Analysis of inhomogeneous local distribution of potential induced degradation at a rooftop photovoltaic installation

被引：9

作者：

Buerhop, Claudia ^{[1
]}

Pickel, Tobias ^{[1
]}

Patel, Tirth ^{[1
]}

Fecher, Frank W. ^{[1
]}

Zetzmann, Cornelia ^{[2
]}

Camus, Christian ^{[1
]}

Hauch, Jens ^{[1
]}

Brabec, Christoph J. ^{[1
,3
]}

机构：

[1] Bayer Zentrum Angew Energieforsch ZAE Bayern, Immerwahrstr 2, D-91058 Erlangen, Germany

[2] Rauschert GmbH, Bahnhofstr 1, D-96332 Pressig, Germany

[3] Friedrich Alexander Univ Erlangen Nurnberg FAU, I MEET, Martensstr 7, D-91058 Erlangen, Germany

来源：

IET RENEWABLE POWER GENERATION | 2017年 / 11卷 / 10期

关键词：

building integrated photovoltaics; geometry; infrared imaging; failure analysis; inhomogeneous local distribution analysis; potential induced degradation; PID; roof-top photovoltaic installation; photovoltaic modules; PV modules; PV installations; buildings; PV-plant; Atlantic coastal climate; complex plant geometry; resulting irradiation situation; historic monitoring data evaluation; defect ratio; performance rate; degradation loss rate; PERFORMANCE; MODULES; RELIABILITY;

D O I：

10.1049/iet-rpg.2017.0105

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Potential induced degradation (PID) of photovoltaic (PV) modules is one of the frequently observed failures in PV installations nowadays. This study investigates the inhomogeneous and complex PID generation on rooftop installations on industrial buildings as well as its impact on the module performance. The PID development is exemplarily presented for a 314kWp PV-plant installed in the Atlantic coastal climate. Due to the complex plant geometry and resulting irradiation situation the existence of PID could not be identified based on the annual yield data. By Infrared imaging PID was clearly identified. Evaluating historic monitoring data, the impact of PID on the string and plant performance could be quantified. A linear correlation between the defect ratio and the performance rate as well as the degradation loss rate could be formulated.

引用

页码：1253 / 1260

页数：8

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