Optimizing configuration method of alternating current/direct current hybrid microgrid

An AC-DC hybrid and optimized configuration technology, applied in the direction of a single AC network with different frequencies, can solve problems such as poor operation optimization configuration scheme and inability to utilize the complementary characteristics of wind, solar and water resources

Pending Publication Date: 2019-11-19
GUANGDONG UNIV OF TECH
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Problems solved by technology

[0004] In order to overcome the problems that the existing AC-DC hybrid micro-grid cannot utilize the complementary characteristics of wind, wind and water resources and the operation optimization configuration scheme is not good, the present invention provides an AC-DC hybrid micro-grid optimization configuration method, which ...

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  • Optimizing configuration method of alternating current/direct current hybrid microgrid
  • Optimizing configuration method of alternating current/direct current hybrid microgrid
  • Optimizing configuration method of alternating current/direct current hybrid microgrid

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Embodiment Construction

[0072]The following will clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, rather than all the embodiments. 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.

[0073] Embodiments of the invention include:

[0074] Such as Figure 1-2 As shown, an AC-DC hybrid microgrid optimization configuration method is applied to the AC-DC hybrid microgrid. The AC-DC hybrid microgrid includes the AC sub-microgrid and the DC sub-microgrid. The AC sub-microgrid includes small hydropower, wind turbines and AC Loads, small hydropower, wind turbines and AC loads in the AC sub-microgrid are all connected to the main grid, and the DC sub-microgrid is connected to the AC sub-microgrid through a ...

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Abstract

The invention relates to an optimizing configuration method of an alternating current/direct current hybrid microgrid. The method includes the following steps: S1, collecting data of an area where analternating current/direct current hybrid microgrid is located, and constructing a data set; S2, performing pre-processing on the data; S3, constructing a multi-objective capacity optimization configuration model; S4, solving the optimization configuration Pareto optimal solution set; and S5, selecting the most suitable configuration scheme. Complementary characteristics of wind-light-water resources can be fully achieved through the method, the utilization rate of renewable energy can be further enhanced, dependence of the microgrid on large power grids can be reduced, economy of a microgridsystem can be increased, and optimization configuration can be better performed on the integral alternating current/direct current hybrid microgrid.

Description

technical field [0001] The invention relates to the technical field of optimal configuration of micro-grids, in particular to an optimal configuration method for AC-DC hybrid micro-grids. Background technique [0002] Microgrid is one of the effective ways to utilize new energy. In recent years, more and more renewable energy sources have been connected to the grid in the form of microgrids and have been well utilized. However, with the increase in the types of distributed power sources and the growth of DC loads, the structure of the AC microgrids commonly used in the past The limitations of the DC microgrid are becoming more and more obvious, and the pure DC microgrid also has disadvantages such as expensive converter equipment and high reactive power consumption. The AC-DC hybrid microgrid combines the advantages of the AC microgrid and the DC microgrid, and can effectively integrate a variety of distributed power sources and energy storage devices into the distribution ...

Claims

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Application Information

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IPC IPC(8): H02J3/02
CPCH02J3/02
Inventor 毛骁吴杰康任德江赵俊浩张文杰
Owner GUANGDONG UNIV OF TECH
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