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Articles 1 - 4 of 4
Full-Text Articles in Engineering
Loss Model For Gallium Nitride Dc-Dc Buck Converter, Rushi P. Patel
Loss Model For Gallium Nitride Dc-Dc Buck Converter, Rushi P. Patel
Pursuit - The Journal of Undergraduate Research at The University of Tennessee
In recent years, more research has been done on Enhancement Mode Gallium Nitride (eGaN) converters, as the world is moving towards more power efficient converters. Power converters play a major role in efficiently controlling and converting electric energy used by machines, systems, and everyday products. The process to make converters more efficient was complicated and slow in the twentieth century. One of the important aspects in power electronics is to evaluate different losses and minimize losses to achieve high efficiency of the converter. With help of simulation tools such as MATLAB and LTspice, this process has become much faster and …
Nuclear Power: Black Sky Liability Or Black Sky Asset?, Sherrell R. Greene
Nuclear Power: Black Sky Liability Or Black Sky Asset?, Sherrell R. Greene
International Journal of Nuclear Security
Ready access to abundant electricity is a key enabler of modern life. During the past decade the vulnerability of Critical Infrastructure sectors in the U.S. to a variety of natural hazards and man-made threats has become increasingly apparent. The electrical infrastructure (the “Grid”) is the foundation for all other critical civil infrastructures upon which our society depends. Therefore, protection of the Grid is an energy security, homeland security, and national security issue of highest importance. Geomagnetic disturbances (GMD) induced by solar coronal mass ejections (CMEs), electromagnetic pulse (EMP) attacks, and cyber attacks are three events having the potential to plunge …
Simulation Of A Smart Home Energy Management System With Dynamic Price Response, Jason Y. Chan, Qinran Hu
Simulation Of A Smart Home Energy Management System With Dynamic Price Response, Jason Y. Chan, Qinran Hu
Pursuit - The Journal of Undergraduate Research at The University of Tennessee
With the continuing development of the smart grid combined with the fluctuating nature of the electricity market, the development of demand-side management with controllable loads have been greatly driven. With the amount of household loads in the residential sector, managing their energy usage has received lots of interest. This paper presents a simulation of a previously proposed hardware design of a smart home energy management system (SHEMS), focusing on the data collection and processing functions of the proposed design while implementing them onto standard household loads like an electric water heater and an electric vehicle charging station. It was found …
Multilevel Dc-Ac Converter Interface With Solar Panels, Yue Cao
Multilevel Dc-Ac Converter Interface With Solar Panels, Yue Cao
Pursuit - The Journal of Undergraduate Research at The University of Tennessee
This paper presents a single-phase 11-level (5 H-bridge) cascaded multilevel DC-AC converter that has implemented a Phase Locked Loop (PLL) and Maximum Power Point Tracking (MPPT) with 5 separate solar panel DC sources. This topology upgrades the conventional 3-level Pulse Width Modulation (PWM) controlled converter with advantages such as smoother output waveforms, more flexibility in voltage range, smaller filter size, and switching angle control. Simulation results of voltage synchronization using PLL and experimental setup and results implementing the entire converter interface are also presented.