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Multi-microgrid optimization method based on improved JAYA algorithm

A multi-microgrid and optimization method technology, applied in computing, computing models, instruments, etc., can solve problems such as premature convergence of swarm optimization algorithms

Pending Publication Date: 2020-07-24
CHINA THREE GORGES UNIV
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Problems solved by technology

However, the above swarm optimization algorithms all have the problem of premature convergence.

Method used

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  • Multi-microgrid optimization method based on improved JAYA algorithm
  • Multi-microgrid optimization method based on improved JAYA algorithm
  • Multi-microgrid optimization method based on improved JAYA algorithm

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Embodiment Construction

[0052] The multi-microgrid optimization method based on the improved JAYA algorithm is implemented as follows:

[0053] figure 1 It is the control structure diagram of grid-connected multi-microgrid. The multi-microgrid consists of two microgrids, and each microgrid includes loads, energy storage batteries and distributed power generation units composed of photovoltaics, wind turbines and micro gas turbines. Each microgrid is connected to the common bus of the multi-microgrid system, and connected to the distribution network through the multi-microgrid power nodes.

[0054] Among them, the multi-microgrid parameters are: the rated power of wind turbine WT1 is 100kW, the rated power of photovoltaic PV1 is 70kW, the rated power of PV2 is 80kW, the rated power of micro gas turbine MT1 is 100kW, the rated power of MT2 is 90kW, and the rated capacity of energy storage battery BAT1 is 250kW. h, the rated capacity of BAT2 is 100kW·h.

[0055] figure 2 It is the flow chart of the...

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Abstract

The invention discloses a multi-microgrid optimization method based on an improved JAYA algorithm. The multi-microgrid optimization method comprises the steps of 1, establishing a multi-microgrid grid-connected optimization model; 2, establishing a microgrid economic operation constraint condition; 3, introducing a nonlinear mutation operator to improve a JAYA algorithm; and 4, solving the multi-microgrid grid-connected optimization model by using an improved JAYA algorithm, thereby obtaining the output power of each power supply in the multi-microgrid. According to the multi-microgrid optimization method based on the improved JAYA algorithm, the solving precision is high, and the anti-premature convergence capability is high.

Description

technical field [0001] The invention belongs to the technical field of micro-grid optimization operation, and in particular relates to a multi-micro-grid optimization method based on an improved JAYA algorithm. Background technique [0002] As an effective way of local consumption of distributed energy, microgrids have developed rapidly. With the development of microgrids, multi-microgrid systems formed by some closely connected microgrids in local areas have begun to appear. Compared with single microgrid, multi-microgrid has higher operational stability and economy, and is more conducive to the high penetration and comprehensive utilization of new energy. In order to realize the optimal dispatch of distributed generation units, maximize the economic benefits of the microgrid owners in the multi-microgrid and improve the operation stability of the multi-microgrid, it is necessary to conduct in-depth research on the economic operation strategy of the multi-microgrid. [000...

Claims

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Application Information

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IPC IPC(8): G06Q10/04G06Q10/06G06Q50/06G06N3/00
CPCG06Q10/04G06Q10/067G06Q50/06G06N3/006
Inventor 王灿董庆国张高瑞陈思睿田恬
Owner CHINA THREE GORGES UNIV
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