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

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Appendix C

Setting Up Difference Equation (1.33)

For this effort, Figure 1.1, with some component renamed, is repeated here to avoid flipping pages and to aid learning efficiency (Figure C.1).

image
Figure C.1 Parts, in Figure 1.1, Surrounding Error Amplifier and Input Filter Renamed to Match (1.33).

A nomenclature issue shall be spelled out prior to analytical derivation.

In electrical system studies, the wordings of state variables are invoked quite frequently in setting up differential equations describing electrical circuit functions. Accordingly, capacitor voltages and inductive currents in Figure 1.1, repeated earlier, albeit some symbol changes, ...

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