2001 | OriginalPaper | Buchkapitel
Steady-State Equivalent Circuit Modeling, Losses, and Efficiency
verfasst von : Robert W. Erickson, Dragan Maksimović
Erschienen in: Fundamentals of Power Electronics
Verlag: Springer US
Enthalten in: Professional Book Archive
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Let us now consider the basic functions performed by a switching converter, and attempt to represent these functions by a simple equivalent circuit. The designer of a converter power stage must calculate the network voltages and currents, and specify the power components accordingly. Losses and efficiency are of prime importance. The use of equivalent circuits is a physical and intuitive approach which allows the well-known techniques of circuit analysis to be employed. As noted in the previous chapter, it is desirable to ignore the small but complicated switching ripple, and model only the important dc components of the waveforms.