Silicon carbide (SiC) devices are considered as key enablers for the development of highly
efficient and compact dc-dc converters for low-and medium-voltage applications. Besides …

A three-phase () dual-active-bridge (DAB) dc-dc converter built with a medium frequency
transformer with Y-connected windings has low efficiency and low transformer utilization in …

The transformer of a dual-active-bridge (DAB) converter is usually designed to operate with
fundamental frequency ranging from a few kHz to hundreds of kHz, depending on the …

High-frequency transformers are the core components of power electronic transformers
(PET), whose insulation is deeply threatened by high voltage (HV) and high frequency (HF) …

This paper discusses the procedure for the determination of the optimum leakage
inductance of a medium frequency transformer (MFT) for a quasi-two-level (Q2L) operating …

Ein besonderer Dank gilt meinem Doktorvater Prof. Rik W. De Doncker, der mir die
Möglichkeit zur Promotion gegeben hat und mich auf dem Weg dorthin immer …

The leakage inductance of the transformer in a dual active bridge (DAB) dc–dc converter
directly impacts the ac current waveforms and the power factor; thus, it can be considered a …

High-Frequency Transformers (HFTs) are one of the key elements of high-power converters
in weight and volume restricted applications. HFTs are the main contributor to realize the …

The increased power and voltage ratings of semiconductors fosters the use in medium
voltage components, such as ac-dc converters. With a bipolar medium frequent rectangular …

This paper presents a comparison between efficiencies of the conventional two-level Dual-
Active-Bridge (2L-DAB) and the Multi-Level Dual-Active-Bridge (ML-DAB) DC-DC converters …