Research Article

Photovoltaic Energy Conversion System Constructed by High Step-Up Converter with Hybrid Maximum Power Point Tracking

Figure 9

Startup waveforms under 1000 W/cm2 illumination intensity: (a) based on the perturbation and observation method—(1)   ; (2) ; (3)   . (b) Based on the proposed HMPPT method—(1)   ; (2) ; (3)   .
275210.fig.009a
(a)
275210.fig.009b
(b)