Journal of Electrical Engineering : Volume 18 / 2018 - Edition : 1

DESIGN OF A ROBUST CONTROLLERS FOR POWER ELECTRONICS CONVERTERS POWERED BY A HYBRID (PVG)/(WTG) POWER SYSTEM

Authors:
Mohamed Akram JABALLAH
Dhafer MEZGHANI
Abdelkader MAMI
Domain:
industrial electrical power systems
Abstract:
Wind and photovoltaic are the most major type of energy used to create hybrid power energy source. In a renewable energy conversion system, power electronics converters are used to charge storage batteries and to transform the dc current to alternative current and vice versa. In order to fully exploit the energy provided by both sources and ensure a very high efficiency, it is necessary to oblige the hybrid photovoltaic/wind system to produce the maximum possible power. For this, the use of MPPT methods is required. This paper presents a theoretical study and design of two MPPT controllers using to control a photovoltaic (PVG)/wind turbine generator (WTG) hybrid system. For the photovoltaic generator, a MPPT based on sliding mode technique (MPPTSMC), is adopted. In another hand, a MPPT based on a torque control (TC) is used to extract maximum power from the wind turbine generator. The proposed approach is designed using the PSIM software tools. The results of simulation show the effectiveness of this solution.
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