Evaluation of the “Hill Climbing” and the “Incremental Conductance” Maximum Power Point Trackers for Photovoltaic Power Systems

2012 ◽  
Vol 27 (4) ◽  
pp. 922-929 ◽  
Author(s):  
Søren Bækhøj Kjær
Keyword(s):  
Power Systems ◽  
Maximum Power ◽  
Hill Climbing ◽  
Maximum Power Point ◽  
Photovoltaic Power ◽  
Incremental Conductance ◽  
Power Point ◽  
Photovoltaic Power Systems

Application of Non-Inverting Buck-Boost DC-DC Converter in Photovoltaic Power Systems

2012 ◽  
Vol 588-589 ◽  
pp. 818-821
Author(s):  
Feng Ge Zhang ◽  
Zhi Fei Teng ◽  
Xiao Ju Yin ◽  
Shi Lu Zhu
Keyword(s):  
Power Systems ◽  
Power System ◽  
Response Speed ◽  
Maximum Power ◽  
Maximum Power Point ◽  
Maximum Power Point Tracker ◽  
Photovoltaic Power ◽  
Power Point ◽  
Photovoltaic Power Systems

The method of maximum power point tracker with PIC18F4520 controlling in photovoltaic power system has been described in this paper. Maximum power point tracker is implemented with a non-inverting buck-boost DC-DC conversion topology. The system is simple with good response speed. And the efficiency of system is approved apparently with the method.

scholarly journals A New Fractional-Order Based Intelligent Maximum Power Point Tracking Control Algorithm for Photovoltaic Power Systems

2015 ◽  
Vol 2015 ◽  
pp. 1-8 ◽  
Author(s):  
Kuo-Nan Yu ◽  
Chih-Kang Liao ◽  
Her-Terng Yau
Keyword(s):  
Power Systems ◽  
Fractional Order ◽  
Maximum Power ◽  
Maximum Power Point ◽  
Point Tracking ◽  
Power Point Tracking ◽  
Photovoltaic Power ◽  
Incremental Conductance ◽  
Conductance Method ◽  
Power Point

This paper proposes a new type of variable fractional-order incremental conductance algorithm (VFOINC), combined with extenics variable step size (EVSS) control into the maximum power point tracking (MPPT) design for photovoltaic power systems. At the beginning of maximum power tracking, the fractional-order numberαis selected as 1; the good transient tracking characteristic of traditional incremental conductance method is used. When the maximum power point is approached, the fractional-order numberαis selected as variable fractional order; the curve profile ofαin fractional order is used to approximate, so that the system has good tracking effect in transient and steady states. The experimental and simulation results show that, compared with traditional incremental conductance method (INC) and fractional-order incremental conductance method (FOINC), this method has better MPPT effect.

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