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03/03/2018

Compare Natural Commutation and Forced Commutation


  • It is possible only in the DC circuit. 
  • As there is no natural zero current in the DC circuit, extra commutation circuit ( which include L and C ) requires in order to turn off the SCR.
  • The forced commutation may be voltage commutation or current commutation. 
  • Class A, Class B, Class C, Class D and Class E are example of forced commutation. 
  • Some power loss takes place in the commutation circuit.
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