Proceedings ArticleDOI
Analysis of High Frequency Flyback Converters For High-voltage Low-power Applications
Bin Zhao,Gang Wang,Dong Lei Wang +2 more
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TLDR
In this article, a new working mode of the high frequency Flyback converter for the highvoltage low power applications, such as atomic clock, ion analysers, high voltage ignition system, vacuum electronic devices etc.Abstract:
This paper proposes a new working mode of the high frequency Flyback converter for the high-voltage low-power applications, such as atomic clock, ion analysers, high voltage ignition system, vacuum electronic devices etc. With the proposed working mode, the main switch of the Flyback converter can achieve Zero Voltage Switching (ZVS) without extra auxiliary switch. Due to the advantage of ZVS, the Flyback converter can operate under high frequency and high efficiency conditions. As a result, the volume of the passive components can be reduced and the power density of the converter can be improved. The proposed working mode of high-frequency Flyback converter is validated by simulations and experiments.read more
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Proceedings ArticleDOI
Auxiliary Power Supply with SiC MOSFET for Wide-Range High Voltage Input Applications
TL;DR: In this article, a SiC-based QR flyback auxiliary power supply for high voltage applications is proposed, and the design scheme for auxiliary power input and output power supply is validated, where the Quasi-Resonant (QR) topology is selected to reduce losses and EMI level.
References
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Journal ArticleDOI
A High Efficiency Flyback Converter With New Active Clamp Technique
TL;DR: In this article, a flyback converter with a non-complementary active clamp control method is proposed, where the absorbed leakage energy is transferred to the output and input side.
Journal ArticleDOI
AI Algorithm-Based Two-Stage Optimal Design Methodology of High-Efficiency CLLC Resonant Converters for the Hybrid AC–DC Microgrid Applications
TL;DR: The leakage inductances of a planar transformer are used as the resonant inductances and the magnetic design of the CLLC resonant converter based on artificial intelligence (AI) algorithm is proposed.
Journal ArticleDOI
Investigation of Transformer Winding Architectures for High-Voltage (2.5 kV) Capacitor Charging and Discharging Applications
TL;DR: In this article, the authors present analytical expressions for calculating leakage inductance, self-capacitance, and ac resistance in transformer winding architectures, ranging from the common noninterleaved primary/secondary winding architecture, to an interleaved, sectionalized, and bank winded architecture.
Journal ArticleDOI
An Improved Partially Interleaved Transformer Structure for High-Voltage High-Frequency Multiple-Output Applications
TL;DR: The proposed partially interleaved structure features lower leakage inductance, smaller AC capacitance and lower rate of AC-DC resistance, which is suitable for high-frequency high-efficiency applications.
Journal ArticleDOI
Modeling, Analysis, and Implementation of High Voltage Low Power Flyback Converter Feeding Resistive Loads
TL;DR: In this article, an analytical energy-based model is derived, which includes the effect of parasitic capacitances, and is valid for steady state and dynamics of HVLP flyback converters feeding resistive loads.