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Optimal placement method for micro-grid and micro-source capacity based on island division

A technology of island division and capacity optimization, applied in data processing applications, system integration technology, forecasting, etc., can solve problems such as complex distribution network structure

Active Publication Date: 2019-01-08
杭州孚嘉科技有限公司
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Problems solved by technology

Although DG access to the distribution network can meet the increasing load demand and improve the comprehensive utilization rate of energy, it also makes the structure of the distribution network more and more complicated.

Method used

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  • Optimal placement method for micro-grid and micro-source capacity based on island division
  • Optimal placement method for micro-grid and micro-source capacity based on island division
  • Optimal placement method for micro-grid and micro-source capacity based on island division

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Embodiment Construction

[0161] The detailed steps of the micro-grid and micro-source capacity optimization location method based on island division of the present invention are described as follows:

[0162] 1) Input the network parameters, load parameters and micro-source parameters: input the original structure of the distribution network, the line parameters of each branch, the load active and reactive power of each node, the wind speed and light intensity of the DG node to be installed, etc. The predicted value of factors, the DG capacity parameters and the maximum number of installed DG nodes on the DG node to be installed, the controllable active power and uncontrollable active power of each node load, and the transmission power limit of each line.

[0163] 2) Typical day analysis: In order to simplify the island division optimization process of the distribution network with DG, according to the load parameters and wind speed and light parameters of the distribution network in a year, select the...

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Abstract

The present invention discloses a micro-grid and micro-source capacity optimization address distribution method based on islanding. The method comprises the following steps of: 1) inputting an initial parameter; 2) analyzing a typical day; 3) setting an initial parameter of a quantum evolution algorithm; 4) obtaining an optimization parameter by an inner layer optimization method; 5) calculating a fitness value of a particle; 6) updating a local optimal vector and a global optimal vector; 7) using a biological evolution rule to update a position value of the particle; 8) performing local search; 9) performing convergence checking; and 10) outputting a result. By introducing an islanding concept, the present invention proposes the micro-grid and micro-source capacity optimization address distribution method considering islanding.

Description

technical field [0001] The invention relates to a location optimization method for micro-source capacity of a distribution network considering distributed energy, in particular to an optimization method for micro-source capacity configuration of a distribution network operating in an island state. Background technique [0002] With the strengthening of distribution network construction and the maturity of micro-grid technology, the penetration rate of distributed generation (DG) in the power grid continues to increase. Although DG access to the distribution network can meet the increasing load demand and improve the comprehensive utilization rate of energy, it also makes the structure of the distribution network more and more complicated. When dealing with the micro-source capacity allocation problem of the distribution network containing distributed energy, due to the real variability of the micro-source output, the optimal capacity allocation determined at a certain moment...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06Q10/04G06Q50/06
CPCY02E40/70Y04S10/50
Inventor 王晶陈骏宇
Owner 杭州孚嘉科技有限公司
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