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Showing 1 to 10 of 10 for “"isolated dc-dc converters"”.
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Multiphase Isolated DC-DC Converters for Low-Voltage High-Power Fuel Cell Applications
… for such applications generally consists of a dc-dc converter and a dc-ac inverter, and the dc-dc converter for low-voltage, high-power fuel cells must deal with a high voltage step-up conversion ratio and high input currents. Although many dc-dc converters have been proposed, most deal with …
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Design and Construction of 1800W Modular Multiple Input Single Output Non-isolated DC-DC Converters
… details the design and construction of non-isolated DC-DC converters to create a Multiple Input Single Output (MISO) converter for combining multiple renewable energy sources into one single output. This MISO uses the four-switch buck-boost topology to output a single 48V from multiple …
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Passive Cancellation of Common-Mode Electromagnetic Interference in Switching Power Converters
… presented, which is then applied to families of isolated DC/DC converters, non-isolated DC/DC converters, and DC/AC inverters and motor drives. The method, results, and ramifications of this technique are presented in order of appearance.
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Evaluation and Design of a SiC-Based Bidirectional Isolated DC/DC Converter
… the galvanic isolation using bidirectional isolated DC/DC converters instead of line-frequency transformers. A survey of the latest generation SiC MOSFET is performed. The devices were compared against each other based on their key parameters. It was determined that under the given …
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High Slew Rate High-efficiency Dc-dc Converter
… in low switching frequency mainly providing DC current. Parallel ATVC has largely reduced conduction and switching losses. Parallel ATVC also reduces the number of VR bulk capacitors. Combined linear and adaptive nonlinear control has been proposed to reduce delay times in the actual …
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EMI Noise Reduction Techniques for High Frequency Power Converters
… It is contributed by both PFC converter and DC/DC converter. The DM noise is contributed by input current ripple. Therefore, one method to reduce DM noise is interleaving. There are three methods to reduce CM noise: symmetry, balance and shielding. The idea of symmetry concept is generating …
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GaN-Based High-Efficiency, High-Density, High-Frequency Battery Charger for Plug-in Hybrid Electric Vehicle
… and shrink passive components. An innovative DC link reduction technique is proposed and several practical design issues are solved. A multi-chip-module (MCM) approach is used to integrate multiple GaN transistors into a package that enables fast, reliable, and efficient switching. The …
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Optimization of LLC Resonant Converters: State-trajectory Control and PCB based Magnetics
… power factor correction (PFC) circuit and isolated DC/DC converter. Isolated DC/DC converter occupies more than half of the volume in an off-line power supply and takes the most control responsibilities, so isolated DC/DC converter is the key aspect to improve the overall performance and …
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Power management of series connected photovoltaic sub-modules using the element-to-virtual bus differential power processing architecture
State-of-the-art solutions to photovoltaic power management track the maximum power of a solar installation at the cost of processing 100% of this generated power. Differential power processing (DPP) has demonstrated maximum power point tracking (MPPT) of a photovoltaic system by processing a small …
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PCB-Based Heterogeneous Integration of LLC Converters
… a power factor correction (PFC) circuit, and an isolated DC-DC converter. For off-line power supply, an isolated DC-DC converter offers isolation and output voltage adjustment. For an off-line power supply, it takes up significantly more room than the rest; thus, an isolated DC-DC converter is …