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

Table 5

Output energy during different hours of operation using various MPPT methods under three types of single day irradiation.

Irradiation (Operation hours)	Method
	Traditional INC method	Variable step size INC method	Extension INC method
1,000 W/m^2 (2 hrs)	1024 Wh	1028 Wh	1032 Wh
800 W/m^2 (4 hrs)	1644 Wh	1648 Wh	1652 Wh
450 W/m^2 (6 hrs)	1374 Wh	1380 Wh	1386 Wh