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With rapid increase in the use of wind energy as a source of renewable energy, it is necessary to keep wind turbines (WT) connected with the grid during grid faults and other disturbance. Since the disconnection of wind energy system lose a significant share of power grid. To accomplish this issue protective measure should be taken. This paper incorporates superconducting fault current limiter (SFCL)...
The article reports fabrication and characterization of low-cost solution-processed ZnO Quantum dots (QDs) Schottky photodiode. The Thin film of ZnO QDs (100nm) was deposited via a sol-gel route on n-Si substrate and annealed at 250°C. The Schottky barrier of 0.63eV is formed between the ZnO QDs and Pd metal deposited using shadow mask technique through e-beam evaporation under very high vacuum of...
Tangent Delta, also called loss angle or dissipation factor (δ) is a measurement technique to determine the quality of cable insulation. It utilizes the phase shifts caused by the displacement current induced due to the existence of impurities in the insulation or stress on the cable. More than 50% of the underground cable breakdown is due to cable joint failures and also aged bulk cable failures...
To obtain better mechanical and tribological properties than aluminium alloys aluminium is reinforced with alumina particles making aluminium metal matrix composites. In this work scrap piston A380 alloy was used as the matrix alloy. Alumina particles were added by 5%, 10% and 15% into matrix alloy respectively to form desired composites by stir casting technique. Pin on disc wear testing machine...
This paper presents a systematic study of the subthreshold analog/RF performance for underlap double gate (UDG) NMOSFETs using high dielectric constant spacers. The conventional UDG-NMOSFETs offer reduced short-channel effects along with improved subthreshold analog/RF performance at a cost of higher distributed channel resistance and low on current. In this paper, we show that these drawbacks...
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