A novel on-line MPP search algorithm for PV arrays

被引:64
作者
Altas, IH [1 ]
Sharaf, AM [1 ]
机构
[1] UNIV NEW BRUNSWICK,DEPT ELECT ENGN,FREDERICTON,NB E3B 5A3,CANADA
关键词
D O I
10.1109/60.556374
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
A novel maximum power point (MPP) search algorithm for photovoltaic (PV) array systems is introduced. The proposed algorithm determines the maximum power point of a PV array for any temperature and solar irradiation level using an on-line procedure. The method needs only the on-line values of the PV array output voltage and current, which can be obtained easily by using just current and voltage transducers. The algorithm requires neither the measurement of temperature and solar irradiation level nor a PV array model that is mostly used in look-up table based algorithms. Satisfactory results were obtained with the proposed algorithm in a laboratory prototype implementation scheme consisting of a PV array computer emulation model, a chopper controlled permanent magnet de motor, and a DT2827 data acquisition board with the ATLAB software drivers for interfacing.
引用
收藏
页码:748 / 754
页数:7
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