Results 21 to 30 of about 5,902,785 (262)

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

open access: yes, 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.
Finney, Stephen J.   +2 more
core   +3 more sources

Hybrid space vector modulation for low‐order common‐mode voltage reduction in current‐source rectifier for transformerless medium voltage drives

open access: yesIET Power Electronics, 2023
For transformerless current‐fed medium voltage drives, low‐order harmonics of common‐mode voltages (CMVs) are more concerned with than peak values. To mitigate low‐order harmonics, the average values of CMVs should be suppressed.
Hang Gao
doaj   +1 more source

A single‐source switched‐capacitor based 13‐level sextuple boost inverter with reduced component count and low THD

open access: yesIET Generation, Transmission & Distribution, 2023
A switched‐capacitor‐based 13‐level inverter with a lesser number of components is presented in this article. The 13‐level single‐phase AC output voltage is achieved with a voltage gain of 6 by including a single DC source, 11 switches, 4 capacitors, and
Md Reyaz Hussan   +5 more
doaj   +1 more source

Design and DC fault clearance of modified hybrid MMC with low proportion of full‐bridge submodules

open access: yesIET Generation, Transmission & Distribution, 2021
The hybrid modular multilevel converter (MMC) consisting of half bridge submodules (HBSMs) and full bridge submodules (FBSMs) combines the respective advantages of both submodules.
Yuzhe Xu, Zheren Zhang, Zheng Xu
doaj   +1 more source

A novel axial air‐gap transverse flux switching PM generator: Design, simulation and prototyping

open access: yesIET Electric Power Applications, 2023
Wind energy as the cleanest source of renewable energy requires a highly efficient lightweight generator that provides maximum power density while having the least vibration noise and maintenance.
Aghil Ghaheri   +2 more
doaj   +1 more source

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

open access: yesIET 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   +3 more
doaj   +1 more source

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

open access: yes, 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   +3 more
core   +2 more sources

New cascaded multilevel inverter with series connection of novel capacitor based basic units

open access: yesIET Power Electronics, 2023
This research proposes a novel multilevel inverter based on a new capacitor basic unit. Four capacitors are deployed in this unit to provide both even and odd voltage levels.
Sara Laali, Reza Nasiri‐Zarandi
doaj   +1 more source

AC-DC Power System Analysis

open access: yes, 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   +3 more
core   +1 more source

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

open access: yesIET 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   +6 more
doaj   +1 more source

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