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Energy router based on multi-mode hierarchical management strategy and control method

A layered management, router technology, applied in circuit devices, AC network circuits, DC network circuit devices, etc., can solve problems such as power imbalance of energy routers, achieve miniaturization and integration, eliminate power imbalance, improve The effect of consumption

Pending Publication Date: 2022-06-07
NORTHEASTERN UNIV
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But in fact, due to the fragile characteristics of the home grid, when the load and power source change, the energy router is more prone to power imbalance, which will increase the complexity of system energy management

Method used

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  • Energy router based on multi-mode hierarchical management strategy and control method
  • Energy router based on multi-mode hierarchical management strategy and control method
  • Energy router based on multi-mode hierarchical management strategy and control method

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Embodiment Construction

[0088] The present invention will be further described below in conjunction with the accompanying drawings and embodiments;

[0089] The invention provides an energy router and a control method based on a multi-mode hierarchical management strategy.

[0090] The core function of the device is to convert the electrical energy of different voltage levels output by different distributed power sources into electrical energy of voltage levels suitable for the use of electrical appliances, and to realize its power sharing. As a compatible interface for different energy switches, one end of the device is connected to different energy sub-networks in the distributed power supply, and the other end is connected to household appliances to provide plug-and-play power for them. The device realizes voltage transformation and energy transfer in the power system through power electronic transformation technology. Compared with traditional transformers, it has the advantages of small size, h...

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Abstract

The invention provides an energy router based on a multi-mode hierarchical management strategy and a control method, and relates to the field of energy routers, hierarchical control and power sharing. Firstly, aiming at the multi-port requirements of wind energy, solar energy, energy storage and utilization, the invention provides a nine-port energy router so as to improve the consumption of renewable energy sources and the flexibility of power supply. Besides, in order to reduce the size of the energy router, a non-isolated alternating current and direct current hybrid topological structure is constructed through the embedded and integrated power electronic converter, and miniaturization of the energy router is achieved. In order to improve the utilization rate of renewable energy sources, distributed module control is provided for all parts of the energy router, voltage and frequency support is provided for the system, and power sharing of distributed power sources is achieved. On the basis, three-mode switching power exchange control is provided to ensure global energy flow balance under complex conditions.

Description

technical field [0001] The invention relates to the fields of energy routers, hierarchical control and power sharing; in particular, to an energy router and a control method based on a multi-mode hierarchical management strategy. Background technique [0002] In recent years, smart home has been vigorously promoted for its safe, convenient, comfortable and environmentally friendly life concept. With the development of the smart home trend and the improvement of the level of home automation, the widespread use of electrical appliances in smart homes has led to a sharp rise in residential energy consumption. According to the 2020 statistics of the U.S. Energy Information Administration, the energy consumption of residential buildings has reached 22% of the total energy consumption, but the proportion of renewable energy in the total energy consumption of residential buildings is only 12%. With the rapid growth of the number of smart homes, the possession of fossil fuels will ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/02H02J3/38H02J3/46H02J1/10H02J1/12
CPCH02J3/02H02J3/381H02J3/46H02J1/102H02J1/12H02J2300/24H02J2300/28Y04S20/222
Inventor 刘俊琦王睿汪翔马大中孙城皓姜韶旭孙秋野
Owner NORTHEASTERN UNIV
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