Results 71 to 80 of about 313,973 (156)
Unidirectional Protection Strategy for Multi-terminal HVDC Grids
Transactions on Environment and Electrical Engineering, 2016 Protection issue is identified as the main drawback of emerging multi-terminal HVDC grids. Multi-terminal HVDC grid demands fast short circuit fault current interruption.
Ataollah Mokhberdoran +3 more
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The GaAs solar cells with V-grooved emitters [PDF]
Geometrically structured surfaces have become increasingly important to solar cell efficiency improvements and radiation tolerance. Gallium arsenide solar cells with a V-grooved front surface which demonstrate improved optical coupling and higher short ...
Bailey, Sheila G. +4 more
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Open EngineeringDuring the normal life of the transformers, they are subjected to different electromagnetic stresses. One of these stresses is the electromagnetic forces resulting from the passage of short-circuit current in the transformer coils due to internal or ...
Hameed Kassim Rasheed +2 more
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IEEE Open Journal of Power ElectronicsA short-circuit protection circuit is proposed for power electronic systems employing silicon carbide metal–oxide–semiconductor field-effect transistors.
Seungjik Lee +5 more
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Transient analysis of unbalanced short circuits of the ERDA-NASA 100 kW wind turbine alternator [PDF]
Unbalanced short-circuit faults on the alternator of the ERDA-NASA Mod-O100-kW experimental wind turbine are studied. For each case, complete solutions for armature, field, and damper-circuit currents; short-circuit torque; and open-phase voltage are ...
Gilbert, L. J., Hwang, H. H.
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Ferroelectricity in ultra-thin perovskite films
, 2005 We report studies of ferroelectricity in ultra-thin perovskite films with realistic electrodes. The results reveal stable ferroelectric states in thin films less than 10 \AA thick with polarization normal to the surface.
Alexie M. Kolpak +3 more
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IET Electric Power ApplicationsAs one of the key main equipment of the power system, the transformer directly affects the safe and reliable operation of the system. In the process of transformer reclosing, the internal electromagnetic environment is obviously different from that of ...
Yuefeng Hao +3 more
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The use of FEP Teflon in solar cell cover technology [PDF]
FEP plastic film was used as a cover and as an adhesive to bond cover glasses to silicon solar cells. Various anti-reflective coatings were applied to cells and subsequently covered with FEP.
Broder, J. D., Mazaris, G. A.
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Application Research of Sequential Quadratic Programming in Fault Location of Traction Networks
Kongzhi Yu Xinxi JishuExisting research on short-circuit fault location in traction networks typically focuses on reducing model errors. However, there are currently two major problems: the lack of a unified standard for model solution methods, which makes it difficult to ...
ZHANG Guihua +4 more
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IEEE AccessPower Metal Oxide Semiconductor Field Effect Transistors (MOSFETs) are essential in modern electronics, enabling efficient power conversion and control in a wide range of applications. Wide bandgap semiconductors such as silicon carbide (SiC) and gallium
Marco Boccarossa +6 more
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