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Article dans une revue

Control of Grid Connected Photovoltaic System Using Three-Level T-Type Inverter

Abstract : Three-level T-Type inverter (3LT(2)I) topology has numerous advantageous compared to three-level neutral-point-clamped (NPC) inverter. The main benefits of 3LT(2)I inverter are the efficiency, inverter cost, switching losses, and the quality of output voltage waveforms. In this paper, a photovoltaic distributed generation system based on dual-stage topology of DC-DC boost converter and 3LT(2)I is introduced. To that end, a decoupling control strategy of 3LT(2)I is proposed to control the current injected into the grid, reactive power compensation, and DC-link voltage. The resulting system is able to extract the maximum power from photovoltaic generator, to achieve sinusoidal grid currents, and to ensure reactive power compensation. The voltage-balancing control of two split DC capacitors of the 3LT(2)I is achieved using three-level space vector modulation with balancing strategy based on the effective use of the redundant switching states of the inverter voltage vectors. The proposed system performance is investigated at different operating conditions.
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https://hal-u-picardie.archives-ouvertes.fr/hal-03637313
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Soumis le : lundi 11 avril 2022 - 15:17:52
Dernière modification le : mercredi 31 août 2022 - 09:22:25

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Abdelmalik Zorig, Mohammed Belkeiri, Said Barkat, Abdelhamid Rabhi. Control of Grid Connected Photovoltaic System Using Three-Level T-Type Inverter. International Journal of Emerging Electric Power Systems, De Gruyter, 2016, 17 (4), pp.377-384. ⟨10.1515/ijeeps-2016-0067⟩. ⟨hal-03637313⟩

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