Results 1 to 10 of about 532,366 (187)

A Novel Three-Phase Six-Switch PFC Rectifier with Zero-Voltage-Switching and Zero-Current-Switching Features [PDF]

Energies, 2019
A novel three-phase power-factor-correction (PFC) rectifier with zero-voltage-switching (ZVS) in six main switches and zero-current-switching (ZCS) in the auxiliary switch is proposed, analyzed, and experimentally verified.
Chun-Wei Lin, Chang-Yi Peng, Huang-Jen Chiu   +2 more
doaj   +2 more sources

Addressing a Special Case of Zero-Crossing Range Adjustment Detection in a Passive Autoranging Circuit for the FBG/PZT Photonic Current Transducer [PDF]

Sensors
This paper analyses a special case in evaluating the passive autoranging (AR) technique that dynamically extends the measurement range of a fiber Bragg grating/piezoelectric transducer (FBG/PZT) operating with a current transformer (CT) to realize a dual-
Burhan Mir, Grzegorz Fusiek, Pawel Niewczas   +2 more
doaj   +2 more sources

Soft Switching of Non-Isolated Buck-Type Converter with Common-Ground Switch

Energies, 2021
A non-isolated buck converter, together with resonance and zero voltage transition to achieve zero voltage switching (ZVS) and zero current switching (ZCS), is presented herein to upgrade the conversion efficiency.
Yeu-Torng Yau, Kuo-Ing Hwu, Jenn-Jong Shieh   +2 more
doaj   +1 more source

Performance evaluation of ZVS/ZCS high efficiency AC/DC converter for high power applications [PDF]

Bulletin of the Polish Academy of Sciences: Technical Sciences, 2020
The increased power density, reduced switching losses with minimum electromagnetic interference (EMI), and high efficiency are essential requirements of power converters.
A. Ali, J. Chuanwen, M.M. Khan, S. Habib, Y. Ali   +4 more
doaj   +1 more source

Novel Zero-Voltage Zero-Current Transition Buck Converter With Minimal Impact of Active Auxiliary Cell on Overall Dynamics

IEEE Access, 2023
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 ...
Ananta Pal, Shib Sankar Saha
doaj   +1 more source

Kvasiresonant DC-DC Converter with Switching at Zero Current - Part 1

Radioengineering, 1998
A kvasiresonant DC - DC converter and its control circuits are proposed. The relations useful for design of the converter will be deduced in the part 2. The fundamental idea of the converter is the switching -on and -off a transistor at zero current.
P. Vorel
doaj   +2 more sources

A new three winding coupled inductors high step‐up DC–DC converter with low input current ripple

IET Power Electronics, 2023
A new high step‐up DC–DC converter is proposed in this study. In the proposed converter with voltage lift technique and coupled inductors (CIs) a high voltage gain is achieved.
Mahmood Vesali
doaj   +1 more source

Zero-Vector-Injection Based Current Sharing Control of Interleaved Full-Bridge LLC Resonant Converters

Energies, 2020
Interleaved LLC resonant converters are widely used in various fields. However, interleaved LLC converters under Pulse Frequency Modulation (PFM) will lose the regulation of individual phases, causing a load sharing problem.
Xuanlyu Wu, Dejie Luo, Panpan Wu, Xin Zhao, Zhen Kang, Xiaohua Wu   +5 more
doaj   +1 more source

Topology and control strategy optimization of an auxiliary resonant commutated pole-based, soft-switching grid-connected inverter

Frontiers in Energy Research, 2023
With the development of new energy industries such as photovoltaics, microgrids, or distributed energy sources require many DC-AC grid-connected interfaces.
Chuang Liu, Yanping Wang
doaj   +1 more source

Discontinuous Current Mode Modeling and Zero Current Switching of Flyback Converter

Energies, 2021
The flyback converters are widely used in low power applications. The switch typically requires 600 V breakdown voltage in order to perform large step-down voltage.
Rustam Kumar, Chih-Chiang Wu, Ching-Yao Liu, Yu-Lin Hsiao, Wei-Hua Chieng, Edward-Yi Chang   +5 more
doaj   +1 more source