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Clustered PV inverters in LV networks: an overview of impacts and comparison of voltage control strategies
Demirok, Erhan; Sera, Dezso; Teodorescu, Remus; Rodríguez Cortés, Pedro
Universitat Politècnica de Catalunya. Departament d'Enginyeria Elèctrica; Universitat Politècnica de Catalunya. SEER - Sistemes Elèctrics d'Energia Renovable
High penetration of photovoltaic (PV) inverters in low voltage (LV) distribution network challenges the voltage stability due to interaction between multiple inverters and grid. As the main objective is to provide more power injection from VSC-based PV inverters, grid stability, reliability and power quality must be maintained or improved by adding cooperative control features to the grid-connected inverters. This paper first gives an overview of bilateral impacts between multiple distributed generations (DG) and grid. Regarding of these impacts, recent advances in static grid voltage support functionalities to increase penetration level are compared considering voltage rise limitation. Steady-state simulation study is realized in PSCAD/EMTDC and the results are discussed in terms of total generation efficiency.
Peer Reviewed
Àrees temàtiques de la UPC::Energies::Energia elèctrica::Electricitat
Àrees temàtiques de la UPC::Informàtica::Aplicacions de la informàtica::Aplicacions informàtiques a la física i l‘enginyeria
Distributed generation of electric power -- Computer simulation
Photovoltaic power systems
Reactive power (Electrical engineering)
Energia elèctrica -- Conversió
Electricitat -- Control
Electricitat -- Dispositius de distribució
Electricitat -- Simulació per ordinador
Attribution-NonCommercial-NoDerivs 3.0 Spain

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