Small-Signal Modeling of Pulse-Width Modulated Switched-Mode Power Converters

  title={Small-Signal Modeling of Pulse-Width Modulated Switched-Mode Power Converters},
  author={Denise L Middlebrook},
A power processing system is required to convert electrical energy from one voltage, current, or frequency to another with, ideally, 100-percent efficiency, together with adjustability of the conversion ratio. The allowable elements are switches, capacitors, and magnetic devices. Essential to the design is a knowledge of the transfer functions, and since the switching converter is nonlinear, a suitable modeling approach is needed. This paper discusses the state-space averaging method, which is… CONTINUE READING
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