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Power Converters with Digital Filter Feedback Control by Keng C. Wu

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Introduction

The mechanisms of energy transfer employed by the forward converter presented in Part I and by the flyback converter in this part are quite different.
Forward converter transfers energy directly from the input to the output load with minimum storage in between. In Figure 1.1 and Figure 2.1, neither the transformer nor the output filter serves as storage device.
By contrast, the flyback converter transfers energy sort of indirectly by storing a bucket in one-time step then dumping it (to the load) in the other. And the cycle repeats. The storing act is instituted via an inductor.
Along the same coverage sequence, Part II treats both voltage-mode and current-mode control. In theory, flyback converters can work in two conduction modes, ...

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