A NEW APPROACH FOR INSTANT MEASUREMENT OF PHOTOVALTAIC V-I CHARACTERISTCS
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A new approach for measurement of photovoltaic V-I characteristics has been proposed in this letter. The approach uses the transient electrical characteristics that occur at the instant when a PV is shorted with an inductor. In the approach, only the voltage across the inductor, which is equal to the PV voltage, is measured. The PV current is calculated by integrating this voltage. The proposed approach has been experimentally compared with the variable resistance method and it is found that they exhibited more or less the similar measured results.