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- W3123739525 abstract "The I-V curve tracer is an instrument that captures the current-voltage characteristics of photovoltaic (PV) generators under real operating conditions. Such device can be used to evaluate their performance and identify faults or aging effects, but its high costs have prevented it from being widely used in the industry. This article thus proposes the design of a low-cost, portable I-V curve tracer based on the classic dc-dc Ćuk converter for PV modules of up to 300 W. In order to obtain a compact device, some design techniques are proposed, including circuit reduction, high switching frequency operation, specification of the optimum load resistor power rating, and improved measurement distribution because of a nonlinear duty cycle variation. Experimental curves were compared with those acquired from commercial PV tracers to demonstrate its accuracy. In addition, the physical parameters of the well-known single-diode model have been extracted and compared with data provided by manufacturers to identify aging effects and module performance." @default.
- W3123739525 created "2021-02-01" @default.
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- W3123739525 date "2021-03-01" @default.
- W3123739525 modified "2023-10-16" @default.
- W3123739525 title "Design of a Portable Photovoltaic <i>I–V</i> Curve Tracer Based on the DC–DC Converter Method" @default.
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- W3123739525 doi "https://doi.org/10.1109/jphotov.2021.3049903" @default.
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