Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.12313/416
Title: Study of Power Quality at the Point of Common Coupling of a Low Voltage Grid and a Distributed Generation System of 7.8 kWp in a Tropical Region
Authors: Valverde Granja, Agustín
De Souza, Teófilo Miguel
Magalhães Sobrinho, Pedro
Arévalo Santos, Daniel Felipe
Keywords: Solar energy
Experimental network
Power quality
Low voltage
Issue Date: 13-Jun-2018
Publisher: Energies - MDPI
Citation: Granja, A.V.; de Souza, T.M.; Sobrinho, P.M.; Santos, D.F.A. Study of Power Quality at the Point of Common Coupling of a Low Voltage Grid and a Distributed Generation System of 7.8 kWp in a Tropical Region. Energies 2018, 11, 1539.
Abstract: In this paper we analyze an experimental 1000 kWh/month distributed generation system in a tropical region connected to a point of common coupling in a low voltage grid that was characterized according to NTC 5001. This photovoltaic system has 7.8 kWp and uses 30 polycrystalline silicon-panels of 260 Wp each. Its maximum energy produced was 850 kWh/month, equivalent to 72.65% of the installed capacity. Finally, there was an increase of 2% with respect to the minimum voltage value that was recorded. The voltage unbalance decreases between 3.5 and 70% and voltage harmonics in each line increased by 7% on line U1, 0.8% on U2, 3% on U3 and current harmonics have a 22% increase. Likewise, the total active and reactive power were increased by 58% and 42% respectively, and the thermography study allowed to establish a temperature increase at the point of common coupling of 7.5%. Therefore, it is expected that this paper can serve as a reference for the application of Colombian law 1715 in solar energy.
URI: https://www.mdpi.com/1996-1073/11/6/1539
ISSN: 1996-1017
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