Zero DC voltage ride through of a hybrid modular multilevel converter in HVDC systems
Sign Up to like & getrecommendations! Published in 2017 at "Iet Renewable Power Generation"
DOI: 10.1049/iet-rpg.2016.0108
Abstract: This study presents a comprehensive analysis and a suppression method of sub-modules’ (SMs’) voltage stress in the hybrid modular multilevel converters when riding through zero DC voltage faults in high-voltage direct-current (HVDC) systems. First, the… read more here.
Keywords: voltage; modular multilevel; hybrid modular; zero voltage ... See more keywords
Novel Zero-Voltage Zero-Current Transition Buck Converter With Minimal Impact of Active Auxiliary Cell on Overall Dynamics
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Access"
DOI: 10.1109/access.2023.3234590
Abstract: This paper presents a novel zero-voltage zero-current transition DC/DC buck converter, which uses an active auxiliary resonant network to achieve soft switching operation of semiconductor switches and soft-recovery of power diodes over wide output power… read more here.
Keywords: zero voltage; novel zero; converter; auxiliary cell ... See more keywords
A High-Efficiency Low-Profile Zero-Voltage Transition Synchronous Non-Inverting Buck-Boost Converter With Auxiliary-Component Sharing
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Transactions on Circuits and Systems I: Regular Papers"
DOI: 10.1109/tcsi.2018.2858544
Abstract: This paper presents an efficiency-enhanced low-profile zero-voltage-transition (ZVT) synchronous non-inverting buck-boost converter for 48-V tens-of-Watt output applications. By only using three auxiliary components shared between two switching nodes, zero-voltage switching (ZVS) of all four power… read more here.
Keywords: buck boost; converter; zero voltage; power ... See more keywords
Zero-Voltage-Switching Sinusoidal Pulsewidth Modulation Method for Three-Phase Four-Wire Inverter
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Transactions on Power Electronics"
DOI: 10.1109/tpel.2018.2878255
Abstract: A zero-voltage-switching (ZVS) sinusoidal pulsewidth modulation (SPWM) method for a three-phase four-wire inverter is proposed in order to achieve higher efficiency and power density. With the proposed modulation scheme, the ZVS operation of all switches, including the main switches… read more here.
Keywords: three phase; voltage switching; zvs; zero voltage ... See more keywords
An Optimized Zero-Voltage Zero-Current Transition Boost Converter Realized by Coupled Inductor
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Transactions on Power Electronics"
DOI: 10.1109/tpel.2018.2890132
Abstract: In this paper, a new zero-voltage zero-current transition (ZVZCT) boost converter using coupled inductors is proposed. The feature of this topology is: the main switch can be switched on with ZVZCT, and off with zero-voltage… read more here.
Keywords: switch; zero current; voltage; voltage zero ... See more keywords
A Dynamic Resonant Period Control Technique for Fast and Zero Voltage Switching in GaN-Based Active Clamp Flyback Converters
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Transactions on Power Electronics"
DOI: 10.1109/tpel.2020.3016324
Abstract: Compared to Si FETs, when the main GaN FET is in full zero voltage switching condition, maximum switching loss reduction can be achieved. Therefore, in this article, an active clamp flyback converter with GaN devices… read more here.
Keywords: voltage switching; active clamp; voltage; zero voltage ... See more keywords
An Improved Zero-Voltage-Transition H6-Type Transformerless Grid-Connected Inverter With Reactive Power Capability
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Power Electronics"
DOI: 10.1109/tpel.2021.3105659
Abstract: Soft-switching technique contributes to higher conversion efficiency and switching frequency for transformerless grid-connected inverters (TLIs), which is beneficial to improve power density and reduce cost. However, existing soft-switching TLIs can only operate with unity power… read more here.
Keywords: voltage; transformerless grid; power; zero voltage ... See more keywords
Design and Simulation of a New ZVT Bi-directional DC-DC Converter for Electric Vehicles
Sign Up to like & getrecommendations! Published in 2017 at "Indonesian Journal of Electrical Engineering and Computer Science"
DOI: 10.11591/ijeecs.v7.i1.pp%p
Abstract: This paper presents a new zero voltage transistion (ZVT) bi-directional DC-DCconverter for energy storage system in DC traction. This bidirectional converter can transfers the power flow from low voltage side to high voltage side and… read more here.
Keywords: voltage; zvt directional; zero voltage; converter ... See more keywords
An improved zero-voltage zero-current transition boost converter employing L-C-S resonant network
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Power Electronics and Drive Systems"
DOI: 10.11591/ijpeds.v11.i4.pp1844-1856
Abstract: An improved zero-voltage zero-current transition boost converter (IZVZCTBC) is introduced. This converter is basically a fourth-order DC-DC converter wherein a L-C-S (Inductor–Capacitor–Switch) resonant circuit is embedded for soft-switching. L-C-S tank network is the modified version… read more here.
Keywords: boost converter; converter; zero current; zero voltage ... See more keywords
A Novel Zero-Voltage-Switching Push-Pull Forward Converter with a Parallel Resonant Network
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Power Electronics"
DOI: 10.6113/jpe.2017.17.1.20
Abstract: A novel zero-voltage-switching (ZVS) push-pull forward converter with a parallel resonant network is presented in this paper. The novel topology can provide a releasing loop for the energy storage in a leakage inductor for the… read more here.
Keywords: resonant; voltage; novel zero; voltage switching ... See more keywords
Analysis, Design, and Implementation of a Zero-Voltage-Transition Interleaved Boost Converter
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Power Electronics"
DOI: 10.6113/jpe.2017.17.1.41
Abstract: This study proposes a novel zero voltage transition (ZVT) pulse width modulation (PWM) DC–DC interleaved boost converter with an active snubber cell. All the semiconductor devices in the converter turn on and off with soft… read more here.
Keywords: voltage; interleaved boost; boost converter; zero voltage ... See more keywords