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Direct-current micro grid structure and control method thereof, storage medium and processor

A DC microgrid and control method technology, applied in the field of power grids, can solve the problems that the DC microgrid structure cannot meet the stability and current sharing requirements at the same time, so as to improve the dynamic current sharing characteristics, meet the dynamic current sharing requirements, improve stability and reliability effect

Inactive Publication Date: 2018-05-11
GREE ELECTRIC APPLIANCES INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] Embodiments of the present invention provide a DC microgrid structure and its control method, storage medium, and processor to at least solve the technical problem that the DC microgrid structure in the prior art cannot simultaneously meet the requirements of stability and current sharing

Method used

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  • Direct-current micro grid structure and control method thereof, storage medium and processor
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  • Direct-current micro grid structure and control method thereof, storage medium and processor

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Embodiment Construction

[0029] In order to enable those skilled in the art to better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only It is an embodiment of a part of the present invention, but not all 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 shall fall within the protection scope of the present invention.

[0030] It should be noted that the terms "first" and "second" in the description and claims of the present invention and the above drawings are used to distinguish similar objects, but not necessarily used to describe a specific sequence or sequence. It is to be understood that the data so used are interchangeable under appropriate circ...

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Abstract

The invention discloses a direct-current micro grid structure and a control method thereof, a storage medium and a processor. The direct-current micro grid structure is composed of a direct-current bus, a plurality of converters, a plurality of converters connected in parallel to a direct-current bus, and a communication gateway connected to the plurality of converters to control sharing of the output voltages and output currents of the plurality of converters among the plurality of converters. Therefore, a technical problem that the existing direct-current micro grid structure can not meet stability and current sharing requirements at the same time in the prior art is solved.

Description

technical field [0001] The invention relates to the field of power grids, in particular to a DC micro-grid structure and a control method thereof, a storage medium, and a processor. Background technique [0002] DC microgrid is a controllable microgrid that connects micro power sources through DC bus in the form of DC transmission. As a new type of power grid system, DC microgrid can provide high-quality electric energy for individual and business users. According to the different network forms, the DC microgrid can be divided into three types: single busbar structure, double busbar structure and double-layer busbar structure; DC microgrid. A reasonable control strategy is the basis for ensuring the stable operation of the DC microgrid system. In the DC microgrid, it is only necessary to ensure the stability of the bus voltage to meet the energy balance between the power supply side and the load side; that is, only when the power supply and power consumption are maintained ...

Claims

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Application Information

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IPC IPC(8): H02J1/10
CPCH02J1/102
Inventor 李萌赵志刚蒋世用张雪芬冯重阳王京
Owner GREE ELECTRIC APPLIANCES INC