Patent ID: 11921165
Assignee: SK ON CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC G  H  Y | IPC G  H

Claim 8:
9. The method for calculating characteristics of a battery of claim 8, wherein the method for calculating the insulation resistances of the battery uses the following equation:, Risop
  =
  
   
    
     A
     /
     B
    
    -
    A
    -
    
     [
     
      
       (
       
        A
        ×
        D
        ×
        E
       
       )
      
      /
      
       (
       
        E
        -
        
         D
         ×
         E
        
       
       )
      
     
     ]
    
   
   
    1
    +
    
     [
     
      
       (
       
        A
        ×
        D
       
       )
      
      /
      
       (
       
        E
        -
        
         D
         ×
         E
        
       
       )
      
     
     ], Rison
  =
  
   
    
     E
     /
     D
    
    -
    E
    -
    
     [
     
      
       (
       
        A
        ×
        E
        ×
        B
       
       )
      
      /
      
       (
       
        A
        -
        
         A
         ×
         B
        
       
       )
      
     
     ]
    
   
   
    1
    +
    
     [
     
      
       (
       
        E
        ×
        B
       
       )
      
      /
      
       (
       
        A
        -
        
         A
         ×
         B
        
       
       )
      
     
     ]
    
   
  
 

wherein:
Risop refers to a positive electrode insulation resistance of the battery;
Rison refers to a negative electrode insulation resistance of the battery;
A refers to 1/1(1/R2+1/R3)+R1;
B refers to (Vison/Vb)×[R1+(R2∥R3)]/(R2∥R3);
D refers to (Visop/Vb)×[(R1+R2)/R2]; and
E refers to (Visop/Vb)×[(R1+R2)/R2].