Investigation of energy-efficiency improvement in an electrical drive system based on multi-winding machines
Sign Up to like & getrecommendations! Published in 2018 at "Electrical Engineering"
DOI: 10.1007/s00202-016-0493-z
Abstract: This paper presents an investigation of energy-efficiency improvement of an electrical drive system based on multi-winding machines. An improved power factor (PF) control scheme is proposed allowing energy-efficiency enhancement and optimization in high-power variable-speed drives… read more here.
Keywords: efficiency improvement; winding machines; multi winding; energy efficiency ... See more keywords
Resource recycle efficiency improvement analysis for sharing bicycles: Value chain perspective
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Cleaner Production"
DOI: 10.1016/j.jclepro.2020.120284
Abstract: Abstract Sharing economy represents a new business model in which the access to goods, services, spaces, and other assets can be shared or obtained. Sharing economy firms have been able to achieve global levels of… read more here.
Keywords: bicycle; recycle; efficiency improvement; value chain ... See more keywords
Impacts of productive efficiency improvement in the global metal industry on CO2 emissions.
Sign Up to like & getrecommendations! Published in 2019 at "Journal of environmental management"
DOI: 10.1016/j.jenvman.2019.109261
Abstract: This study focused on 14 metal sectors of the 40 countries that are the largest CO2 emitters and developed a new analysis framework to estimate CO2 reduction potentials based on the Greenhouse Gas Protocol through… read more here.
Keywords: co2; metal; efficiency improvement; co2 emissions ... See more keywords
Trap passivation and efficiency improvement of perovskite solar cells by a guanidinium additive
Sign Up to like & getrecommendations! Published in 2019 at "Materials Chemistry Frontiers"
DOI: 10.1039/c9qm00112c
Abstract: Incorporation of an effective additive 1,3-diaminoguanidine monohydrochloride in MAPbI3 film can increase the grain size and reduce trap density, consequently increasing the carrier lifetime and reducing charge recombination, leading to an improved efficiency from 19.1%… read more here.
Keywords: efficiency improvement; improvement perovskite; passivation efficiency; perovskite solar ... See more keywords
Radiation Efficiency Improvement of a Balanced Miniature IFA-Inspired Circular Antenna
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Antennas and Wireless Propagation Letters"
DOI: 10.1109/lawp.2016.2633308
Abstract: The radiation efficiency improvement of an electrically small antenna is presented. We consider a balanced miniature inverted-F-antenna-inspired circular antenna whose radius is ${{\mathbf \lambda }}/28$ at 433 MHz and radiation efficiency is 30%. By modifying the… read more here.
Keywords: efficiency; radiation efficiency; efficiency improvement; antenna ... See more keywords
Driving Efficiency Improvement (EI): Exploratory Analysis of a Centralised Model in New South Wales
Sign Up to like & getrecommendations! Published in 2022 at "Risk Management and Healthcare Policy"
DOI: 10.2147/rmhp.s383107
Abstract: Introduction Public healthcare systems face rising demand coupled with reducing funding growth rates, necessitating ongoing approaches to efficiency improvement (EI). Centrally coordinated EI approaches l may support EI leaders, yet few such approaches exist internationally.… read more here.
Keywords: health; centralised model; support; efficiency ... See more keywords
Efficiency improvement of heat pipe by using Graphene nanofluids with different concentrations
Sign Up to like & getrecommendations! Published in 2020 at "Thermal Science"
DOI: 10.2298/tsci190415358v
Abstract: In the present study thermal performance of heat pipe were validated experimentally. Circular, auxiliary grooved heat pipe were charged with graphene nanofluid with different concentrations (0.6%, 0.75%), orientation, and flow rate are fixed as 90°… read more here.
Keywords: efficiency improvement; heat pipe; different concentrations; improvement heat ... See more keywords
System Efficiency Improvement for Electric Vehicles Adopting a Permanent Magnet Synchronous Motor Direct Drive System
Sign Up to like & getrecommendations! Published in 2017 at "Energies"
DOI: 10.3390/en10122030
Abstract: To improve the endurance mileage of electric vehicles (EVs), it is important to decrease the energy consumption of the Permanent Magnet Synchronous Motor (PMSM) drive system. This paper proposes a novel loss optimization control strategy… read more here.
Keywords: efficiency improvement; system; system efficiency; motor ... See more keywords
Energy Efficiency Improvement of Electric Machines without Rare-Earth Magnets
Sign Up to like & getrecommendations! Published in 2023 at "Energies"
DOI: 10.3390/en16083573
Abstract: Electric motors are one of the largest consumers of electricity and are responsible for 40–45% of the world’s energy consumption [...] read more here.
Keywords: improvement electric; energy; machines without; electric machines ... See more keywords
Design, Molecular Modeling and Synthesis of Metal-Free Sensitizers of Thieno Pyridine Dyes as Light-Harvesting Materials with Efficiency Improvement Using Plasmonic Nanoparticles
Sign Up to like & getrecommendations! Published in 2020 at "Molecules"
DOI: 10.3390/molecules25081813
Abstract: Considering the thiophene unit as an electron-rich heterocycle, it is investigated with the aim of elucidating its potential efficiency for solar cell application. With the introduction of active substituents such as COOEt, CONH2 and CN… read more here.
Keywords: molecular modeling; efficiency improvement; metal; thieno pyridine ... See more keywords