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The dual-active-bridge (DAB) topology is ideally suited for high-power dc-dc conversion, especially when bidirectional power transfer is required. However, it has the drawback of high circulating currents and hard switching at light loads, if wide variation in input and output is expected. To address these issues, this paper presents a comprehensive analysis and experimental results with pulsewidth-modulation...
This paper presents remote experiments, currently available in the Industrial Electronics course, at Faculty of Engineering of Porto University (FEUP), its pedagogical effectiveness assessment and obtained results. The remote experiments aim Students to extend current work at the lab and were implemented as part of the National Portuguese Project: POCI 2010 Labs on The Web. The paper shows the technology...
The dual active bridge (DAB) topology is ideally suited for high power dc-dc conversion. This paper presents a comprehensive analysis and experimental results with PWM control of the DAB. The PWM control is in addition to phase shift modulation between the two H-bridges. The analysis includes PWM of one bridge at a time and of both bridges simultaneously. In the latter, five distinct modes arise based...
In this paper, a novel interleaving control strategy for DC/DC converters is proposed and applied to a new isolated DC-DC converter configuration with two paralleled half-bridge structure at the primary side and a new rectification method at the secondary side of the transformers, aiming at to optimize the design of transformers and reduce the rectifier diodes voltage stresses. The concept of this...
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