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Power ElectronicsDC Choppers

For an ideal step-down DC chopper with continuous current, the average output voltage is?

  • AD Vs
  • BVs/D
  • C(1-D)Vs
  • D-D Vs
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Correct Answer: A. D Vs
Explanation: For an ideal buck-type chopper, the average load voltage is Vo=DVs, where D is the duty ratio.
Reference: Standard power electronics: dc choppers
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