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In order to facilitate the further integration of distributed renewable generation into existing power systems, enhanced control schemes for grid-tied power electronic converters are necessary to ensure non-synchronous power sources can provide power and support to the grid. The virtual-synchronous-machine concept proposes the use of control schemes to enable static generators to operate with the...
This paper investigates power smoothing in a full-scale offshore Oscillating Water Column (OWC) Wave Energy Converter (WEC) by integrating supercapacitors (SCs) with the inertia of a Wells turbine controlled at variable speed. A Simulink model is developed for the WEC system utilising sea state data and a SC system is sized to smooth and reduce the grid peak power for a 570 kW (peak) system. Long...
High-flux-density materials, such as iron-based amorphous metal and 6.5% silicon steel for gapped inductors, and powdered alloys for gapless inductors, are very competitive for high-power-density inductors. The high-flux-density materials lead to low weight/volume solutions for high-power dc-dc converters used in hybrid-electric and electric vehicles. In this paper, the practical effects of frequency,...
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