Patent ID: 11946976
Assignee: SK ON CO., LTD.
Field: Measurement (Instruments)
Classification: CPC G  Y | IPC G

Claim 4:
5. The apparatus for measuring an insulation resistance of claim 3, wherein the insulation resistance measurement unit measures the resistance value of the positive electrode insulation resistor of the battery through the following Equation 1:, Riso
    ⁢
    
      
    
    ⁢
    1
  
  =
  
    
      
        (
        
          
            Vb
            -
            Vdc
          
          
            V
            ⁢
            
              
            
            ⁢
            2
          
        
        )
      
      ⁢
      R
      ⁢
      
        
      
      ⁢
      2
    
    -
    
      (
      
        
          R
          ⁢
          
            
          
          ⁢
          2
        
        +
        
          Ron
          ⁢
          
            
          
          ⁢
          2
        
      
      )
    
  

where Riso1 is the resistance value of the positive electrode insulation resistor of the battery, Vb is a voltage of the battery, Vdc is a voltage of the direct current voltage source, V2 is the second voltage applied to the second distribution resistor, R2 is a resistance value of the second distribution resistor, and Ron2 is a resistance of the second protective resistor.