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Solar energy generated by the sunlight is non schedulable due to the stochastic behavior of meteorological conditions. Also the equipment for measuring the solar irradiance is expensive and rarely available in all locations of the globe. Hence prior knowledge of solar radiation is very important, for better management, sizing and control of solar energy installations. Predictive data mining such as...
To improve the performance and operational life time of an organic light emitting diode (OLED), a single uniformly mixed-host (MH) emissive layer (EML) based OLED structure with modified anode surface has been proposed in this work. Through the numerical simulation, the feasibility of the proposed modified work function of ITO based device structure has been justified from the electrical characteristics...
The effect of anode surface modification on performance of uniformly mixed-host (MH) emissive layer (EML) based organic light emitting diode (OLED) has been investigated by the numerical simulation. Indium Tin Oxide (ITO) used as anode in the device. Due to proposed surface modification technique of ITO, the energy barrier at anode/organic layer interface is reduced which consummately enhanced the...
In this paper, InGaN/InN/InGaN-based double channel HEMTs are investigated by numerical simulation from the self-consistent solution of Schrodinger-Poisson systems. The influences of polarization charges and quantum effects are incorporated into this model. The simulation model predicts the two-dimensional electrical characteristics (internal electric fields and distribution of charges in the channel)...
The effects of higher hole transport material (HTM) composition on single emissive layer (EML) based organic light emitting diode (OLED) performance are investigated quantitatively. Due to higher ratio of HTM in EML, the turn-on voltage is reduced from 3.5 V to 2.7 V. In parallel, OLED luminescence and current efficiency also increased with higher HTM concentration. This improvement of OLED performance...
The effects of indium tin oxide (ITO) based anode work function modification on charge injection at anode/organic layer interface and charge transport into the organic layers of organic light emitting diode (OLED) have been investigated quantitatively through this numerical simulation work. The improvement of device performances due to this anode surface modification also explained in this work in...
The paper proposes an up to date design and simulation of a grid connected photovoltaic system using Simulink. A Photovoltaic (PV) cell, a DC/DC boost converter and a DC/AC inverter constitutes the system. The internal mechanism of solar cell with diagram & approximation of PV cell are described. The PV cell model is simple, precise, and takes external temperature as well as solar radiation into...
This paper presents a transformer-less grid-tie hybrid photovoltaic and wind energy system. The proposed hybrid system consists of a wind turbine, a Permanent Magnet Synchronous Machine (PMSM), a three phase diode bridge rectifier, an wind-side converter, Photovoltaic (PV) array, a dc-dc converter, a grid interface inverter and a T-LCL filter. The power extracted from hybrid wind-solar power system...
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