A low-disturbance diagnostic function integrated in the PV arrays' MPPT algorithm

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Title:	A low-disturbance diagnostic function integrated in the PV arrays' MPPT algorithm
Author:	Sera, Dezso; Mathe, L.; Kerekes, Tamas; Teodorescu, Remus; Rodríguez Cortés, Pedro
Other authors:	Universitat Politècnica de Catalunya. Departament d'Enginyeria Elèctrica; Universitat Politècnica de Catalunya. SEER - Sistemes Elèctrics d'Energia Renovable
Abstract:	This paper focuses on the estimation of series resistance changes for flat silicone PV panels or arrays during operation, without moving the operating point far away from the Maximum Power Point1. The method is based on the measurement of the slope of the IV curve at a current level that differs from the short-circuit current with a fixed value, regardless of irradiance conditions. The method causes less power loss and power ripple due to measurements and it is easily integrated in a hill-climbing MPPT algorithm.
Abstract:	Peer Reviewed
Subject(s):	-Àrees temàtiques de la UPC::Energies::Energia solar fotovoltaica -Àrees temàtiques de la UPC::Energies::Energia elèctrica::Electricitat -Photovoltaic power systems -Solar energy -Energia solar fotovoltaica -Sistemes de potencia fotovoltaica
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Document type:	Article - Published version Conference Object
Published by:	IEEE
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