Dc chopper - power supplies , Electrical Engineering

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DC chopper

This is  one stage  conversion  device  which is used for direct conversion of fixed  de voltage at a level to an adjustable dc voltage  at another  level.

743_DC chopper.PNG

                                                                                    Figure  DC Chopper

Chopper is high speed on/ off semiconductor switch  is represented  by a switch  SW with an  arrow  as shown  no current will flow  if the  switch  is off  and when it is on  current will flow  in the direction of  arrow only.


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