Abstract
This paper deals with the realization and design of a consumption profile emulator intended for the validation of different element energy models of a stand-alone wind and photovoltaic system, associated with electrochemical energy storage [1]. The emulator is designed to vary active power but in the near future it will also be used to load simulation with reactive power. Energy models are then inserted in a sizing optimization algorithm in order to minimize the Global Energy Requirement (GER) of the whole system [2]. Afterwards, we will focus on the emulator power part dimensioning and then its modelling in view of the stand-alone system controlled by an active power reference. Moreover, the digital profile generator is described. The impact on the DC bus capacitor current, caused by the frequency difference between the grid and the inverter, has also been tackled. Finally, experimental results are shown.
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