Introduction

  • DC-DC Converter is also known as DC Chopper
  • A DC Chopper can be considered as DC Equivalent to an AC Transformer with a continuously variable turns ratio
  • Like a transformer it can be used to step-down and step-up a DC Voltage Source

Application

  • Traction Motor Control in Electric Automobiles
  • Trolley Cars
  • Marine Hoists
  • Forklift Trucks
  • Mine Haulers
  • Regenerative braking of DC Motors
  • DC Voltage Regulators

Pros

  • Provide smooth acceleration control
  • High Efficiency
  • Fast Dynamic Response

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