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A Modular Concept Development for Resonant Soft-Charging …
This article presents a step-up switched-capacitor (SC) multilevel inverter (MLI) with reduced ripple power loss by employing a soft-charging technique and modular cell. SCMLI possesses many attractive features for high-frequency ac (HFAC) applications. With a two-phase alternating structure, the voltage ratings of the components in the proposed …
Analysis and Design of High-Efficiency Modular Multilevel …
concept of switched-capacitor converters. Therefore, the res-onant switched-capacitor concept has been applied to the switched-capacitor circuits to provide better converter perfor-mance. With the resonant operation, the switched-capacitor can achieve soft-switching, which significantly alleviates the generation of EMI and semiconductor ...
A Modular Concept Development for Resonant Soft-Charging …
Abstract: This article presents a step-up switched-capacitor (SC) multilevel inverter (MLI) with reduced ripple power loss by employing a soft-charging technique and modular cell. SCMLI possesses many attractive features for high-frequency ac (HFAC) applications. With a two-phase alternating structure, the voltage ratings of the components in the proposed …
Design and evaluation of a modular resonant switched capacitors ...
This paper discusses the theory and implementation of a class of distributed power converters for photovoltaic (PV) energy optimization. Resonant switched-capacitor converters are configured in parallel with strings of PV cells at the sub-module level to improve energy capture in the event of shading or mismatch.
Resonant Switched-Capacitor Step-Up DC/DC Converter
As introduced in Chap. 1, the non-isolated MV DC/DC converters can be divided into inductor, switched-capacitor, and resonant types according to the different …
Capacitor Self-resonant Frequency and Signal Integrity
Capacitor Self-resonant Frequency and Signal Integrity
High Power Capacitor Clamped Modular Resonant Dc/Dc …
Corpus ID: 212535158; High Power Capacitor Clamped Modular Resonant Dc/Dc Converter for Offshore Wind Energy Systems @article{Priyadharshini2017HighPC, title={High Power Capacitor Clamped Modular Resonant Dc/Dc Converter for Offshore Wind Energy Systems}, author={S. …
Multilevel modular switched-capacitor resonant converter with …
This paper presents a novel modular multilevel switched-capacitor based resonant converter (MMSCRC) to achieve dc-dc power conversion function. In …
Optimal Operation of Multilevel Modular Resonant Switched …
Multilevel modular resonant switched-capacitor converter can achieve either zero-current switching (ZCS) or zero-voltage switching (ZVS) by utilizing different …
Multi Resonant Switched-Capacitor Converters
Multi Resonant Switched-Capacitor Converters Owen Jong (GENERAL AUDIENCE ABSTRACT) Following the recent trend, most internet services are moving towards cloud computing. Large data applications and growing popularity of cloud computing require
An optimized multi-modular resonant switched capacitor converter
Resonant switched-capacitor converters are configured in parallel with strings of PV cells at the sub-module level to improve energy capture in the event of shading or mismatch.
A Modular Resonant DC–DC Converter With High Step-Down …
The proposed DC-DC converter consists of a large number of identical submodules each having one controllable switch, two diodes, and one capacitor. The operation of DC-DC converter is based on repeated charging and discharging of capacitors through a resonant circuit. Zero-current switching is achieved for all the switches used in the converter.
(PDF) High Voltage Resonant Modular Capacitor Charger Systems …
HIGH VOLTAGE RESONANT MODULAR CAPACITOR CHARGER SYSTEMS WITH ENERGY DOSAGE M. Wolf ξ, A. Pokryvailo Soreq NRC Yavne 81800, Israel Abstract A. Requirements and Specifications The developed charger was designed originally to replace a commercial one that was used in a 1-kW PPS, and possessed these parameters: 3-kV …
Analysis and Design of Novel High-Frequency Integrated
The proposed integrated transformer structure is manufactured using design techniques that consider not only eciency and power density, but also reliability factors such as magnetic ux and temperature. ... resonant capacitors, resonant inductors, and high-frequency transformers can help achieve high efficiency through zero-voltage switching ...
