Chapter 10

Current-Fed Converter

Abstract

Another picture also emerges from all the chapters presented so far, that is, the voltage sourcing nature of all converter outputs shown till now. Without additional measure, voltage source is more susceptible to overload (over current) damage. Chapter 10 gives one approach that provides power supply in current sourcing form. With that, output overloading gets curtailed to some extent.

Keywords

current-fed
current-sourcing
voltage-sourcing
compensator
error amplifier
transfer function
gain margin
phase margin
loop gain
bilinear transform
digital filter

10.1. Merit of current–fed

In Figure 1.1, the source vs, at the junction of rectifiers D1 and D2 feeding the output LC filter, is a pulsating PWM voltage. ...

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