Optimal Design and Tradeoff Analysis of Planar Transformer in High-Power DC–DC Converters
- Z. Ouyang, O. C. Thomsen, M. Andersen
- EngineeringIEEE transactions on industrial electronics…
- 1 July 2012
An improved interleaving structure with optimal behaviors is proposed, which constructs the top layer paralleling with the bottom layer and then in series with the other turns of the primary, so that a lower magnetomotive force ratio m can be obtained, as well as minimized ac resistance, leakage inductance, and even stray capacitance.
Overview of Planar Magnetic Technology—Fundamental Properties
- Z. Ouyang, M. Andersen
- PhysicsIEEE transactions on power electronics
- 1 September 2014
The momentum toward high efficiency, high frequency, and high power density in power supplies limits wide use of conventional wire-wound magnetic components. This paper gives an overview of planar…
High-Efficiency Isolated Boost DC–DC Converter for High-Power Low-Voltage Fuel-Cell Applications
- M. Nymand, M. Andersen
- EngineeringIEEE transactions on industrial electronics…
- 1 February 2010
A new design approach achieving very high conversion efficiency in low-voltage high-power isolated boost dc-dc converters is presented, demonstrating that an extensive interleaving of primary and secondary windings is needed to avoid high winding losses.
Discontinuous PWM Modulation Strategy With Circuit-Level Decoupling Concept of Three-Level Neutral-Point-Clamped (NPC) Inverter
- Zhe Zhang, O. C. Thomsen, M. Andersen
- EngineeringIEEE transactions on industrial electronics…
- 1 May 2013
The decoupling principle including the driving signal synthesis and the NP potential variation are analyzed in detail in this paper and the viability and performance of the proposed modulation scheme are shown through simulation and experimental results in a laboratory prototype.
A VHF class E DC-DC converter with self-oscillating gate driver
- T. Andersen, Soren K. Christensen, A. Knott, M. Andersen
- EngineeringApplied Power Electronics Conference
- 6 March 2011
The presented topology, which consists of a class E inverter, class E rectifier, and self-oscillating gate driver, is inherently resonant, and switching losses are greatly reduced by ensuring Zero Voltage Switching of the power semiconductor devices.
Digital Control of a High-Voltage (2.5 kV) Bidirectional DC--DC Flyback Converter for Driving a Capacitive Incremental Actuator
- P. Thummala, D. Maksimović, Zhe Zhang, M. Andersen
- EngineeringIEEE transactions on power electronics
- 21 January 2016
This paper presents a digital control technique to achieve valley switching in a bidirectional flyback converter used to drive a dielectric electroactive polymer-based capacitive incremental…
Conduction losses and common mode EMI analysis on bridgeless power factor correction
- Qingnan Li, M. Andersen, O. C. Thomsen
- EngineeringInternational Conference on Power Electronics and…
- 1 November 2009
In this paper, a review of Bridgeless Boost power factor correction (PFC) converters is presented at first. Performance comparison on conduction losses and common mode electromagnetic interference…
Modular space-vector pulse-width modulation for nine-switch converters
- S. Dehghan, Arash Amiri, M. Mohamadian, M. Andersen
- Engineering
- 25 June 2013
Recently, nine-switch inverter (NSI) has been presented as a dual-output inverter with constant frequency (CF) or different frequency (DF) operation modes. However, the CF mode is more interesting…
Analysis and Design of a Bidirectional Isolated DC–DC Converter for Fuel Cells and Supercapacitors Hybrid System
- Zhe Zhang, Z. Ouyang, O. C. Thomsen, M. Andersen
- EngineeringIEEE transactions on power electronics
- 1 February 2012
Electrical power systems in future uninterruptible power supplies or electrical vehicles may employ hybrid energy sources, such as fuel cells and supercapacitors. It will be necessary to efficiently…
The Benefits of SiC mosfets in a T-Type Inverter for Grid-Tie Applications
- Alexander Anthon, Zhe Zhang, M. Andersen, D. G. Holmes, B. Mcgrath, C. Teixeira
- EngineeringIEEE transactions on power electronics
- 1 April 2017
It is well known that multilevel converters can offer significant benefits in terms of harmonic performance and reduced switching losses compared to their two-level counterparts. However, for lower…
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