Results 11 to 20 of about 49,792 (309)
A ripple reduction method for a two stages battery charger with multi-winding transformer using notch filter [PDF]
, 2017 This paper presents a two-stage battery charger consisting of a bridgeless Totem-pole power factor correction (TP-PFC) circuit and a full bridge converter with a multi-winding transformer.
Allanf, Peter +5 more
core +2 more sources
Energies, 2020 This paper presents a full-bridge active-clamp forward-flyback (FBACFF) converter with an integrated transformer sharing a single primary winding. Compared to the conventional active-clamp-forward (ACF) converter, the proposed converter has low voltage ...
Jaeil Baek, Han-Shin Youn
doaj +1 more source
Frequency Characteristics of Power Transformer for Isolated DC-DC Converter
IEEE Access, 2022 The operational frequency of a transformer is an important factor in the configuration of an isolated DC-DC converter. However, discussions of this frequency are inadequate. This study focuses on the frequency characteristics of the transformers.
Takayuki Nakamura, Toshiyuki Murakami
doaj +1 more source
A new behavioural model for performance evaluation of common mode chokes [PDF]
, 2007 A galvanically isolated three-phase AC/AC converter with a high-frequency AC-link has been analyzed from an EMC point of view. This is a special configuration because of a large number of switches, a high frequency transformer, and a fourwire output. The
Bergsma, H. +5 more
core +4 more sources
A High-Power-Density Active-Clamp Converter with Integrated Planar Transformer
Energies, 2022 This paper proposes an active-clamp forward-flyback (ACFF) converter with an integrated planar transformer for wide-input voltage and high-output current applications, such as low-voltage direct-current (LDC) converters in electric vehicles.
Dae-Woo Lee +3 more
doaj +1 more source
Transformer-Coupled Converter for Voltage Modulation Techniques [PDF]
IEEE Transactions on Power Electronics, 2013 In high performance digital systems as well as in RF systems, voltage scaling and modulation techniques have been adopted to achieve a more efficient processing of the energy. The implementation of such techniques relies on a power supply that is capable of rapidly adjusting the system supply voltage.
González Sánchez, Mª Carmen +5 more
openaire +2 more sources
The Journal of Engineering, 2019 The insulation co-ordination of converter transformer winding has a great influence on power system security. An equivalent circuit of a 500 kV converter transformer winding structure, including a LC equivalent network circuit and an ideal transformer in
Hongrui Jia +4 more
doaj +1 more source
Study of medium frequency transformer by using ultra‐thin silicon steel sheet in DC‐DC converter
IET Power Electronics, 2022 In order to solve the problems of poor thermal stability and high frequency noise of transformer in traditional DC‐DC converter, the medium frequency transformer in isolated DC‐DC converter is designed and studied, which adopts 0.15 mm ultra‐thin silicon
Dezhi Chen +5 more
doaj +1 more source
Design optimization of a high-power transformer for three-phase dual active bridge DC-DC converter for MVDC grids [PDF]
, 2016 High-power DC-DC converter will be one of the essential technologies for the future DC grids. Especially, a three-phase dual-active bridge DC-DC (3DAB) Converter is highly suitable for high-power DC systems.
Feldman, Ralph +4 more
core +1 more source
IEEE Access, 2020 Compact and low profile power converters are the main business of today's power industry. A significant volume of a power converter is occupied by the power transformer.
M. Abu Bakar +2 more
doaj +1 more source