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A stand-alone PV system based on golden section search method
Author(s): 
Pages: 81-87
Year: Issue:  1
Journal: Electric Machines and Control

Keyword:  PV systemmaximum power point tracking ( MPPT )golden section controlrapidityro-bustness;
Abstract: For the wide range of input and high utilization requirements of photovoltaic power generation system,the research achieved maximum energy capture througha variable step iteration golden section control. A dynamic simulation model was established based onengineering software, the results of which shows the feasibility of the system meanwhile stability of the algorithm. Energy conversion hardware cir-cuit with floating-point digital signal processor TMS320F28035 was designed,as well theimplementation in software based on golden section control. The experimental results verify the effectiveness of the algo-rithm. The system converged at new maximum power point in 30ms after the condition changed, which showed a fast convergence time. The high efficiency system has astrong robustness. The implementation of the algorithm can provide a reference for engineering practice and application of photovoltaic power gener-ation system.
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