Search Results - "Andersen, M.A.E."

Hysteresis controller with constant switching frequency by Poulsen, S., Andersen, M.A.E.

“…Switch mode audio power amplifiers are showing up on market in still greater numbers because of advantages in form of high efficiency and low total system…”
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Empiric analysis of zero voltage switching in piezoelectric transformer based resonant converters by Rodgaard, M.S, Andersen, T, Andersen, M.A.E

“…Research and development within piezoelectric transformer (PT) based converters are rapidly increasing, as the technology is maturing and starts to prove its…”
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Carrier Distortion in Hysteretic Self-Oscillating Class-D Audio Power Amplifiers: Analysis and Optimization by Hoyerby, M.C.W., Andersen, M.A.E.

“…An important distortion mechanism in hysteretic self-oscillating (SO) class-D (switch mode) power amplifiers-carrier distortion-is analyzed and an optimization…”
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High-Efficiency Isolated Boost DC-DC Converter for High-Power Low-Voltage Fuel-Cell Applications by Nymand, M., Andersen, M.A.E.

“…A new design approach achieving very high conversion efficiency in low-voltage high-power isolated boost dc-dc converters is presented. The transformer…”
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Constant Switching Frequency Self-Oscillating Controlled Class-D Amplifiers by Nguyen-Duy, K., Knott, A., Andersen, M. A. E.

“…The self-oscillating control approach has been used extensively in class-D amplifiers. It has several advantages such as high bandwidth and high audio…”
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Investigation of Heat Sink Efficiency for Electronic Component Cooling Applications by Staliulionis, Z., Zhang, Z., Pittini, R., Andersen, M. A. E., Tarvydas, P., Noreika, A.

“…Research and optimisation of cooling of electronic components using heat sinks becomes increasingly important in modern industry. Numerical methods with…”
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Thermal Modelling and Design of On-board DC-DC Power Converter using Finite Element Method by Staliulionis, Z., Zhang, Z., Pittini, R., Andersen, M. A. E., Noreika, A., Tarvydas, P.

“…Power electronic converters are widely used and play a pivotal role in electronics area. The temperature causes around 54 % of all power converters failures…”
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Wide Operating Voltage Range Fuel Cell Battery Charger by Hernandez, J. C., Mira, M. C., Sen, G., Thomsen, O. C., Andersen, M. A. E.

“…DC-DC converters for fuel cell applications require wide voltage range operation due to the unique fuel cell characteristic curve. Primary parallel isolated…”
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New Primary-Parallel Boost Converter for High-Power High-Gain Applications by Nymand, M., Andersen, M.A.E.

“…A new simple and low cost method for paralleling multiple power stages in high-power high-gain isolated full-bridge boost converters is presented. A small…”
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Efficient wide range converters (EWiRaC): a new family of high efficient AC-DC converters by Petersen, L., Andersen, M.A.E.

“…The performance in terms of efficiency of the existing power supplies used for PFC is very dependent on the input voltage range. The boost converter is the…”
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Envelope tracking power supply with fully controlled 4th order output filter by Hoyerby, M.C.W., Andersen, M.A.E.

“…This paper describes the derivation of a practical solution to designing a medium-power non-isolated DC/DC power converter with very low output ripple voltage…”
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A novel dual-input isolated current-fed DC-DC converter for renewable energy system by Zhe Zhang, Thomsen, O C, Andersen, M A E, Nielsen, H R

“…In this paper, a novel isolated current-fed DC-DC converter (boost-type) with two input power sources based on multi-transformer structure, which is suitable…”
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Reducing ac-winding losses in high-current high-power inductors by Nymand, M., Madawala, U.K., Andersen, M.A.E., Carsten, B., Seiersen, O.S.

“…Foil windings are preferable in high-current high-power inductors to realize compact designs and to reduce dc-current losses. At high frequency, however,…”
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What is the best converter for low voltage fuel cell applications- a Buck or Boost? by Nymand, M., Tranberg, R., Madsen, M.E., Madawala, U.K., Andersen, M.A.E.

“…Among many converter topologies that have been proposed and developed for low voltage fuel cell applications, isolated full-bridge Buck and Boost converters…”
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Optimized envelope tracking power supply for Tetra2 base station RF power amplifier by Hoyerby, M.C.W., Andersen, M.A.E.

“…An ultra-fast tracking power supply (UFTPS) for envelope tracking in a 50 kHz 64-QAM Tetra2 base station power amplification system is demonstrated. A simple…”
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Self-oscillating soft switching envelope tracking power supply for Tetra2 base station by Hoyerby, M.C.W., Andersen, M.A.E.

“…This paper presents a high-efficiency, high-bandwidth solution to implementing an envelope tracking power supply for the RF power amplifier (RFPA) in a Tetra2…”
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Comparison of state-of-the-art digital control and analogue control for high bandwidth point of load converters by Jakobsen, L.T., Schneider, H., Andersen, M.A.E.

“…The purpose of this paper is to present a comparison of state-of-the-art digital and analogue control for a buck converter with synchronous rectification. The…”
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Digitally controlled envelope tracking power supply for an RF power amplifier by Jakobsen, L.T., Andersen, M.A.E.

“…A new digital self-oscillating (DiSOM) modulator is presented in this paper. The advantage of the DiSOM is that it allows the sampling frequency of the digital…”
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Digitally Controlled Offline Converter with Galvanic Isolation Based on an 8-bit Microcontroller by Jakobsen, L.T., Andersen, M.A.E.

“…This paper presents an offline AC/DC converter with digital control and galvanic isolation that can be implemented using cheap commercially available…”
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A 0.35μm 50V CMOS sliding-mode control IC for buck converters by Hoyerby, M.C.W., Andersen, M.A.E., Andreani, P.

“…This paper presents a hysteretic (sliding mode) control IC for a buck DC/DC converter for use as an envelope tracking power supply to increase the efficiency…”
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