Results 41 to 50 of about 5,902,702 (138)

Non-isolated Buck-Boost Hybrid Converter with AC-AC/DC Power Conversion for Simultaneous Wired and Wireless Power Transfer

, 2022
In this paper, a new non-isolated buck-boost hybrid converter, which achieves a single-stage AC-AC/DC power conversion with only one inductor in the power stage is proposed.
Wu, Jiayang, Lee, Albert T.L., Tan, Siew Chong, Ron Hui, S. Y.   +3 more
core   +1 more source

Simple new PWM patterns for thyristor three-phase AC/DC convertors

, 1986
Thyristor forced commutated AC/DC convertors are useful for improving the power factor and waveform of AC-side line current. These are controlled through pulse-width modulation schemes for best performance.
Mahesh, MS, Biswas, SK, lyengar, BSR
core  

An Extendable High Step‐Up Interleaved DC–DC Converter Utilizing a Switched Capacitor Cell

IET Power Electronics
A DC–DC interleaved converter with a coupled inductor is proposed in this study. This converter is capable of generating high voltage through the use of switched capacitors and additional components.
Darioush Alizadeh, Ebrahim Babaei, S. M. J. Mousavi   +2 more
doaj   +1 more source

Emerging Trends in MF/HF Isolated AC-AC/DC-AC/AC-DC Matrix Converter Topologies: A Comprehensive Review

, 2023
The isolated AC-AC/DC-AC/AC-DC matrix converter (MC) is an innovative topology with several benefits including minimum current harmonics, nearly unity power factor, four quadrant (4Q) operation, and bidirectional power flow, making it an ideal choice for
Hang Gao (16909473), Tahmin Mahmud (16895136)   +1 more
core   +1 more source

High voltage gain switched z‐source inverter with low current stress

IET Power Electronics
This paper proposes a switched Z‐source inverter with high voltage gain and low current stress on elements. Also, a new switching method corresponding to the proposed topology is introduced.
Golaleh Zarei, Ebrahim Babaei, Mohammad Bagher Bannae Sharifian, Hadi Aghaei, Elias Shokati Asl   +4 more
doaj   +1 more source

An Improved Model Parameter‐Free Predictive Control With Fast Gradient Updating for Three‐phase Three‐Level Inverters

IET Power Electronics
Look‐up‐table (LUT) based model parameter‐free predictive control (MFPC) suffers from long update time and large storage requirement, particularly when applied to multi‐level inverters.
Zhengkui Zhao, Minxiao Han
doaj   +1 more source

Experimental studies of influence of DC and AC electric fields on bridging in contaminated transformer oil

, 2015
Analysis of real operating condition revealed that HVDC transformers experience combined effect of DC biased AC electric field. The dynamics of pressboard particle in contaminated transformer oil under the influence of DC, AC and DC biased AC electric ...
Mahmud, S., Golosnoy, I.O., Chen, G., Wilson, G., Jarman, P.   +4 more
core   +1 more source

Doubly grounded buck‐boost PV grid‐connected inverter without shoot‐through problem

Electronics Letters
Transformerless grid‐connected inverters (GCIs) are universally utilized in the PV system. However, they have the shoot‐through issue and common mode leakage current (CMLC).
Zhilei Yao, Ximing Zhang, Changlei Shan
doaj   +1 more source

Impedance-Source DC-to-AC/DC Converter

, 2019
This article presents a novel impedance-source-based direct current (DC)-to-alternating current (AC)/DC converter (Z-Source DAD Converter). The Z-Source DAD converter converts the input DC voltage into AC or DC with buck or boost in the load voltage ...
Devaraj Elangovan, Rajendran Sivapriyan
core   +1 more source

Guest Editorial: AC/DC transmission and distribution technology supporting the new‐type power system

IET Generation, Transmission & Distribution, 2023
Rong Zeng, Jinliang He, Zhanqing Yu, Lu Qu   +3 more
doaj   +1 more source