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Power ElectronicsSemi-Converters

For a single-phase semi-converter with continuous load current, the average output voltage is?

  • AVm(1+cos alpha)/pi
  • B2Vm cos alpha/pi
  • CVm(1-cos alpha)/(2pi)
  • D2Vm/pi independent of alpha
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Correct Answer: A. Vm(1+cos alpha)/pi
Explanation: The ideal single-phase semi-converter average output is Vdc=Vm(1+cos alpha)/pi for continuous current.
Reference: Standard power electronics: semi-converters
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