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ENERGY EFFICIENCY FOR RENEWABLE ENERGY APPLICATION
Abstract
In this paper it is proposed a Hybrid Power Source (HPS), based on Renewable Energy Sources (RES), and a Fuel Cell (FC) system as backup energy source, which uses an optimal control strategy for the fueling rates of the FC (hydrogen and air) based on the load following (LF) control. The RESs power profile is given by the Photovoltaic (PV) panels and Wind Turbine (WT). Hydrogen and air needed to sustain the load are achieved through optimal control of the current realized in the LF control loop, the value of the current will control the hydrogen or the air flow rate. This control will be made by a FuelFr respectively AirFr regulator. Two configurations were studied. In the first HPS configuration, the air flow is controlled by AirFr regulator, the regulator being controlled by the LF controller. In the second configuration the hydrogen flow is controlled by the FuelFr regulator, the regulator being also controlled by the controller LF. The performance for these HPS configurations are compared for variable load profile with RES power, based on the following indicators: fuel consumption efficiency (Fueleff) and total fuel consumption (FuelT)
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References12
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Number of times cited according to Crossref: 2
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