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- Title
A Control Strategy for Bidirectional Isolated 3-Phase Current-Fed Dual Active Bridge Converter.
- Authors
Lee, Dong-Min; Hyun, Seung-Wook; Kang, Jin-Wook; Won, Chung-Yuen; Noh, Yong-Su
- Abstract
This paper examines the characteristics of the zero voltage switching (ZVS) and zero voltage transition (ZVT) soft-switching applied in the 3-phase current fed dual active bridge (3P-CFDAB) converter, which combines the advantages of the dual active bridge (DAB) converter and current-fed full bridge (CFFB) converter. When an active clamp circuit is added to the CFFB converter, the circuit configuration of the DAB converter is shown in part of the entire circuit. This allows the use of pulse width modulation (PWM) techniques which combine the PWM techniques of both the DAB converter and CFFB converter. The proposed converter performs both duty and phase control at the same time in order to reduce the circulating current and ripple current of the output capacitor, which are the disadvantages of the CFFB converter and DAB converter. In addition, the ZVS and ZVT soft switching areas were analyzed by means of the phase current and leakage inductor current in each transformers. To verify the principle and feasibility of the proposed operation techniques, a simulation and experiment were implemented with the 3P-CFDAB.
- Subjects
CONVERTERS (Electronics); CONTROL theory (Engineering); ZERO voltage switching; CLAMPING circuits; BRIDGE circuits; PULSE width modulation
- Publication
Electronics (2079-9292), 2018, Vol 7, Issue 10, p214
- ISSN
2079-9292
- Publication type
Article
- DOI
10.3390/electronics7100214