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The Performance Evaluation Analysis of PV System for Arch and Flat-Plate Type
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 Title & Authors
The Performance Evaluation Analysis of PV System for Arch and Flat-Plate Type
Piao, Zheng-Guo; Choi, Youn-Ok;
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 Abstract
The studies on the operating performance analysis or design about the fixed tilt angle flat-plate photovoltaic (PV) system are still lively going off. However the operating property analysis about the arch type PV system which means PV array were designed as round type is dissatisfied. In this paper, we theoretically established the factors which are cause of the deterioration in performance of arch type PV system. In addition, we use the Solar Pro simulation tools to design both flat-plate type and arch type 30kW PV systems. The simulations about arch type PV system applied two ways such as central inverter and string inverter were conducted. The performance ratio (PR) of the PV system with flat-plate type shows the highest value 74[%] when the tilt angle is 30°. In case of arch type, when applying central inverter method, PR value shows approximately 73[%] and no more difference with arch type of the PV array. This value shows 1[%] decrease compare with the flat-plate type. However when applying string inverter methods, the average PR value shows 80 % and 6% improved than the central inverter method.
 Keywords
Arch type PV systems;Performance ratio;Capture losses;System losses;Reference yield;
 Language
Korean
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