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Energy router, and method for controlling energy flow of alternating current/direct current hybrid power distribution network

An AC-DC hybrid and router technology, applied in the field of energy Internet, can solve the problems of low energy utilization rate and insufficient energy control flexibility.

Inactive Publication Date: 2019-02-22
ELECTRIC POWER RESEARCH INSTITUTE OF STATE GRID SHANDONG ELECTRIC POWER COMPANY +1
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0004] The present application provides an energy router and a method for controlling the energy flow of an AC / DC hybrid distribution network, so as to solve the problems in the prior art that the energy router is not flexible enough to control energy and the energy utilization rate is low

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  • Energy router, and method for controlling energy flow of alternating current/direct current hybrid power distribution network
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  • Energy router, and method for controlling energy flow of alternating current/direct current hybrid power distribution network

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Embodiment Construction

[0071] In order to enable those skilled in the art to better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described The embodiments are only some of the embodiments of the present application, but not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the scope of protection of this application.

[0072] In order to better understand the present application, the implementation manner of the present application will be explained in detail below in conjunction with the accompanying drawings.

[0073] The energy router in this application is applied to an AC / DC hybrid distribution network. see figure 1 , figure 1 It is a schematic ...

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Abstract

The invention discloses an energy router, and a method for controlling energy flow of an alternating current / direct current hybrid power distribution network. The energy router includes a first directcurrent bus, a second direct current bus, a third direct current bus, a first energy exchange module, a second energy exchange module, an energy control module, a fault isolation module, and a powerinterface module. The different direct current buses are connected by the first energy exchange module; the direct current buses are connected to an alternating current power distribution network through the second energy exchange module; the power interface module is connected to external devices. The method includes the following steps of performing state monitoring on internal and external devices of the energy router; and judging whether a first power interface or / and a connected external device is faulty according to state monitoring data, and separately starting the first power interfaceor a second power interface for processing. Through the energy router and the control method, the flexibility of energy flowing of the alternating current / direct current power distribution network can be improved, alternating current / direct current energy can be fully coordinated, and the energy utilization rate and the grid stability can be improved.

Description

technical field [0001] The present application relates to the technical field of energy Internet, in particular to an energy router and a method for controlling energy flow of an AC / DC hybrid distribution network. Background technique [0002] As an important part of the smart grid, the distribution network is a key link to ensure the reliability and quality of power supply for users. As a large number of distributed new energy sources, micro-grids and diversified loads are connected to the distribution network, the traditional distribution network has changed from a passive network to an active network, and the power flow has changed from unidirectional to multi-directional. The operating characteristics of the distribution network, The protection and control strategies are becoming more and more complex, and the AC-DC hybrid distribution network can solve the challenges faced by the traditional distribution network in a more economical way. The energy router is an importa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J5/00
CPCH02J5/00
Inventor 刘洋王倩王峰孙勇李立生樊迪刘合金张林利张世栋邵志敏苏国强周超李龙龙秦佳峰辜超
Owner ELECTRIC POWER RESEARCH INSTITUTE OF STATE GRID SHANDONG ELECTRIC POWER COMPANY
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