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A hybrid energy storage system and its application method

A hybrid energy storage system and data technology, applied in the direction of electric energy storage systems, electric vehicles, electrical components, etc., can solve the problems of short service life, short service life of energy storage systems, increase the workload of staff replacement and maintenance, etc., to achieve The effect of improving the service life

Active Publication Date: 2016-04-20
SHANDONG SACRED SUN POWER SOURCES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved in this application is to provide a hybrid energy storage system and its application method to solve the problems caused by the limited characteristics of the lead-acid battery pack as the energy storage system due to its short service life in the prior art. The short life of the energy storage system and other conditions increase the workload of staff replacement and maintenance, and reduce the technical problems of staff work efficiency

Method used

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  • A hybrid energy storage system and its application method
  • A hybrid energy storage system and its application method
  • A hybrid energy storage system and its application method

Examples

Experimental program
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Effect test

Embodiment 1

[0072] It can be seen from the above scheme that the first embodiment of a hybrid energy storage system provided by this application is to combine the lead-acid battery pack and the lithium-ion battery pack in parallel, and use the voltage detection unit and the temperature detection control unit to perform the terminal of the two battery packs. The acquisition of the voltage data and the battery temperature data of the lithium-ion battery pack is triggered by the main control unit according to the terminal voltage data of the two battery packs and the battery temperature data of the lithium-ion battery. charge and discharge control of each battery pack to realize hybrid energy storage of lead-acid battery packs and lithium-ion battery packs.

[0073] In Embodiment 1 of the present application, charge and discharge control is performed by connecting the lead-acid battery pack and the lithium-ion battery pack in parallel, and utilizing the characteristic that the discharge platf...

Embodiment 7

[0108] Based on the implementation structure of the hybrid energy storage system in each of the above embodiments, its corresponding application method or the charging and discharging working state of the hybrid energy storage system can refer to the following text description, that is, an application method of a hybrid energy storage system provided by this application Embodiment 7, as described below, the method may include:

[0109] The main control unit generates a discharge control command, and the charge-discharge switch control unit performs a switching action according to the discharge control command, so that the lead-acid battery pack and the lithium-ion battery pack connected in parallel are connected in series with the charge-discharge interface unit, The lead-acid battery pack and the lithium-ion battery pack simultaneously discharge and operate the charge-discharge interface unit;

[0110] The voltage detection unit acquires the first terminal voltage data of the...

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Abstract

The invention discloses a hybrid energy storage system and an application method thereof. The hybrid energy storage system comprises a lead-acid battery pack, a lithium ion battery pack, a voltage detection unit, a temperature detection control unit, a charging and discharging switch control unit and a main control unit, wherein the lithium iron battery pack is in parallel connection with the lead-acid battery pack, and the open-circuit voltage of the lithium ion battery pack is consistent with that of the lead-acid battery pack; the voltage detection unit is used for obtaining first end voltage data of the lead-acid battery pack and second end voltage data of the lithium ion battery pack; the temperature detection control unit is used for obtaining battery temperature data of the lithium ion battery pack; the charging and discharging switch control unit is respectively connected with the lead-acid battery pack and the lithium ion battery pack; the main control unit is respectively connected with the voltage detection unit, the temperature detection control unit and the charging and discharging switch control unit and is used for triggering the charging and discharging switch control unit to control charging and discharging of the lead-acid battery pack and the lithium ion battery pack through a charging and discharging interface unit according to the first end voltage data, the second end voltage data and the battery temperature data.

Description

technical field [0001] The present application relates to the technical field of energy control, in particular to a hybrid energy storage system and an application method thereof. Background technique [0002] At present, for small power supply systems, such as wind / solar household systems, solar street lights, backup power supplies, etc., lead-acid energy storage battery packs are usually selected as the energy storage system to complete the energy storage and energy supply work of the system. [0003] However, lead-acid battery packs usually have limitations such as short service life. In the application of energy storage and energy supply, the life of the energy storage system is short, which increases the workload of staff for replacement and maintenance, and reduces the number of staff. work efficiency. Contents of the invention [0004] The technical problem to be solved in this application is to provide a hybrid energy storage system and its application method to s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J15/00H02J7/00
Inventor 隋延波张良孔令成马强
Owner SHANDONG SACRED SUN POWER SOURCES