Results 11 to 20 of about 5,677,070 (229)

High frequency inverter-transformer-cycloconverter system for DC to AC (3-phase) power conversion [PDF]

, 1991
This thesis was submitted for the degree of Doctor of Philosophy and awarded by Brunel University.This thesis is concerned with a 3-phase multistage high frequency link DC to AC power conversion with a novel inverter-cycloconverter circuitry.
Karamat, Asghar
core   +7 more sources

Feasibility of high frequency alternating current power distribution for the automobile auxiliary electrical system [PDF]

, 2011
This study investigates the feasibility and potential benefits of high frequency alternating current (HFAC) for vehicle auxiliary electrical systems. A 100Vrms, 50kHz sinusoidal AC bus is compared with 14V DC and 42V DC electrical systems in terms of ...
Antaloae, C. C.
core   +7 more sources

Tradeoffs between AC power quality and DC bus ripple for 3-phase 3-wire inverter-connected devices within microgrids [PDF]

, 2011
Visions of future power systems contain high penetrations of inverters which are used to convert power from dc (direct current) to ac (alternating current) or vice versa.
Roscoe, Andrew, Burt, Graeme, Finney, Stephen J., Stephen J. Finney, Finney, Stephen, Burt, Graeme M., Andrew J. Roscoe, Graeme M. Burt, Roscoe, Andrew J.   +8 more
core   +4 more sources

Single‐phase AC‐AC Z‐source converter based on asymmetrical gamma structure with continuous input current and safe commutation strategy

IET Power Electronics, 2021
This paper examines a new topology of the AC‐AC Z‐source converter based on asymmetric Gama structure is proposed. The proposed converter has all the common features such as common ground between input and output, realizing the continuous input current ...
Seyyed Mohammad Javad Mousavi, Ebrahim Babaei, Darioush Alizadeh, Hasan Komurcugil   +3 more
doaj   +1 more source

AC-DC Power System Analysis

, 1998
The following topics are dealt with: AC-DC converter; power flow solution; harmonic solution; three-phase power and harmonic flow; electromagnetic transient simulation; electromechanical stability and transient converter ...
Bruce Smith, Smith, Bruce. C., Arrillaga, Jos, Jos Arillaga   +3 more
core   +1 more source

Multipulse improved-power-quality AC–DC convertors for vector-controlled induction-motor drives

, 2006
The paper deals with polygon autotransformer-based 12-pulse and 18-pulse AC-DC convertors feeding vector-controlled induction-motor drives (VCIMDs) for improving power quality at the point of common coupling (PCC).
Singh, B., Garg, V., Bhuvaneswari, G.
core   +1 more source

The influence of frequency of AC component on space charge behaviours in polyethylene under combined AC and DC electric fields [PDF]

, 2014
Combined ac and dc voltages may occur in high voltage power transmission system, which bring challenges to the dielectric materials. Generally speaking, space charge is well recognised under high voltage dc conditions but has received little attention ...
C. Zhou, Zhou, Churui, G. Chen, Chen, George   +3 more
core   +2 more sources

Design and implementation of flyback converter design and control of driving power supply for unmanned robot

IET Control Theory & Applications, 2023
In accordance with the requirements of unmanned robot driving power supply for power supply reliability, strong power output, and portability, this paper introduces a design scheme for unmanned robot driving power supply on the basis of a flyback ...
Lingfeng Meng, Yingpeng Dai, Songfeng Wang, Keyu Zhuang, Fushan Sun, Dengfeng He, Aihua Wang   +6 more
doaj   +1 more source

Variable weight coefficient MPC control strategy for qZSI‐VSG wind power grid‐connected system

IET Renewable Power Generation, 2023
Quasi‐Z source inverters (qZSI) can overcome the disadvantages of conventional wind power systems, because of achieving the balanced DC‐link voltage by using its boost ability. The majority of currently used control methods for conventional inverters are
Yang Zhang, Yihan Liu, Bing Luo, Yun Ling   +3 more
doaj   +1 more source

Active elimination of DC bias current of a SiC based dual active bridge by controlling the dead time period

IET Power Electronics
Dual active bridge (DAB) is an isolated DC‐DC converter gaining wider attention in power electronics applications. The high frequency (HF) transformer is an integral part of the DAB which is prone to saturation.
Ganesan Perumal, Kamalesh Hatua, Manju Rajagopal   +2 more
doaj   +1 more source