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Site selection and constant volume optimization method and system for distributed power sources

A distributed power supply, constant capacity optimization technology, applied in the direction of instruments, data processing applications, forecasting, etc., can solve problems such as comprehensive evaluation of distribution networks that are difficult to contain distributed power sources, and reduce the possibility of falling into the global optimum. Improvement of operational efficiency and reliability

Inactive Publication Date: 2015-03-25
STATE GRID CORP OF CHINA +3
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Problems solved by technology

[0003] In view of this, the embodiment of the present invention provides a distributed power source site selection and capacity optimization method and system to solve the problem of using the evaluation scheme with a single index as the evaluation function in the prior art, which makes it difficult to The problem of conducting an effective comprehensive evaluation of the

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  • Site selection and constant volume optimization method and system for distributed power sources
  • Site selection and constant volume optimization method and system for distributed power sources
  • Site selection and constant volume optimization method and system for distributed power sources

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Embodiment Construction

[0052] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0053]figure 1 The flow chart of the distributed power generation site selection and constant capacity optimization method provided for the embodiment of the present invention uses an evaluation scheme based on comprehensive evaluation indicators, that is, safety indicators, economic indicators and stability indicators, to improve the distribution network. Operational efficiency and reliability, using the improved particle swarm algorithm to obtain the optimal ...

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Abstract

The embodiment of the invention provides a site selection and constant volume optimization method and system for distributed power sources. The method includes the steps that an initial group with the individual number being 2n is generated with power distribution network structural information and capacity information of the positions of the distributed power sources as individuals; n individuals in the initial group are taken as a search group, all the individuals in the search group are subjected to load flow calculation according to improved particle swarm optimization, the fitness of each individual is obtained according to comprehensive evaluation indexes, the position information of each individual is updated so that an offspring group can be generated, and after the predetermined algebra offspring group is generated, the position information of the optimal individual in the last generation is output; the other n individuals in the initial group are taken as a detection group, random iteration is performed on the detection group according to improved particle swarm optimization, and after the number of predetermined iteration times is achieved, the historical optimal position information in the detection group is output; according to the position information of the optimal individual and the historical optimal position information, a final optimization configuration scheme is obtained.

Description

technical field [0001] The invention relates to the field of power system optimization design, in particular to a distributed power source site selection and capacity optimization method and system. Background technique [0002] The site selection and capacity determination of distributed power generation refers to the optimal allocation of distribution network resources by setting the access point and access capacity of distributed power generation in the distribution network. It mainly refers to the reliability, stability and economic optimization of distributed power generation access to the grid, and multiple indicators can also be normalized by principal component analysis. The optimization technology involves distribution network power flow and island division with distributed power generation, and the optimization also involves regional load forecasting and geographical environment factors. Analyze the location and capacity of distributed power generation through heu...

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Application Information

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IPC IPC(8): G06Q10/04G06Q50/06
CPCG06Q10/04G06Q50/06
Inventor 徐悦傅振宇俞键陈小平傅卫弟
Owner STATE GRID CORP OF CHINA
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