| Summary: | 碩士 === 國立海洋大學 === 電機工程學系 === 84 === The operating efficiency of a power supply can be highly
promoted due to t-he invention of soft-switching one. There
are many works on the subject about how to minimize the loss on
the switching moment owing to the promoted operating frequency
by achieving zero-voltage or zero-current switching. We
suggest a new zero-voltage resonant converter topology which can
be usedof the isolation transformer made of saturable core.Thus
not only the trigger circuit could be omitted but also a
lossless switch could be obtained. In this thesis,we first
deduce the waveform equations in time-domain to at-tribute to
the steady state analysis.Then by these equations,values of all
ele-ments can be obtained,and thus the practical circuits can be
put into realizat-ion cuccessively which we make a comparision
with theory.
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