A High Efficiency Modular EV Charger Using Bridgeless and Resonant ...
This paper presents a bridgeless totem pole boost converter (BLTPBC) fed synchronous full bridge inductor-inductor-capacitor (FBLLC) converter based electric vehicle (EV) charger as a fundamental building block for larger capacity EV infrastructure. This EV charger comprises of BLTPBC as a front-end power factor correction (PFC) converter followed by …
A High-Power-Density Quasi-Resonant Switched-Capacitor …
Resonant switched-capacitors converters (ReSCCs) are becoming an attractive alternative to traditional buck converters in volume-constrained and high-conversion-ratio applications, thanks to their superior efficiency and power density. This work presents a new ReSCC topology derived from an interleaved ladder structure, which …
Optimal Operation of Multilevel Modular Resonant Switched-Capacitor Converter …
For the multilevel modular resonant switched-capacitor converter, there are two operation modes, which are ZCS operation mode and ZVS operation mode. Both of the operation modes can achieve very high efficiency [22]–[26]. On one hand, converter can ...
A Novel Quasi-Resonant Bridge Modular Switched-Capacitor
A novel quasi-resonant bridge modular switched-capacitor converter (BMSCC) is proposed in the paper. The main merit is that its resonant circuit has high stability and simplicity, resulting from ...
A Novel Capacitor Voltage-Balancing Method for Multiwinding Resonant ...
Abstract: Isolated dc/dc converters play a key role in electric vehicle applications, and novel multiwinding resonant converters have recently been proposed for on-board and off-board charging applications. Some of these topologies have two series capacitors at the dc bus with a mid-point connection to the windings. Parameter mismatch due to manufacturing …
Modular resonant DC/DC converter for DC grid system …
A modular resonant converter with three half-bridge resonant circuit cells is presented in this paper. Three resonant converters are connected at primary-series and secondary …
Design and evaluation of a modular resonant switched …
This paper discusses the theory and implementation of a class of distributed power converters for photovoltaic (PV) energy optimization. Resonant switched-capacitor converters are configured in parallel with strings of …
Optimal Operation of Multilevel Modular Resonant Switched-Capacitor ...
This paper proposes a matrix auto-transformer switched-capacitor DC-DC converter to achieve a high voltage conversion ratio, high efficiency, and high power density for 48-V data-center applications.
Modular resonant DC/DC converter for DC grid system …
This paper proposed a modular resonant topology with flying capacitors, which can reduce the voltage and current stresses of the power devices using a simple frequency modulation method. A 1440 W prototype circuit is built in the laboratory for experimental verification of the studied topology.
An optimized multi-modular resonant switched capacitor converter
The switched capacitor converters have the advantages of high efficiency and high power density, which are widely used in data centers, distributed photovoltaic power generation, and other fields. In this paper, an optimized multi-modular resonant switched capacitor converter (MMRSCC) is proposed for an intermediate bus converter …
High power step-up modular resonant DC/DC converter for …
High power step-up modular resonant DC/DC converter for offshore wind energy systems Abstract: ... Two types of the capacitor-clamped modules, the double-switch module and switchless module, are discussed. A soft-switching technique is adopted to achieve minimal switching losses and the maximum system efficiency. Theoretical analysis is carried ...
High Voltage Resonant Modular Capacitor Charger Systems With …
A concept and implementations of an innovative HV capacitor charger system based on resonant modular converter are described. This system may function also as a DC power supply. The charger will be a part of a HV pulsed power supply in a corona discharge system for pollution control applications. The system comprises N identical …
Unit Partition Resonance Analysis Strategy for Impedance …
In modular power converters, the dc-link capacitor has the highest failure rate due to thermal stress, reducing system performance and reliability. Current harmonics are one of the prominent causes of thermal stress on the dc-link capacitor that may get instigated by the resonance between the dc-link capacitor and stray inductance of the busbar ...
Optimal Operation of Multilevel Modular Resonant Switched-Capacitor ...
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