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Optimal allocation method for distributed generation

A distributed power supply and optimized configuration technology, applied in the direction of circuit devices, electrical components, AC network circuits, etc., can solve problems such as unfavorable optimal operation of distribution network, increased loss of distribution network lines, and reduced energy utilization rate

Inactive Publication Date: 2019-08-20
ANHUI UNIV OF SCI & TECH
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Problems solved by technology

[0002] Distributed power generation refers to small power generation devices with an installed capacity of several kilowatts to tens of kilowatts. It uses a large number of natural resources such as scenery to generate electricity, which is conducive to improving the pollution caused by thermal power generation. If the distributed power supply is connected to power distribution If the access location and access capacity are not selected properly, it will increase the line loss of the distribution network, reduce the utilization rate of energy, and is not conducive to the optimal operation of the distribution network. Therefore, it is necessary to find a reasonable configuration of distributed power. method

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Embodiment Construction

[0016] The distributed power supply optimization configuration method of the present invention mainly includes the following steps:

[0017] (1) Use neural network and local historical load data, scenery data, etc. to make predictions.

[0018] (2) Determine the optimization objective function and constraint conditions of distributed generation optimal configuration and distribution network reconfiguration.

[0019] (3) Use the wind power generation model and the photovoltaic model to simulate the power output value in each time period.

[0020] (4) Use an improved spider swarm optimization algorithm to determine the installation location and capacity of distributed power generation, and use the tabu search algorithm to reconstruct the distribution network in the process of power flow calculation.

[0021] Further, the specific steps of the spider swarm optimization algorithm in the step (4) to solve the optimal configuration problem of the distributed power supply are as fol...

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Abstract

The invention aims to provide an optimal allocation method for distributed generation. The optimal allocation method for the distributed generation comprises the steps of firstly, predicting the loaddata, wind speed, illumination and temperature of a certain place by combining the historical load data, illumination, temperature and wind speed of the place in recent years according to a neural network algorithm; and secondly, solving an optimal allocation model of the distributed generation by applying an improved spider swarm algorithm, and carrying out reconstruction according to a tabu search algorithm for the time during the solving process.

Description

technical field [0001] The invention relates to distributed power supply planning, in particular to a distributed power supply optimization configuration method. Background technique [0002] Distributed power generation refers to small power generation devices with an installed capacity of several kilowatts to tens of kilowatts. It uses a large number of natural resources such as scenery to generate electricity, which is conducive to improving the pollution caused by thermal power generation. If the distributed power supply is connected to power distribution If the access location and access capacity are not selected properly, it will increase the line loss of the distribution network, reduce the utilization rate of energy, and is not conducive to the optimal operation of the distribution network. Therefore, it is necessary to find a reasonable configuration of distributed power. method. Contents of the invention [0003] The purpose of the present invention is to provid...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/46
CPCH02J3/46H02J2203/20Y02A30/00
Inventor 李晓东吴孔平
Owner ANHUI UNIV OF SCI & TECH
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