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This paper focuses on a new dc-dc family, in which the lagging leg of a phase-shifted full bridge (PSFB) converter is also used to structure a new half bridge (HB) branch. Such a shared-lagging-leg (SLL) concept not only extends the ZVS range of lagging leg, but also provides another energy path for possible function extension, such as efficiency improvement and dynamical enhancement. In this paper,...
This paper proposed the design and optimization of parallel DC-DC system for high power applications. A current-driven phase shift full bridge (CD-PSFB) converter with fewer components, lower voltage stress and no snubber is chosen as one of the modules in parallel system and several attractive features that are fit for parallel are analyzed in detail. The amount of CD-PSFB module is first selected...
A new dual output dc-dc converter is proposed in this paper. The first output works as a conventional full bridge converter; by connecting a LLC resonant tank to the lagging leg, a half bridge resonant converter is structured, and the second output is obtained. The first output is regulated by the phase shift and the second output by the switching frequency. Both of the outputs are fully regulated...
A novel dual output DC-DC converter is proposed in this paper. In the proposed converter, one operational period is divided into two complementary parts, and two output branches with complementary pulse widths are structured. One output is fully regulated by the pulse width modulation; the other output is affected by the complementary pulse width but compensated by the switching frequency. Using the...
In three-phase inverters, three-pole reactors and transformers are frequently used for consideration of cost and size. However, the magnetic couples between three phases make dynamic analysis of three-phase inverters very difficult. This paper will establish the dynamic model of three-phase inverters with three-pole reactors and three-pole transformers based on instantaneous symmetrical components...
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