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Showing 1 to 13 of 13 for “"Forward converter"”.
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Zero voltage switching flyback and forward converter topologies
… distributed power supplies. Both the flyback and forward converter topologies are good candidates for these applications, owing to their simple circuitry. These topologies, however, require practical performance improvements. Improved zero voltage switching (ZVS) flyback and forward dc/dc …
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Analysis and design of multiple-output forward converter with weighted voltage control
… the modeling and analyses of multiple-output forward converters with weighted voltage control. Based upon the analyses, the systematic design methodologies and design tools are provided. A power stage de model including all the major parasitics, which are detrimental to the output voltages, is …
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Improved Forward Topologies for DC-DC applications with Built-in Input Filter
… power conversion topologies, the single-switch forward topology is the one that has been most widely used for decades. Its popularity has been based on many factors, including its low cost, circuit simplicity and high efficiency. However, several issues need to be addressed when using the …
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Reduction of power supply EMI emission by switching frequency modulation
… possible with PWM frequency modulation scheme. A forward converter is used to verify the effectiveness of the scheme. A guidance of parameter selection for noise reduction is given.
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A pulse-width-modulated controlled-transformer post regulator
… transformer is proposed and implemented in a forward converter to provide post regulation. Experimental results are presented to verify the new control scheme. Overall efficiency of 82%-86% is achieved in a 200khz, 500-watt, 5V-output off-line regulator. A discussion of design issues of the …
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Magamp post-regulator applied to a quasi-resonant converter and magamp operation under extreme load condition in a PWM converter
… with magamp post regulation for a quasi-resonant converter. A magamp circuit is proposed, designed and tested for a zero current switching quasi-resonant forward converter. It demonstrates that output regulation in a quasi-resonant converter can be achieved with a fixed switching frequency …
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Developing Modeling and Simulation Methodology for Virtual Prototype Power Supply System
… demonstrates how to analyze the anomalies of the forward converter with active-clamp reset circuit extensively and facilitate the design and improve the circuit performances by utilizing the virtual prototype. With the help of the virtual prototype, it is the first time that the designer is able …
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Compact and efficient power electronics with applications to battery management systems
… limitations in high density switched-capacitor converters for voltage step-up applications. The results from this could be particularly useful for pulsed power applications. This work uses techniques such as resonance, advanced control, and interleaving in the Dickson converter to avoid common …
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A single stage power factor corrected AC/DC converter
Applications for AC/DC converters that require high input power factor has been traditionally implemented by two power stages. In order to provide a cost effective and high density solution for low power applications, this thesis proposes a single stage isolated converter topology designed to …
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A Novel Arc Welding Power Supply with Improved Power Factor Correction
… Power Supply utilizing a modified two-switch forward converter topology. The proposed design improves the power quality by improving power factor to near unity and reducing total harmonic distortion. State space analysis of the proposed circuit showed that the circuit followed a boost-buck …
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DC analysis of quasi-resonant buck and forward converters including effects of parasitic elements
… incorporate high-frequency dc-to-dc switching converters to meet these demands. Recently, a new class of switching converters has been introduced which can operate at very high frequencies to further reduce size and increase efficiency. They are called quasi-resonant converters. Previously, the …
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Low-voltage High-efficiency Fast-transient Voltage regulator Module
… The high-input-voltage VRM topology, push-pull forward converter, can be used in high-bus-voltage distributed power systems. This converter has a high efficiency, a high power density, a fast transient response, and can be easily packaged as a standard module. The circuit design and experimental …
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High Efficiency Topologies for Dual Voltage Inputs
… and increased efficiency. The Dual Range converter comprises reconfigurable primary power loops enabled by additional State switches. This combination allows the converter to run in parallel or series modes, optimizing the performance at the high line, 230 Vac, and low line, 115 Vac Mains …