Comparative efficiency study of single phase photovoltaic grid connected inverters using PLECS®

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To access the full text documents, please follow this link: http://hdl.handle.net/2117/96662

Title:	Comparative efficiency study of single phase photovoltaic grid connected inverters using PLECS®
Author:	Rouzbehi, Kumars; Davarifar, M.; Martino, M.; Citro, Costantino; Luna Alloza, Álvaro; Daneshifar, Z.; Rodríguez Cortés, Pedro
Other authors:	Universitat Politècnica de Catalunya. Departament d'Enginyeria Elèctrica; Universitat Politècnica de Catalunya. SEER - Sistemes Elèctrics d'Energia Renovable
Abstract:	Global warming is already having significant and costly effects on our communities, our health, and our climate. Nowadays, In developing countries (G20) around the world, decisions are being considered and a shifting of our dependence from fossil fuels to renewable energy sources (RES). Among RES solar energy, specially photovoltaic system (PV) play a key role in this challenge, thus, this paper provides a comparative study on the performances of three transformer-less inverters for photovoltaic applications (H-Bridge, H5, HERIC and NPC inverters) in terms of power losses, considering the use of different kinds of switches. Silicon (Si) and Silicon Carbide (SiC) diodes have been combined with two topologies of IGBTs in the performed tests. Simulation results have been obtained for each of the systems in different operating conditions by using PLECS software. Power losses and European Efficiency (EE) have been calculated for all the topologies, taking into account the real characteristics of the switches by using the thermal models provided by the software library.
Abstract:	Peer Reviewed
Subject(s):	-Àrees temàtiques de la UPC::Enginyeria electrònica::Electrònica de potència::Convertidors de corrent elèctric -Àrees temàtiques de la UPC::Energies::Energia solar fotovoltaica -Electric current converters -Photovoltaic power systems -insulated gate bipolar transistors -invertors -photovoltaic power systems -power grids -silicon compounds -single phase photovoltaic grid connected inverters -PLECS -global warming -renewable energy sources -RES solar energy -photovoltaic system -transformer-less inverters -photovoltaic applications -H-bridge -H5 -HERIC -NPC inverters -power losses -silicon carbide -IGBT -PLECS software -European Efficiency -thermal models -Convertidors de corrent elèctric -Energia solar fotovoltaica
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Document type:	Article - Published version Conference Object
Published by:	Institute of Electrical and Electronics Engineers (IEEE)
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