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Emergency power supply method and device and system

An emergency power supply system and emergency power supply technology, applied in the field of electric power, can solve problems such as unstable power supply, and achieve the effect of improving the utilization rate of electric energy

Active Publication Date: 2019-05-24
STATE GRID BEIJING ELECTRIC POWER +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The main purpose of the present invention is to provide an emergency power supply method, device and system to solve the problem of unstable power supply when only the power battery of an electric vehicle is used as the emergency power supply in the related art

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  • Emergency power supply method and device and system
  • Emergency power supply method and device and system

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Embodiment Construction

[0022] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0023] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiment of the application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiment of the application. Obviously, the described embodiment is only It is an embodiment of a part of the application, but not all of the embodiments. 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.

[0024] It should be noted that the terms "first" and "second" in ...

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Abstract

The invention discloses an emergency power supply method, device and system. The method comprises the following steps: judging whether an AC power grid for supplying power to an electricity consumption system is cut off; if the AC power grid is cut off, controlling a master emergency power supply module to start to supply power to the electricity consumption system; after controlling the master emergency power supply module to start to supply power to the electricity consumption system, judging whether a first slave emergency power supply module meets a first starting condition, wherein the first slave emergency power supply module comprises a power battery arranged on a first electric automobile; and if the first slave emergency power supply module meets the first starting condition, controlling the first slave emergency power supply module to start to supply power to the electricity consumption system. Through the method, the problem of unstable power supply caused when the power battery of the electric automobile serves as the emergency power supply in the prior art is solved.

Description

technical field [0001] The present invention relates to the field of electric power, in particular to an emergency power supply method, device and system. Background technique [0002] When an electric vehicle is parked in a place, it is usually connected to a power system in the place to charge the electric vehicle. In important places where electricity is used, conventional emergency power supplies are often configured to provide emergency power supplies in case of power outages and other emergencies. [0003] In recent years, scholars from various countries have studied the power battery of electric vehicles as an emergency power supply, and proposed an optimal distribution method for electric vehicles to participate in emergency power supply of urban power grids as mobile power sources, but this scheme can only use electric vehicles as emergency power supplies, and The power of electric vehicles is not fixed, and the mobility of electric vehicles is high, and they may d...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J9/02H02J3/32
CPCH02J3/32H02J9/02
Inventor 宫成马龙飞张宝群焦然杨烁丁屹峰李香龙
Owner STATE GRID BEIJING ELECTRIC POWER
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