SOC automatic correction system of energy storage system
An energy storage system and automatic technology, which is applied in the repair/maintenance of secondary batteries, measuring devices, instruments, etc., can solve the problems of long maintenance time, reducing the revenue value of the energy storage system, and high maintenance costs, so as to save maintenance costs and improve speed, the effect of ensuring operational stability
Pending Publication Date: 2019-02-22
SHENZHEN CLOU ELECTRONICS
View PDF0 Cites 4 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
[0005] The purpose of the present invention is to provide an energy storage system SOC automatic correction system to solve the problems of the existing SOC correction method of the energy storage system, such as long maintenance time, high maintenance cost, and reduced revenue value of the energy storage system
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0054] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention, and similar component numbers in the drawings represent similar components. Apparently, the embodiments described below are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0055] figure 1 An embodiment of the SOC automatic correction system of the energy storage system of the present invention is shown. In this example, if figure 1 As shown, the energy storage system SOC automatic correction system includes a battery management layer 3 , an execution layer 2 and an AGC control layer 1 .
[0056] Wherein, the battery management layer...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
Login to View More Abstract
The invention discloses the SOC automatic correction system of an energy storage system. The system comprises a cell management layer, an execution layer and an AGC control layer, wherein the cell management layer includes a plurality of cell management systems; each cell management system is used to obtain the SOC deviation of the system itself; the execution layer includes a plurality of energystorage converters and one centralized control device; the centralized control device is communicated and connected to each energy storage converter; each energy storage converter is communicated andconnected to one cell management system; each energy storage converter is used to receive the SOC deviation sent by the corresponding cell management system; the centralized control device is used forsending a correction control instruction to the target cell management system with a maximum SOC deviation which exceeds a preset SOC threshold; the target cell management system carries out full calibration or empty calibration, and quits a revision mode after the calibration is completed; and the AGC control layer includes one AGC, the AGC is communicated and connected to the centralized control device, and the AGC is used for receiving a frequency modulation power instruction and sending the frequency modulation power instruction to the centralized control device.
Description
technical field [0001] The invention relates to the technical field of power batteries, in particular to an automatic SOC correction system for an energy storage system. Background technique [0002] At present, there are many methods for calculating SOC (State of Charge) in energy storage systems, such as: ampere-hour method, voltage method, internal resistance method, neural network method and Kalman filter method, etc. No matter what method is used for calculation, measurement errors cannot be avoided. As time goes by, the measurement error will be accumulated and magnified, so that the deviation of the SOC will become larger and larger, and then regular SOC corrections will be required. [0003] At present, in order to ensure the continuous accuracy of the SOC of the energy storage system, manufacturers generally withdraw the battery stack from the energy storage system when the SOC of the battery stack deviates, and perform full calibration or empty calibration of the ...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/3835H01M10/42
CPCH01M10/42Y02E60/10
Inventor 但助兵邓荣钦袁虎叶天意
Owner SHENZHEN CLOU ELECTRONICS