Patent ID: 11882889
Assignee: UT-BATTELLE, LLC
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC A  G  H | IPC A  G  H

Claim 2:
3. The apparatus of claim 2, where integrating the deviation signal over one or more cycles is executed according to:, γ
   ⁡
   (
   k
   )
  
  =
  
   
    ❘
    "\[LeftBracketingBar]"
   
   
    
     ∑
     
      n
      =
      0
     
     
      N
      -
      1
     
    
     
    
     (
     
      
       x
       dev
      
      (
      
       k
       +
       n
      
      )
     
     )
    
   
   
    ❘
    "\[RightBracketingBar]"
   
  
 

where γ comprises the measurement of the deviation signal, k is a sample index, and N is a number of sampled values in one or more cycles that varies with estimated grid frequency.