Power battery system analysis method and system
The invention relates to a power battery system analysis method and system, and the method is characterized in that the method comprises the steps: building an equivalent circuit model of a single cell according to the characteristic parameters of the single cell in a to-be-researched multi-pack par...
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| creator | CHEN YANG YANG CHAO YE MING WANG ZHIXIANG WANG ANMIN JIANG XUYIN WANG WENLIN |
| description | The invention relates to a power battery system analysis method and system, and the method is characterized in that the method comprises the steps: building an equivalent circuit model of a single cell according to the characteristic parameters of the single cell in a to-be-researched multi-pack parallel power battery system; constructing an aging model of the single cell, and setting the capacity retention rate and the internal resistance growth rate of the single cell at the end of the service life; constructing a multi-pack parallel power battery system simulation model of the to-be-researched multi-pack parallel power battery system; simulation analysis is carried out on the backflow charging phenomenon of the to-be-researched multi-pack parallel power battery system to obtain battery state parameter changes of the to-be-researched multi-pack parallel power battery system when the backflow charging phenomenon occurs, and then the overcharge voltage of a single cell in the to-be-researched multi-pack paral |
| format | Patent |
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constructing an aging model of the single cell, and setting the capacity retention rate and the internal resistance growth rate of the single cell at the end of the service life; constructing a multi-pack parallel power battery system simulation model of the to-be-researched multi-pack parallel power battery system; simulation analysis is carried out on the backflow charging phenomenon of the to-be-researched multi-pack parallel power battery system to obtain battery state parameter changes of the to-be-researched multi-pack parallel power battery system when the backflow charging phenomenon occurs, and then the overcharge voltage of a single cell in the to-be-researched multi-pack paral</description><language>chi ; eng</language><subject>BASIC ELECTRIC ELEMENTS ; CALCULATING ; COMPUTING ; COUNTING ; ELECTRIC DIGITAL DATA PROCESSING ; ELECTRICITY ; MEASURING ; MEASURING ELECTRIC VARIABLES ; MEASURING MAGNETIC VARIABLES ; PHYSICS ; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY ; 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| subjects | BASIC ELECTRIC ELEMENTS CALCULATING COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING ELECTRICITY MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PHYSICS PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY TESTING |
| title | Power battery system analysis method and system |
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