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PEPSO-basedsiting and sizing method optimization method of distribution type power supply

A technology of distributed power generation, site selection and fixed capacity, which is applied in the field of power system, and can solve problems such as single consideration of the target and inflexibility of the optimization process

Inactive Publication Date: 2016-06-29
STATE GRID HEBEI ELECTRIC POWER RES INST +2
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Problems solved by technology

[0003] The current optimized site selection and capacity determination of distributed power generation has not formed a comprehensive and perfect model, and there are defects in the consideration of a single goal and inflexible optimization process

Method used

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  • PEPSO-basedsiting and sizing method optimization method of distribution type power supply

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Embodiment Construction

[0150] In order to make the object, technical scheme and advantages of the present invention clearer, the following in conjunction with the attached Figure 1-2 and specific examples to clearly and completely describe the invention.

[0151] like figure 1 and figure 2 As shown, when planning the distribution network and considering the access of distributed power generation, the optimal calculation of the access position and capacity of distributed power generation is carried out, and the optimal construction plan is finally obtained.

[0152] When the distributed power generation is connected to the distribution network for optimal planning of the distribution network, this embodiment establishes a complete multi-objective optimization mathematical model, which covers various factors such as economy, reliability and environmental protection, and is based on A new and improved multi-objective particle swarm optimization algorithm PEPSO is used for optimization calculation, ...

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Abstract

The invention discloses a PEPSO-basedsiting and sizing method optimization method of a distribution type power supplyand belongs to the field of electric systems. The method is rapid, precise, effective and proper and is mainly provided for planning optimization of a power distribution network including a distribution type power supply. The objective is to determine an optimal access position and the capacity of the distribution type power supply. The technological means include capacity expanding of a transformer substation, circuit transformation upgrading and new accessing of the distribution power supply. The method is advantageous in that a complete multi-target optimization teaching model is established; the model covers multiple aspects of actors such as economic performance, reliability and environment protection; optimization seeking calculation is carried out based on a novel improved multi-target particle group algorithm PEPSO; a construction planning scheme is determined via the fuzzy decision technology; and power grid auxiliary analysis programs are compiles and planned based on the method, and the optimization seeking calculation is carried out, so a feasible scheme set is formed and an optimal scheme is determined.

Description

technical field [0001] The invention belongs to the field of electric power systems, and relates to a PEPSO-based method for optimizing the site selection and capacity determination of distributed power sources. Allow. Background technique [0002] Distribution network planning is an important part of power system planning. Through site selection and capacity adjustment of substations and optimization of grid structure, network losses can be effectively reduced, power flow distribution and power supply reliability can be improved. The access of distributed power to the distribution network can make up for the shortcomings of the single centralized power supply of the traditional power grid. Power access system has become a trend. Therefore, when planning the distribution network, considering the optimal access location and capacity of distributed power can improve the reliability of system operation, reduce network loss, and improve energy utilization. [0003] The curren...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/04G06Q50/06
CPCG06Q10/04G06Q50/06Y02E40/70Y04S10/50
Inventor 马慧卓李晓军刘翔宇刘清泉
Owner STATE GRID HEBEI ELECTRIC POWER RES INST
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