Patent ID: 11940335
Assignee: LG ENERGY SOLUTION, LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC G  H  Y | IPC G  H

Claim 3:
4. The system of claim 1, wherein when the BMS receives a battery temperature detection request in a state where the reference resistor is not connected with the one or more temperature detecting sensors, the BMS is configured to:
sequentially connect the reference resistor with the one or more temperature detecting sensors, and
calculate a resistance value of each of the one or more connected temperature detecting sensors based on Equation 2 below, R
      n
     
     =
     
      
       
        V
        n
        ′
       
       
        
         V
         p
        
        -
        
         V
         n
         ′
        
       
      
      ×
      
       (
       
        
         R
         p
        
        +
        
         
          ∑
          
           a
           =
           1
          
          
           n
           -
           1
          
         
          
         
          R
          a
         
        
       
       )
      
     
    
   
   
    
     〈
     
      Equation
      ⁢
         
      2
     
     〉, wherein, Rn is a resistance value of an nth temperature detecting sensor, Vp is a voltage value of the voltage output, Vn is a voltage value of the temperature detection voltage applied to the nth temperature detecting sensor, Rp is a resistance value of the reference resistor, and Σa=nn-1 Ra is a sum of the resistance values from the temperature detecting sensor located at a foremost end to an n−1th temperature detecting sensor, and is equal to zero when n=1.