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Development of Aging Diagnosis Algorithm for Photovoltaic Modules by Considering Electric Characteristics and Environment Factors
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 Title & Authors
Development of Aging Diagnosis Algorithm for Photovoltaic Modules by Considering Electric Characteristics and Environment Factors
Lee, Kye-Ho; Choi, Sung-Sik; Kim, Byung-Ki; Jung, Jong-Yun; Kim, Chan-Hyeok; Rho, Dae-Seok;
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 Abstract
The installation of PV system to the power distribution system is being increased as one of solutions for environmental pollution and energy crisis. However, the efficiency of PV system is getting decreased because of the aging phenomenon and several operation obstacles. Therefore, The technology development of aging diagnosis of PV modules are required in order to improve operation performance of PV modules. This paper proposes evaluation algorithm for aging state in PV modules by using the electrical characteristics of PV modules and environmental factors. And also, this paper presents a operation evaluation system of PV modules based on the proposed aging diagnosis algorithm of PV modules. From the simulation results of proposed evaluation system, it is confirmed that the proposed algorithm is a useful tool for aging diagnosis of PV systems.
 Keywords
Aging diagnosis algorithm;Aging phenomenon;Electric characteristics;Environment factors;PV module;
 Language
Korean
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