Proceedings ArticleDOI
A true PWM zero-voltage switching pole, with very low additional RMS current stress
I. Barbi,D.C. Martins +1 more
- pp 261-267
TLDR
In this paper, a converter topology referred to as true pulsewidth modulated zero-voltage switching pole with very low additional RMS current stress is presented, which is suitable for high-power and high-frequency converters, for UPS and electric drives applications.Abstract:
A converter topology referred to as true pulsewidth modulated zero-voltage switching pole with very low additional RMS current stress is presented The main switches are turned on and off at zero-voltage without overvoltage stress, from non-load up to full-load It is regulated by the conventional PWM Auxiliary devices, such as diodes, transistors, inductors, and autotransformers, are employed, but rated at very low RMS current, leading to high efficiency and compactness Analysis, design, simulation, and experimental results are provided The converter is suitable for high-power and high-frequency converters, for UPS and electric drives applications >read more
Citations
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Journal ArticleDOI
A zero-voltage and zero-current switching full bridge DC-DC converter with transformer isolation
Seong-Jeub Jeon,Gyu-Hyeong Cho +1 more
TL;DR: In this article, a new primary-side-assisted zero-voltage and zero-current switching full bridge DC-DC converter with transformer isolation is proposed, which uses only one auxiliary transformer and two diodes to obtain ZCS for the leading leg.
Journal ArticleDOI
Analysis, designing, and experimentation of a transformer-assisted PWM zero-voltage switching pole inverter
Xiaoming Yuan,Ivo Barbi +1 more
TL;DR: In this article, a transformer-assisted PWM zero-voltage switching pole inverter with a small power auxiliary circuit and full PWM capability is proposed, where the auxiliary switch peak current/RMS current, resonant capacitor RMS current and pole output voltage loss are analyzed.
Journal ArticleDOI
An Improved Zero-Voltage Switching Inverter Using Two Coupled Magnetics in One Resonant Pole
TL;DR: In this article, a soft-switching inverter using two small coupled magnetics in one resonant pole is proposed to ensure the main switches operating at zerovoltage switching from zero load to full load and the auxiliary switches at zero-current switching with load adaptability and small current stress.
Journal ArticleDOI
High-Frequency EMI Attenuation at Source With the Auxiliary Commutated Pole Inverter
TL;DR: In this paper, an auxiliary commutated pole inverter (ACPI) topology is examined to attenuate the high-frequency content of its EMI source in a predictable manner, through the active control of the resonant circuit.
Journal ArticleDOI
Zero-current and zero-voltage soft-transition commutation cell for PWM inverters
C.M. de Oliveira Stein,Hilton Abilio Grundling,Humberto Pinheiro,Jose Renes Pinheiro,Helio Leaes Hey +4 more
TL;DR: In this paper, a universal auxiliary commutation cell for PWM inverters is proposed, which provides zero current and zero voltage commutation, simultaneously, during main power devices turn-on and turn-off, with controlled di/dt and dv/dt.
References
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Journal ArticleDOI
The resonant DC link converter-a new concept in static power conversion
TL;DR: In this paper, a resonant DC-link inverter was proposed and realized with the addition of only one small inductor and capacitor to a conventional voltage source inverter circuit.
Proceedings ArticleDOI
The auxiliary resonant commutated pole converter
R.W. De Doncker,J.P. Lyons +1 more
TL;DR: The auxiliary resonant commutated pole (ARCP) as discussed by the authors is a new power converter topology that fully achieves soft switching without increasing primary device voltage or current ratings, and is capable of true pulse-width modulation (PWM) control of each phase.
Journal ArticleDOI
Resonant snubbers with auxiliary switches
TL;DR: In this paper, a lossless resonant snubberber is proposed to avoid trapping energy in a converter circuit where high dynamic stresses at both turn-on and turn-off are normally encountered.
Journal ArticleDOI
A rugged soft commutated PWM inverter for AC drives
TL;DR: A novel DC/AC power converter for variable-speed AC motor drives using the zero voltage switching technique is described and the soft commutation reduces the constraints on the switches and the PWM enables simple and efficient regulation of the power flow.
Proceedings ArticleDOI
Three phase sine wave voltage source inverter using the soft switched resonant poles
J.G. Cho,D.Y. Hu,Gyu-Hyeong Cho +2 more
TL;DR: In this article, a zero-voltage-switching-based three-phase voltage source inverter is presented, which can be operated on a higher power level than the conventional resonant DC-link inverters with the same ratings.