Patent ID: 11901733
Assignee: QINGYUAN POWER SUPPLY BUREAU OF GUANGDONG POWER GRID CORPORATION
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 3:
4. The hybrid passive power filter of claim 3, wherein equivalent impedance of the third-order passive filtering branch at an n-th harmonic satisfies a following relationship:, Z
   F
   
    (
    n
    )
   
  
  =
  
   j
   (
   
    
     n
     ⁢
     ω
     ⁢
     
      l
      3
     
    
    -
    
     1
     
      n
      ⁢
      ω
      ⁢
      
       c
       3
      
     
    
   
   )
  
 

wherein ω denotes a resonant angular frequency, l3 denotes an inductance of the third inductor, and c3 denotes a capacitance of the third capacitor.