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A medium/high-power conversion system, using power electronic (PE) converter in conjunction with a medium/high-frequency transformer, has many desirable effects suitably oriented for modern power system architecture. Switching at high frequency results in lesser volume of magnetics but induces higher loss density. Thus design and characterization of a medium-frequency (MF) high-power (HP) transformer...
Medium/high-frequency transformer is an integral part of many power conversion systems. Switching at higher frequency results in lesser volume of magnetics but induces higher winding loss density, on account of increased eddy current effects in conductors. Thus winding resistance is a key parameter to characterize performance of a medium-frequency (MF) highpower (HP) transformer. In this paper, 10...
This paper investigates the effect of inclined angle of fuel jet on concentration of NOx emission in high temperature air combustion furnace. Computational Fluid Dynamics (CFD) modeling was implemented to investigate the combustion process and NOx formation in the furnace. The CFD model presented in this paper is validated by comparing the modeling results with measured data. The results show that...
A computational fluid dynamics (CFD) model of the velocity distribution of the tangential coal-fired flame in an industrial boiler has been established. The mesh of the furnace was generated based on the geometric structure of the furnace. Typical operation parameters of the boiler and normal boundary conditions of the velocity field were applied to the model to solve the kinetic inverse problem....
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