Results 1 to 10 of about 95,064 (281)

Power loss investigation in HVDC for cascaded H-bridge multilevel inverters (CHB-MLI) [PDF]

open access: yes, 2015
In the last decade, the use of voltage-source multilevel inverters in industrial and utility power applications has been increased significantly mainly due to the many advantages of multilevel inverters, compared to conventional two level inverters ...
Alamri, B, Darwish, M
core   +1 more source

A Closed-form Expression to Estimate the Uncertainty of THD Starting from the LPIT Accuracy Class

open access: yesSensors, 2020
Power quality is a wide-ranging and current topic that involves a huge effort from the scientific community. Power quality issues have to be avoided or solved in order to preserve the integrity of the network and its assets.
Alessandro Mingotti   +2 more
doaj   +1 more source

Clasificador automático de clase (adulto-cría) mediante características distintivas en vocalizaciones de manatíes

open access: yesRevista de Iniciación Científica, 2022
En este documento se desarrollan algunos métodos específicos para llevar a cabo un clasificador que sea capaz de identificar manatíes adultos y cría de distintos audios.
Jaira Morales   +2 more
doaj   +1 more source

Optimum SHE for cascaded H-bridge multilevel inverters using: NR-GA-PSO, comparative study [PDF]

open access: yes, 2015
Selective Harmonic Elimination (SHE) is very widely applied technique in the control of multilevel inverters that can be used to eliminate the low order dominant harmonics.
Alamri, B, Darwish, M, Sallama, A
core   +1 more source

Analytical modeling of open-Circuit air-Gap field distributions in multisegment and multilayer interior permanent-magnet machines [PDF]

open access: yes, 2009
We present a simple lumped magnetic circuit model for interior permanent-magnet (IPM) machines with multisegment and multilayer permanent magnets. We derived analytically the open-circuit air-gap field distribution, average air-gap flux density, and ...
Chan, C.C.   +3 more
core   +1 more source

A back to back multilevel converter for driving low inductance brushless AC machines [PDF]

open access: yes, 2007
Traditionally, multilevel converters are utilised in medium voltage applications, allowing the DC-link voltage to exceed the switch maximum blocking voltage.
Bingham, Chris   +3 more
core   +1 more source

PFC Topologies for AC to DC Converters in DC Micro-Grid [PDF]

open access: yes, 2016
With increasing dominance of renewable energy resources and DC household appliances, the novelty of DC micro grid is attracting significant attention. The key interface between the main supply grid and DC micro grid is AC to DC converter.
Ashraf, Muhammad   +3 more
core   +1 more source

A novel in-phase disposition SPWM pulse allocation strategy for cascaded H-bridge inverter [PDF]

open access: yesArchives of Electrical Engineering, 2018
A novel in-phase disposition (IPD) SPWM pulse allocation strategy applied to a cascaded H-bridge (CHB) converter is presented in this paper. The reason causing the power of the CHB converter imbalance is analyzed according to the traditional structure ...
Yonggao Zhang   +3 more
doaj   +1 more source

Hybrid controller-based solar-fuel cell-integrated UPQC for enrichment of power quality

open access: yesPaladyn, 2023
A fuzzy-integrated sliding mode-based hybrid controller (FISMHC) attributed to unified power quality conditioner (UPQC) was proposed in this study through implementation with solar integrated to fuel cell through incorporation of UPQC within sequence ...
Sai Sarita Narala Chitti   +2 more
doaj   +1 more source

Promoting development education in Spanish engineering studies, a comprehensive strategy from the non governmental fiels based on a collabroative approach with the univesity [PDF]

open access: yes, 2005
The main goal of this paper is to present the conce pt of ‘Technology for Human Development’ (THD) as a conceptual and particular f ramework for promoting ‘Development Education’ (DE) programmes in engineer ing curricula.
Boni Aristizábal, Alejandra   +1 more
core  

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