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Method for constructing core backbone grid structure based on BBO algorithm and power grid survivability

A core backbone, grid construction technology, applied in computing, electrical digital data processing, data processing applications, etc., can solve the problems of weak search ability, local optimization, linear migration model cannot accurately simulate the migration process, etc., to achieve enhanced Search capability, the effect of improving convergence speed and convergence accuracy

Active Publication Date: 2013-10-23
WUHAN UNIV
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Problems solved by technology

However, the traditional BBO algorithm has the problem that the linear migration model cannot accurately simulate the migration process, the search ability is not strong, and it is easy to fall into local optimum due to premature

Method used

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  • Method for constructing core backbone grid structure based on BBO algorithm and power grid survivability
  • Method for constructing core backbone grid structure based on BBO algorithm and power grid survivability
  • Method for constructing core backbone grid structure based on BBO algorithm and power grid survivability

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Embodiment Construction

[0033] The present invention proposes a new method for constructing the core backbone grid structure considering the system survivability, constructs the survivability index system of the power grid system from the three aspects of resistance, recoverability, and connectivity, and obtains the survivability comprehensive index; The objective function is to minimize the total length of core backbone network lines and maximize the comprehensive index of survivability, and take network connectivity and safe operation of the power grid as constraints; through the introduction of cosine migration model, premature judgment mechanism, variable scale chaos and Cauchy mutation strategy The biogeographical optimization algorithm searches for the optimal core backbone grid scheme.

[0034] The concrete implementation of the inventive method comprises the following steps:

[0035] Step 1. Establish a survivability index system considering the resistance, recoverability and connectivity of ...

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Abstract

The invention discloses a method for constructing a core backbone grid structure based on BBO algorithm and power grid survivability. The method comprises the following steps: establishing a survivability index system taking the resistance, recoverability and connectivity of a power grid into consideration, and determining an integrated survivability index of the power grid system according to the survivability index system; step 2, using the minimum total length of a circuit and the maximum integrated survivability index as an objective function to construct a mathematical model of the core backbone grid structure; step 3, using a biogeography optimization algorithm to search the mathematical model of the core backbone grid structure and construct the core backbone grid structure of the power grid system. The method can quickly and accurately obtain a reasonable solution to the core backbone grid structure.

Description

technical field [0001] The invention relates to differentiated planning of electric power systems, and more specifically relates to a method for constructing a core backbone grid based on a BBO algorithm and power grid survivability. Background technique [0002] In recent years, because the fortification standards of power facilities cannot resist the increasingly frequent extreme natural disasters, my country's power grid has been repeatedly damaged by extreme natural disasters such as freezing, typhoons, and earthquakes. Therefore, it is necessary to design its disaster resistance standards differently according to the geographical location and climatic conditions of different lines. The purpose of differentiated planning and design is to determine the core backbone grid composed of important lines that can guarantee the continuous power supply of important loads in the event of major natural disasters. Therefore, the construction of the core backbone grid is of great si...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/50G06Q50/06
Inventor 刘涤尘董飞飞吴军王浩磊宋春丽潘旭东赵一婕冀星沛
Owner WUHAN UNIV
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