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Comprehensive power distribution network optimization planning method based on gene modified chaos genetic algorithm

A technology of gene repair and chaotic inheritance, applied in the direction of gene model, calculation, instrument, etc., can solve the problems of regardless of investment cost, poor investment return ratio, distribution network optimization planning, etc., to achieve good governance effect, reduce investment, and solve problems. The effect of poor return on investment

Inactive Publication Date: 2013-02-06
南京软核科技有限公司 +1
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Problems solved by technology

The loss reduction technical measure is a comprehensive optimization measure, and it is not suitable to transform from a certain aspect alone. Because there is no comprehensive and comprehensive consideration of how to carry out the all-round optimization planning of the distribution network, the best optimization planning effect cannot be obtained.
[0006] The objective function of the conventional model rarely takes economic benefits into consideration. When the investment cost is not considered, although a relatively effective optimization planning effect can be obtained, the optimization planning scheme with a huge investment cost will be obtained, and the investment return ratio is poor.
In the current environment of insufficient investment in my country's distribution network, it is impossible to reasonably guide the investment planning and transformation of the distribution network

Method used

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  • Comprehensive power distribution network optimization planning method based on gene modified chaos genetic algorithm
  • Comprehensive power distribution network optimization planning method based on gene modified chaos genetic algorithm
  • Comprehensive power distribution network optimization planning method based on gene modified chaos genetic algorithm

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Embodiment Construction

[0028] The present invention first needs to build a distribution network COP model with the ratio of network loss reduction to total investment as the objective function. It includes two parts: the objective function model, and the investment model for comprehensive optimization and transformation of distribution network.

[0029] 1. Establish distribution network COP investment model,

[0030] 1) Objective function,

[0031] Establish the COP model of the distribution network, and take the ratio of the total reduction of network loss to the total investment as the objective function, as shown in formula 1-1:

[0032] max f = W total / cost total (1-1)

[0033] In the formula, W total Indicates the total reduction of network loss, cost total Indicates the theoretical total cost invested after the implementation of the optimized planning measures, W total The calculation of is shown in formula 1-2:

[0034] (1-2)

[0035] In the ...

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Abstract

The invention relates to a comprehensive power distribution network optimization planning method based on a gene modified chaos genetic algorithm. The comprehensive power distribution network optimization planning method is characterized by including the steps of (1), establishing a power distribution network COP (coefficient of performance) investment model, (2) determining optimization variable, and (3) a GR-CGA (gene-repair chaos genetic algorithm). The comprehensive power distribution network optimization planning method has a certain value on theoretical research and practicability value, a power distribution network COP scheme can be generated via a program to perform quantitative analysis on power grid loss, quantitative treatment measure optimization and effectiveness evaluation for a power grid, an experiential treatment measure can be changed to a quantitative scientific decision treatment measure, treating effect is controllable, best treating effect can be achieved with the least cost, and an optimal investment program scheme can be provided to limited programming reformation investment for the current power grid.

Description

technical field [0001] The present invention proposes a comprehensive optimization planning (COP) method for distribution network. On the basis of traditional network loss reduction and voltage quality improvement, the method adds an investment cost factor to achieve the maximum loss reduction effect within unit investment. . Background technique [0002] Distribution network planning refers to the design of a system expansion or transformation plan based on the analysis and research of the current situation of the distribution network. At present, my country's distribution network has high line loss rate, low voltage qualification rate, and low investment funds. However, the distribution network is an important link at the end of the power network, and the quality of power supply directly affects the power consumption of users. Comprehensive optimization planning of distribution network can make limited investment focus on solving outstanding problems, improve power suppl...

Claims

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Application Information

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IPC IPC(8): G06Q10/04G06Q50/06G06N3/12
CPCY04S10/545Y02E40/76Y02E40/70Y04S10/50
Inventor 王朝明马春生张凌云詹卫军汪志奕胡明贵应军李浙学应辉
Owner 南京软核科技有限公司
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