Journal ArticleDOI
Cascade Cockcroft–Walton Voltage Multiplier Applied to Transformerless High Step-Up DC–DC Converter
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TLDR
In this paper, the proposed control strategy employs two independent frequencies, one of which operates at high frequency to minimize the size of the inductor while the other one operates at relatively low frequency according to the desired output voltage ripple.Abstract:
This paper proposes a high step-up dc-dc converter based on the Cockcroft-Walton (CW) voltage multiplier without a step-up transformer. Providing continuous input current with low ripple, high voltage ratio, and low voltage stress on the switches, diodes, and capacitors, the proposed converter is quite suitable for applying to low-input-level dc generation systems. Moreover, based on the n-stage CW voltage multiplier, the proposed converter can provide a suitable dc source for an n + 1-level multilevel inverter. In this paper, the proposed control strategy employs two independent frequencies, one of which operates at high frequency to minimize the size of the inductor while the other one operates at relatively low frequency according to the desired output voltage ripple. A 200-W laboratory prototype is built for test, and both simulation and experimental results demonstrate the validity of the proposed converter.read more
Citations
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Proceedings ArticleDOI
Cockcroft-Walton based HVDC system
TL;DR: An HVDC system based on a Cockcroft-Walton (CW-HVDC) topology is presented and a novel strategy is proposed to analyze and control the converter as discussed by the authors.
Journal ArticleDOI
An Overview of Non-Isolated Hybrid Switched-Capacitor Step-Up DC–DC Converters
Julio C. Rosas-Caro,Jonathan C. Mayo-Maldonado,Jesus E. Valdez-Resendiz,Avelina Alejo-Reyes,Francisco Beltran-Carbajal,Oswaldo Lopez-Santos +5 more
TL;DR: In this article , the authors present an overview of non-isolated dc-dc converter topologies that utilize switched-capacitor circuits, including combinations of a traditional power stage with a diode-Capacitor-based voltage multiplier, such as the multilevel boost converter.
Proceedings ArticleDOI
Design and performance analysis of Cockroft-Walton Voltage Multiplier (CWVM) energy harvesting for low power applications
TL;DR: In this article, the performance analysis of Cockroft-Walton Voltage Multiplier (CWVM) and effect of employing the cascaded CWG stages has been analyzed for energy harvesting applications.
Journal ArticleDOI
Review of DC-DC Converter Topologies Based on Impedance Network with Wide Input Voltage Range and High Gain for Fuel Cell Vehicles
TL;DR: In this article, a review of the research status of DC-DC boost converters based on an impedance network is presented, providing a reference for designing wide input range and high gain boost converter topologies for fuel cell vehicles.
Journal ArticleDOI
Modular hybrid solid state pulsed power generator
TL;DR: In this paper, the authors proposed a converter which is a combination of Marx topologies and solid state voltage multipliers, which is capable of producing high voltage pulses with varying amplitudes at different frequencies where is modular and flexible.
References
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Journal ArticleDOI
Power electronics as efficient interface in dispersed power generation systems
TL;DR: In this article, power electronics, the technology of efficiently processing electric power, play an essential part in the integration of the dispersed generation units for good efficiency and high performance of the power systems.
Journal Article
Power Electronics as Efficient Interface in Dispersed Power Generation Systems
TL;DR: In this article, power electronics, the technology of efficiently processing electric power, play an essential part in the integration of the dispersed generation units for good efficiency and high performance of the power systems.
Journal ArticleDOI
Switched-Capacitor/Switched-Inductor Structures for Getting Transformerless Hybrid DC–DC PWM Converters
TL;DR: The superiority of the new, hybrid converters is mainly based on less energy in the magnetic field, leading to saving in the size and cost of the inductors, and less current stresses in the switching elements, lead to smaller conduction losses.
Journal ArticleDOI
Review of Nonisolated High-Step-Up DC/DC Converters in Photovoltaic Grid-Connected Applications
Wuhua Li,Xiangning He +1 more
TL;DR: A general conceptual circuit for high-step-up, low-cost, and high-efficiency dc/dc conversion is proposed to derive the next-generation topologies for the PV grid-connected power system.
Journal ArticleDOI
A Review of the Single Phase Photovoltaic Module Integrated Converter Topologies With Three Different DC Link Configurations
Quan Li,Peter Wolfs +1 more
TL;DR: In this paper, a topology study of the PV MICs in the power range below 500 W and covers most topologies recently proposed for MIC applications is presented, where the MIC topologies are classified into three different arrangements based on the dc link configurations.
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