M. Andersen

Publications365
h-index35
Citations4,635
Highly Influential Citations131
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Optimal Design and Tradeoff Analysis of Planar Transformer in High-Power DC–DC Converters
TLDR
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. Expand
Overview of Planar Magnetic Technology—Fundamental Properties
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… Expand
High-Efficiency Isolated Boost DC–DC Converter for High-Power Low-Voltage Fuel-Cell Applications
  • M. Nymand, M. Andersen
  • Engineering, Computer Science
  • IEEE Transactions on Industrial Electronics
  • 1 February 2010
TLDR
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. Expand
Discontinuous PWM Modulation Strategy With Circuit-Level Decoupling Concept of Three-Level Neutral-Point-Clamped (NPC) Inverter
TLDR
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. Expand
Digital Control of a High-Voltage (2.5 kV) Bidirectional DC--DC Flyback Converter for Driving a Capacitive Incremental Actuator
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… Expand
A VHF class E DC-DC converter with self-oscillating gate driver
TLDR
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. Expand
Conduction losses and common mode EMI analysis on bridgeless power factor correction
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… Expand
Analysis and Design of a Bidirectional Isolated DC–DC Converter for Fuel Cells and Supercapacitors Hybrid System
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… Expand
Modular space-vector pulse-width modulation for nine-switch converters
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… Expand
Ultrafast Tracking Power Supply With Fourth-Order Output Filter and Fixed-Frequency Hysteretic Control
A practical solution is presented for the design of a non-isolated dc/dc power converter with very low output ripple voltage and very fast output voltage step response. The converter is intended for… Expand
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