Original Extremum control method implemented in MPP photovoltaic systems

2015 ◽  
Author(s):  
C. Festila ◽  
R. Both ◽  
E.-H. Dulf ◽  
M. Secara ◽  
S. Chetan
Keyword(s):  
Control Method ◽  
Photovoltaic Systems

scholarly journals Control Method Based on Demand Response Needs of Isolated Bus Regulation with Series-Resonant Converters for Residential Photovoltaic Systems

Energies ◽  
2017 ◽  
Vol 10 (6) ◽  
pp. 752 ◽  
Author(s):  
Shu-Huai Zhang ◽  
Feng-Zhang Luo ◽  
Yi-Feng Wang ◽  
Jiang-Hua Liu ◽  
Yong-Peng He ◽  
...  
Keyword(s):  
Demand Response ◽  
Control Method ◽  
Resonant Converters ◽  
Photovoltaic Systems ◽  
On Demand ◽  
Series Resonant

scholarly journals Autonomous control of biaxial tracking photovoltaic system

2016 ◽  
Vol 61 (Special Issue) ◽  
pp. S48-S52
Author(s):  
M. Olejár ◽  
V. Cviklovič ◽  
D. Hrubý ◽  
O. Lukáč
Keyword(s):  
Autonomous Navigation ◽  
Control Method ◽  
Theoretical Calculations ◽  
Photovoltaic Cells ◽  
Energy Gain ◽  
Photovoltaic System ◽  
Photovoltaic Systems ◽  
The Sun ◽  
Direction Control ◽  
Specific Position

Tracking photovoltaic systems maximize solar energy on the photovoltaic cells surface in order to maximize the energy gain at a given moment. Energy gain is dependent on the accuracy of photovoltaic cells direction, control method and tracking period. The control of tracking systems is based on theoretical calculations of sun position for a specific position in specific time. Designed control algorithm of the biaxial tracking photovoltaic system is able of autonomous navigation directed to the sun without knowing the position. It is based on the sun position sensor. The designed solution increases the solar gain by 33.8% in comparison with stable photovoltaic systems. It is usable in the research focused on the control method of step-controlled biaxial tracking photovoltaic devices.

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