Results 1 to 10 of about 1,609,224 (120)

Multi-Objective Unified Optimal Control Strategy for DAB Converters with Triple-Phase-Shift Control

open access: yesEnergies, 2021
To solve the problems of large current stress, difficult soft-switching of all switches, and slow dynamic response of dual active bridge converters, a multi-objective unified optimal control strategy based on triple-phase-shift control was proposed.
Jinhui Zeng   +5 more
doaj   +1 more source

Optimal Asymmetric Duty Modulation for Dual Active Bridge Converters with DC Blocking Capacitors

open access: yesEnergies, 2023
Aiming at the optimization of current stress with low voltage ratio and full ZVS, a control method combining variable duty cycle and phase shift was proposed based on dual active bridge (DAB) converters with DC blocking capacitors.
Peng Dai   +3 more
doaj   +1 more source

Current stress optimization control strategy of the buck topology with the variable frequency/amplitude mode

open access: yesFrontiers in Energy Research, 2023
The Buck circuit is a common topology in DC-DC converter. The existing control strategies have the advantages of short modulation time and high dynamic performance, but they also have the disadvantages of poor active modulation of the working mode of the
Ning Li   +5 more
doaj   +1 more source

A sub-module branch current optimization strategy for M2S2DCT

open access: yes电力工程技术, 2023
A hybrid direct current transformer (DCT) with modular multilevel structure and series-connected switches experiences current spike in sub-module branch when using original control method.
ZHU Xuhao   +3 more
doaj   +1 more source

Minimum Return Power Control for Three-Level Dual Active Hybrid Full-Bridge DC-DC Converters

open access: yesShanghai Jiaotong Daxue xuebao, 2023
Hybrid three-level full bridge (H-TLFB) DC-DC converters increase the input voltage range by introducing a three-level bridge arm. Aimed at the problems of large power return and high current stress in the traditional dual phase shift control, a minimum ...
TAO Haijun, ZHANG Jinsheng, XIAO Qunxing, ZHENG Zheng
doaj   +1 more source

Triple-Mode Average Current Control with Valley Current Shaping for DCM/CRM/CCM Boost PFC Converter

open access: yesEnergies, 2022
This paper presents a triple-mode average current control (TACC) strategy to achieve unity power factor and reduce the current stress for a boost PFC converter.
Liangliang Lu   +7 more
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

Minimum current stress operation of dual active half-bridge converter using triple phase shift control for renewable energy applications

open access: yesEnergy Reports, 2022
With the development of renewable energy, dual active half bridge (DAHB) has been widely used in renewable energy systems. For the purpose of reducing the damage caused by excessive current stress and improve the operation performance of the DAHB, this ...
Jianyu Zhang   +5 more
doaj   +1 more source

Direct power control of dual-active-bridge dc–dc converters based on unified phase shift control

open access: yesThe Journal of Engineering, 2019
Dual-active-bridge (DAB) dc–dc converters are the important part of the transformerless electric traction drive system in railway application. Also the dynamic characteristic of DAB converters in the electric traction drive system is very significant ...
Feng An, Wensheng Song, Kexin Yang
doaj   +1 more source

Optimization of current stress for Dual Active Bridge converter based on power compensation control

open access: yesEnergy Reports, 2023
With the rapid development and application of renewable energy, the advantages of DC distribution system are becoming more and more obvious. In the DC distribution system, the DC transformer is a component that connects different voltage DC bus and ...
Xinyu Cui, Feng Wang, Fang Zhuo
doaj   +1 more source

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