Results 21 to 30 of about 210,748 (195)

Medium-Voltage DC-DC Converter Topologies for Electric Bus Fast Charging Stations: State-of-the-Art Review

open access: yesEnergies, 2022
With the expansion of E-mobility technology, the demand for Medium-Voltage (MV) Electric Buses (E-buses) charging infrastructure has significantly increased.
Mena ElMenshawy, Ahmed Massoud
doaj   +1 more source

A hybrid multilevel converter for medium and high voltage applications [PDF]

open access: yes, 2010
This paper investigates the suitability of the hybrid multilevel converter for medium and high voltage application. The converter operation, modulation, and capacitor voltage balancing method are described in detail.
Ahmed, Khaled   +4 more
core   +3 more sources

Research and Application on Output Voltage Stabilization of DAB Converter Based on LADRC with Reduced-Order Model

open access: yes, 2023
One of the essential requirements for high-performance dual active bridge (DAB) converters is to obtain the constant output voltage rapidly and accurately under different disturbances.
Gao, S, Li, H
core   +1 more source

A Three-Level Dual-Active-Bridge Converter With Blocking Capacitors for Bidirectional Electric Vehicle Charger

open access: yesIEEE Access, 2019
In order to solve the considerable issues of air pollution, climate warming and fossil energy shortage, many governments around the world have formulated policies to encourage the development of electric vehicles over the past decade. This paper proposes
Yang Xuan   +4 more
doaj   +1 more source

Impedance Shaping of Isolated Two-Stage AC-DC-DC Converter for Stability Improvement

open access: yesIEEE Access, 2019
The isolated two-stage ac-dc-dc converter containing an isolated dual-active-bridge (DAB) dc-dc converter and an ac-dc rectifier has been widely used for connecting the dc sources to the ac utility grid. However, the impedance interaction between the DAB
Fan Feng, Fengjiang Wu, Hoay Beng Gooi
doaj   +1 more source

Performance Evaluation of Modulation Techniques in Single-Phase Dual Active Bridge Converters

open access: yesIEEE Open Journal of the Industrial Electronics Society, 2021
This research presents a thorough comparison of different modulation techniques employed in dual active bridge (DAB) converters. The performance of a DAB converter is essentially affected by the modulation technique and the operating point, including ...
Negar Noroozi, Ali Emadi, Mehdi Narimani
doaj   +1 more source

Voltage Balancing Control of IPOS Modular Dual Active Bridge DC/DC Converters Based on Hierarchical Sliding Mode Control

open access: yesIEEE Access, 2019
This paper proposes a novel nonlinear control method for the input-parallel output-series modular dual active bridge (DAB) dc/dc converter which regulates the dc-bus voltage and individual module voltages together. At first, a state space form of the DAB
Sangmin Lee   +2 more
doaj   +1 more source

Practical Evaluation of Loss Reduction in Isolated Series Resonant Converter with Fixed Frequency Modulation

open access: yesEnergies, 2022
Nowadays, power converters with reduced cost, compact size and high efficiency are evolving to overcome the emergent challenges of renewable energy integrations.
Danish Khan   +5 more
doaj   +1 more source

ZVS Control strategy of dual active bridge DC/DC converter with triple-phase-shift modulation considering RMS current optimization

open access: yesThe Journal of Engineering, 2019
Dual active bridge (DAB) DC/DC converter is an ideal high-power bidirectional DC/DC converter with multiple control methods. In this paper, the working characteristics of the DAB converters are analysed by the example of medium power mode, in which the ...
Kai Shen   +7 more
doaj   +1 more source

Modified Phase-Shift Scheme for Optimal Transient Response of Dual-Active-Bridge DC/DC Converters Considering the Resistive Impact

open access: yesIEEE Access, 2021
The scattered resistive elements residing in a dual-active-bridge (DAB) dc/dc converter can adversely affect its transient performance especially when the load change is large.
Jian Yin   +4 more
doaj   +1 more source

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