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Method, system and device for quick access and exit of mobile energy storage without power outage

A mobile energy storage and fast technology, applied in circuit devices, electrical components, AC network circuits, etc.

Pending Publication Date: 2021-06-11
国网江苏综合能源服务有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention provides a method, system and device for fast access and withdrawal of mobile energy storage without power failure, which solves the problems disclosed in the background technology

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  • Method, system and device for quick access and exit of mobile energy storage without power outage
  • Method, system and device for quick access and exit of mobile energy storage without power outage

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Embodiment Construction

[0036] The present invention will be further described below in conjunction with the accompanying drawings. The following examples are only used to illustrate the technical solution of the present invention more clearly, but not to limit the protection scope of the present invention.

[0037] A mobile energy storage fast access and exit method without power failure, comprising the following steps:

[0038] Step 1: In response to the normal power supply of the grid to the load, the connection of the power supply line between the mobile energy storage device and the load, and the start-up of the mobile energy storage device, the mobile energy storage device is controlled to connect to the grid and stand by.

[0039] Step 2, in response to detecting grid abnormality, control the mobile energy storage device to operate off-grid, and disconnect the power supply line between the grid and the load; wherein, if the real-time detected grid voltage / frequency exceeds the preset range, th...

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Abstract

The invention discloses a method for quick access and exit of mobile energy storage without power outage. The method comprises the following steps of: in response to normal power supply of a power grid to a load, connection of a power supply line between a mobile energy storage device and the load and starting of the mobile energy storage device, controlling the mobile energy storage device to be in grid-connected standby; in response to detected power grid abnormality, controlling the mobile energy storage device to operate in an off-grid manner, and disconnecting a power supply line between the power grid and the load; in response to detecting that the power grid is recovered, adjusting the output of the mobile energy storage device; and in response to the condition that the output of the mobile energy storage device and the recovered power grid output meet a preset rule, connecting the power supply line between the power grid and the load, and controlling the mobile energy storage device to be in grid-connected standby. Meanwhile, the invention discloses a corresponding system and device. According to the method, the system and the device, by controlling the operation state of the mobile energy storage device, and controlling the on-off of the power supply lines between the mobile energy storage device and the load and between the power grid and the load, the uninterrupted power supply to the load in the mobile energy storage access and exit processes is realized, and the power outage during access and exit is avoided.

Description

technical field [0001] The invention relates to a method, system and device for fast access and withdrawal of mobile energy storage without power failure, and belongs to the technical field of mobile energy storage. Background technique [0002] At present, when all kinds of mobile energy storage devices are connected to the power distribution system, the process is complicated and the connection time is long. Due to the diversification of electrical devices on the power protection site, there are often access points that appear when the incoming cables are connected to the user-side busbars. Phenomena such as unreliability and no electrical protection often require power outage processing when connecting and exiting mobile energy storage, and reducing access efficiency also violates the meaning of power protection. Therefore, there is an urgent need for a fast connection and Get out of technology. Contents of the invention [0003] The present invention provides a mobile...

Claims

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Application Information

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IPC IPC(8): H02J3/00H02J3/38
CPCH02J3/0073H02J3/388
Inventor 周显威樊森杨波李跃龙
Owner 国网江苏综合能源服务有限公司
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