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Multi-port energy router design method for microgrid

A design method and multi-port technology, applied in the direction of circuit device, DC network circuit device, load balance in DC network, etc., can solve problems such as unstable system operation, system disconnection failure, unbalanced output of power supply, etc.

Pending Publication Date: 2021-03-16
ELECTRIC POWER RES INST STATE GRID SHANXI ELECTRIC POWER +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The current research mostly focuses on conventional droop control, etc., and these research methods and conclusions are likely to cause unstable system operation and lead to serious failures such as system disconnection when the output of the power supply is unbalanced.

Method used

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  • Multi-port energy router design method for microgrid
  • Multi-port energy router design method for microgrid
  • Multi-port energy router design method for microgrid

Examples

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Embodiment Construction

[0054] The specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings. It should be noted here that the descriptions of these embodiments are used to help understand the present invention, but are not intended to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below may be combined with each other as long as they do not constitute a conflict with each other.

[0055] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Counterclockwise", "Axial", The orientation or positional relationship indicated by "radial", "circumferential", etc. is based on the orientation or positional relationship shown in the drawing...

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Abstract

The invention relates to the technical field of comprehensive energy, and particularly discloses a multi-port energy router design method for a microgrid, which comprises the following steps: S1, conducting topology design based on a multi-port energy router of a cascade architecture, wherein the multi-port energy router based on the cascade architecture comprises an AC / DC converter, a DC / DC converter and input and output ports; S2, determining an input port of the cascaded multi-port energy router; S3, determining an output port of the cascaded multi-port energy router; and S4, determining the bidirectional power transmission characteristic of the cascaded multi-port energy router according to the cascaded multi-port energy router. According to the energy router, bidirectional flow of power can be realized, proportional distribution of energy can be realized by the energy router, and effective technical support is provided for reasonable scheduling of energy in the AC-DC hybrid microgrid.

Description

technical field [0001] The invention relates to the technical field of comprehensive energy, in particular to a design method for a multi-port energy router used in a microgrid. Background technique [0002] With the continuous enrichment of energy types and the continuous growth of scale, the distributed energy access and consumption methods represented by microgrids have gradually increased in voltage levels. Although raising the voltage level can effectively reduce the power loss on the transmission line, considering that the traditional micro-grid equipment is connected in parallel, this will greatly increase the equipment investment cost of the intermediate voltage transformation link. [0003] With the development of economy and society, electric energy has increasingly become the main driving force of social development. Photovoltaic, energy storage and electric vehicle charging and other related power conversion and applications have tended to develop in multiple di...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J1/10H02J1/14
CPCH02J1/10H02J1/14H02J1/106
Inventor 常潇王金浩任远李胜文潘捷薛志伟杨超颖唐保国雷达李慧蓬王锬樊瑞张世锋赵军张敏高枫
Owner ELECTRIC POWER RES INST STATE GRID SHANXI ELECTRIC POWER
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