence inspection, 7) outputting a first-class load division result, 8) performing algorithm transition, 9) setting parameters of a quantum particle swarm algorithm, 10) initializing quantum particles, 11) performing objective function calculations, 12) updating the parameters, 13) updating position values and optimal vectors, 14) screening non-dominated solutions, 15) screening an elite set, 16) performing elimination operation, 17) performing quantum particle swarm algorithm convergence inspection, and 18) outputting a result. Through combinations with characteristics of a heuristic algorithm and an intelligent optimization algorithm, the hybrid fault recovery method is provided, and a fault recovery problem of a power distribution network containing DG is solved.

Description

technical field [0001] The invention relates to a novel hybrid fault recovery method combined with heuristic and intelligent optimization algorithms, and is particularly aimed at a multi-objective fault recovery problem of a distribution network with distributed power sources considering load levels. Background technique [0002] With the strengthening of distribution network construction and the maturity of micro-grid technology, fault recovery of distribution network has gradually become an important part of self-healing control of smart grid. As distributed generation (distributed generation, DG) is connected to the distribution network in large quantities, the traditional single-source radial distribution network becomes a multi-source system, and the power grid structure becomes more and more complex. If a reasonable recovery strategy cannot be formulated quickly for faults, To realize the restoration of power supply for various loads in the distribution network, the di...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06Q10/04G06Q10/06G06Q50/06
Inventor 王晶陈骏宇冯杰
Owner 海南中电智诚电力服务有限公司
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