Results 21 to 30 of about 11,214 (304)
Energies, 2019 This paper presents a zero-voltage and zero-current switching (ZVZCS) capacitor-clamped half bridge (HB) three-level dc-dc converter (TLDC), which is well fit for high input voltage dc-dc industrial applications. The maximum voltage stress of the primary
Yong Shi
doaj +1 more source
IET Power Electronics, 2023 The four‐level nested neutral point clamped (4L‐NNPC) converter is a new multi‐level converter with a simple topology, which is suitable for the medium‐voltage application. But it has voltage balancing problems under the low output frequency condition. A
Liangdeng Hu, Fei Xiao, Ziyue Xin
doaj +1 more source
Initial Capacitor Charging in Grid-Connected Flying Capacitor Multilevel Converters
IEEE Transactions on Power Electronics, 2014 This letter reports a method for the initial charging of capacitors in grid-connected flying capacitor (FC) multilevel converters. A resistor is inserted between each phase of the FC converter and the grid. A voltage balancing algorithm is activated from the beginning of the process and the FC converter generates proper output voltages to achieve ...
Ghias, Amer M.Y.M. +3 more
openaire +3 more sources
Direct control strategy for a four-level three-phase flying-capacitor inverter [PDF]
, 2010 A direct predictive control strategy is proposed for a three-phase four-level flying-capacitor (FC) inverter in this paper. The balancing of the FC voltages, a challenge in applications with small capacitors and low switching frequencies, is done without
Defaÿ, François +2 more
core +1 more source
High-voltage DC Converter System for Remotely Operated Vehicle and Its Control Strategy
Kongzhi Yu Xinxi Jishu, 2023 Working-class underwater vehicle require power supply devices that are high in power density, efficiency and redundancy. To meet these needs, this study designed a high-voltage DC converter system that operates with multiple converters running in ...
CHEN Zhipeng
doaj +3 more sources
Control of a Modular Multi-level Converter STATCOM for Low Voltage Ride-Through Condition [PDF]
, 2016 This paper presents a simulation study on the implementation of the Single Star Flying Capacitor Converter Modular Multi-level Cascaded Converter (MMCC-SSFCC) as a STATCOM operating under voltage sag condition.
Oghorada, OJK, Zhang, L
core +2 more sources
Modulation Technique Applied for THD Reduction in 3-level Flying Capacitor Multilevel Inverter
Eletrônica de Potência, 2014 This paper introduces a modulation technique for a three-level flying capacitor multilevel inverter applied in THD reduction. The proposed modulation improves power quality, reducing the total harmonic distortion and combining the advantages of two ...
Davi R. Joca +4 more
doaj +1 more source
High Efficiency Cross-Coupled Charge Pump Circuit with Four-Clock Signals [PDF]
, 2018 © Allerton Press, Inc. 2018A fully integrated cross-coupled charge pump circuit for boosting dc-to-dc converter applications with four-clock signals has been proposed. With the new clock scheme, this charge pump eliminates all of the reversion power loss
Cai, Xinglong +3 more
core +2 more sources
Analysis of Flying Capacitor Boost Converter
International Journal of Electrical and Electronics Research, 2022 This paper analyzes the working principle of flying capacitor boost converter and its different variants such as synchronous flying capacitor boost converter and n-level flying capacitor boost converter. The circuit diagram and analysis of different waveforms have been provided. Voltage conversion ratio of different converters have been provided.
Kumar Nishanta, V. U. P. Lavanya
openaire +1 more source
Three-phase four-leg flying-capacitor multi-level inverter-based active power filter for unbalanced current operation. [PDF]
, 2013 This study describes a new application of flying capacitor multi-level inverters whereby a three-phase, four-leg three-level inverter is used for harmonic current cancellation and unbalanced current compensation in a four-wire system.
Benjamin Chong +7 more
core +1 more source