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Optimal Utilization of the Renewable Energy Based DG Inverter in Micro-grids
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Optimal Utilization of the Renewable Energy Based DG Inverter in Micro-grids
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Abstract
This paper describes a novel design concept concerning optimal utilization of the inverter interfaced distributed generator (DG) system working in micro-grids (MG). Some DG systems, e.g., the wind turbine generator (WTG) and the PV solar system conventionally generate real power based on natural conditions thus the average utilization rate of the entire asset is normally low. To eliminate this shortcoming, the proposed control scheme termed multifunctional DG inverter (MDGI) aims to use the DG inverter unit optimally. In the proposed control scheme, besides the regulation of real power the DG inverter can be operated as an active power filter (APF) for current harmonics compensation and as a STATCOM for voltage regulation and power factor compensation. The MDGI is designed to fully utilize the DG inverter capacity that remaining after real power generation for accomplishing various control functionalities required by the system operat...
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International Category Code (ICC):
ICC-0202
Tsao-tsung Ma, Tian-huei Wu
International Article Address (IAA):
IAA.ZONE/en6810en
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