Research Article

A Maximum Power Point Tracker with Automatic Step Size Tuning Scheme for Photovoltaic Systems

Figure 20

Measured output power, dynamic conductance, static conductance, and duty cycle waveforms of a PV module array using the proposed extension method under irradiation that increased from 450 W/m2 to 750 W/m2 and then dropped back to 450 W/m2.
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