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Showing 1 to 20 of 24 for “"coupled inductors"”.
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Performance Improvement of Power Conversion by Utilizing Coupled Inductors
… application issues of advanced topologies with coupled inductors. The proposed innovative solutions can achieve significant performance improvement compared to the state-of-the-art technology. New applications call for high-efficiency high step-up DC-DC converters. The basic topologies suffer …
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Application Considerations of Multiphase Monolithic Buck Regulators with Coupled Inductors
… In particular, the research incorporates coupled inductors to take advantage of its magnetic coupling between different phases to achieve minimal output ripples and ultra-fast transient response. The results of this research emphasize performance differences in control loop and transient …
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Resonant Cross-Commutated Dc-Dc Regulators with Omni-Coupled Inductors
… and dc fluxes is given. Four fabricated one-turn inductors achieved 2.1% higher efficiency and 50% smaller total magnetic volume than the commercial inductors in the same rccBuck converter. The Omni-coupled inductors (OCI), composed of a twisted E-E core and PCB windings, further improve power …
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Study on Three-level DC/DC Converter with Coupled Inductors
… with multi-phase interleaved structure, with coupled and integrated magnetics to achieve high power density. The proposed interleaved phased legs offer the benefit of output current ripple reduction, while inversed coupled inductors can suppress the circulating current between phase legs. …
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Investigation of Multiphase Coupled-Inductor Buck Converters in Point-of-Load Applications
… design. In 2000, P. Wong proposed the multiphase coupledinductor buck converter to solve this issue. With the phase inductors coupled together, the coupled-inductor worked as a nonlinear inductor due to the phase-shifted switching network, and the coupled-inductor has different equivalent …
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Reduction of Dynamic Nonlinear Models of Magnetic Devices
… complicated magnetic devices, such as multiphase coupled inductors, actuators, and machines.
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Analysis and Design of a DCM SEPIC PFC with Adjustable Output Voltage
… analysis is applied to SEPIC converter with two coupled inductors. The results indicate if the coupling coefficient is well designed, the equivalent input inductance can be multiple times larger than the self-inductance. Because of this, while maintaining input current ripple same, the two …
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Modeling, Implementation, and Simulation of Two-Winding Plate Inductor
… with printed-circuit boards (PCB). The coupled inductors with winding layers sandwiched between two core plates are studied in this dissertation in order to model the self-inductance, winding loss, and core loss. The most challenging task for the plate-core inductor is to model the …
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Packaging and Magnetic Integration for Reliable Switching of Paralleled SiC MOSFETs
… mismatch exists. A module with integrated coupled inductors was designed, fabricated, and validated to be effective to balance the currents without sacrificing voltage stress and switching energy. The designed integrated coupled inductors achieve inverse coupling by utilizing the copper …
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Circuits and Modulation Schemes to Achieve High Power-Density in SiC Grid-connected Converters
… integration method was introduced for the coupled inductors in the interleaved three-phase converters. Due to limited current-capacity compared to the silicon insulated-gate bipolar transistors (Si-IGBTs), discrete SiC devices or SiC modules, operate in parallel to handle a large current. …
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Investigation of Multiphase Coupled Inductor Topologies for Point-of-Load Applications
… life. In a multiphase buck converter, discrete inductors are widely used as energy storage elements. However, this solution has a limited transient response with a large size of magnetic components. To overcome these issues, coupled inductor is proposed to realize a small steady-state current …
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Operation and analysis of high-voltage-gain dc-dc converters with voltage multipliers
… interleaved boost stage implemented by using inductors. The first family used in this research is based on a modified Dickson charge pump voltage multiplier stage, and this family has been studied in discontinuous conduction mode (DCM). The second family relies on a non-inverting or inverting …
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A High efficiency high power led driver with fault tolerance and multiple led load driving using a coupled Cuk converter
… are investigated. As a result, a converter with coupled inductors, suitable as an LED driver which has high efficiency and can maintain high LED efficacy, incorporated with a high efficiency dimming method, is chosen. For the proposed LED driver, a comprehensive analysis on the effects of …
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Performance Improvements of Multi-Channel Interleaving Voltage Regulator Modules with Integrated Coupling Inductors
… With the proposed concept of integrated coupling inductors between channels, the converters have larger equivalent inductances in steady-state operation and smaller equivalent inductances in transient response. The steady-state current ripples can be reduced without compromising the transient …
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A Novel DC-DC Converter for Photovoltaic Applications
… thesis, a novel DC-DC converter known as the Coupled Inductors Combined Cuk-SEPIC' (CI-CCS) converter is explored, which is particularly attractive for these photovoltaic applications. A topological modification is investigated which provides several benefits, including increased power …
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Multiphase Voltage Regulator Modules with Magnetic Integration to Power Microprocessors
… However, the leakage inductance of its tapped inductors causes a severe voltage spike problem. An improved topology, named the multiphase coupled-buck converter, is proposed. This innovative topology enables the use of a larger duty cycle with clamped device voltage and recovered leakage …
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Parameterized modeling of multiport passive circuit blocks
… power and ground distribution grid, on-chip coupled inductors, microstrip patch antenna and parameterized attenuator. The identified models are verified for passivity using the Hamiltonian matrix based eigenvalue test. Several comparisons with existing techniques are also provided, which …
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High-frequency Quasi-square-wave Flyback Regulator
… select a minimum core volume for an inductor or coupled inductors experiencing appreciable core loss. The geometric constant Kgac = MLT/(Ac2WA) is shown to be a power function of the core volume Ve, where Ac is the effective core area, WA is the area of the winding window, and MLT is the mean …
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SiC-Based High-Frequency Soft-Switching Three-Phase Rectifiers/Inverters
… unity power factor operating condition first. Decoupled CRM-based control is enabled, and the inherent drawback of wide switching frequency variation range at CRM-based operation is overcome by the proposed novel modulation technique. It is the first time that CRM-based soft switching modulation …
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Integrated magnetic components for high-power high-current dc-dc converters
… CCTT IM design with that of two discrete inductors used in a two-phase (2L) interleaved converter. The 2L option consists of two discrete inductors constructed from high dc-bias material. Both topologies are designed for the same worst-case phase current ripple conditions and this ensures …
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