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Energy storage system, control method and intermittent power supply energy storage device

A technology of an energy storage system and a control method, applied in the field of energy storage, can solve the problems of complex system operation logic judgment, low scalability of the energy storage system, low applicability of energy storage technology, etc., and achieves easy implementation and operation logic. The effect of simple judgment and strong device applicability

Active Publication Date: 2020-12-15
GREE ELECTRIC APPLIANCES INC +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] (1) The applicability of the existing energy storage technology is not strong, and the scalability of the energy storage system is not high
[0006] (2) The structure of the existing energy storage system is complex, the logic judgment of the system operation is complicated, and the system is difficult to realize

Method used

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  • Energy storage system, control method and intermittent power supply energy storage device
  • Energy storage system, control method and intermittent power supply energy storage device
  • Energy storage system, control method and intermittent power supply energy storage device

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Embodiment Construction

[0041] In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.

[0042] Aiming at the problems existing in the prior art, the present invention provides an energy storage system, a control method and an intermittent power storage device. The present invention will be described in detail below with reference to the accompanying drawings.

[0043] like figure 1 Shown is a structural diagram of an energy storage system provided by an embodiment of the present invention. The energy storage system consists of an energy storage battery 1 and a control system 2, wherein the energy storage battery 1 can be composed of a first battery pack 10, a second battery pack 11 to an Nth battery ...

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Abstract

The invention belongs to the technical field of energy storage, and discloses an energy storage system, a control method and an intermittent power supply energy storage device. The system comprises: an energy storage battery which is used for storing electric energy; and a control system which is connected with the energy storage battery and used for detecting real-time parameters of the energy storage battery and controlling the charging and discharging process of the energy storage battery. The energy storage battery is formed by connecting a first battery pack, a second battery pack to an Nth battery pack in series. The control system comprises a BMS battery management system, a display interaction module, a circuit breaker, a reset button, a DC / DC low-voltage module power supply, a protective tube, a KM1 pre-charging relay, a KM2 total positive relay, a KM3 total negative relay, a KM4 power supply relay, a pre-charging resistor and a bidirectional DC / DC converter. The energy storage system disclosed by the invention is strong in expansibility, strong in applicability, high in expansibility, capable of covering energy storage systems with different capacity levels, simple in system operation logic judgment and easy to realize.

Description

technical field [0001] The invention belongs to the technical field of energy storage, and in particular relates to an energy storage system, a control method and an intermittent power storage device. Background technique [0002] At present, with the large-scale development and utilization of new energy, the energy storage technology, especially the battery energy storage technology, which is applied to improve the grid-connected capability of intermittent power sources, has received attention and development. Energy storage technology runs through all aspects of power generation, transmission, distribution and electricity consumption in the power system. Energy storage on the power generation side has the following advantages and functions: load regulation, smooth intermittent energy, increase new energy consumption, increase grid reserve capacity, and participate in frequency regulation. ;Transmission and distribution energy storage has the following advantages and functi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J7/00H02J3/32
CPCH02J7/0013H02J7/0031H02J7/0048H02J7/007186H02J3/32Y02E70/30
Inventor 朱伟睿刘智亮赖普旭林喜东
Owner GREE ELECTRIC APPLIANCES INC
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