System performance loss due to LeTID

被引：59

作者：

Kersten, Friederike ^{[1
]}

Fertig, Fabian ^{[1
]}

Petter, Kai ^{[1
]}

Kloeter, Bernhard ^{[1
]}

Herzog, Evelyn ^{[1
]}

Strobel, Matthias B. ^{[1
]}

Heitmann, Johannes ^{[2
]}

Mueller, Joerg W. ^{[1
]}

机构：

[1] Hanwha Q CELLS GmbH, Sonnenallee 17-21, D-06766 Bitterfeld, Germany

[2] TU Bergakad Freiberg, Inst Appl Phys, Leipziger Str 23, D-09599 Freiberg, Germany

来源：

7TH INTERNATIONAL CONFERENCE ON SILICON PHOTOVOLTAICS, SILICONPV 2017 | 2017年 / 124卷

关键词：

me-Si PERC; light-induced degradation; LIGHT-INDUCED DEGRADATION; SILICON SOLAR-CELLS; MULTI-CRYSTALLINE SILICON; ILLUMINATION; MODULES;

D O I：

10.1016/j.egypro.2017.09.260

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：

If not adequately suppressed, Light and elevated Temperature Induced Degradation (LeTID) has been shown to cause severe degradation of multicrystalline (mc-Si) silicon solar cells and modules with passivated emitter and rear cell (PERC). Within this work, the system performance of LeTID-sensitive me-Si modules is investigated when operated in temperate and mediterranean climates, and a correlation to predict the observed field performance based on accelerated laboratory testing is presented. Severe degradation induced by LeTID of up to 7% in maximum output power is detected after one thousand hours of laboratory testing, which is shown to correspond to similar to 3 years of field installation time in Cyprus. In contrast, LeTID-sensitive modules installed in Germany show a degradation of 2.5% within the same time period. Due to lower irradiance values and module temperature in Germany the LeTID rate is lower than in Cyprus. A significant dependence of system performance loss and energy yield due to LeTID on installation site is shown. Hence, the loss in system performance due to LeTID affects one-to-one the levelized cost of electricity (LCOE) compared to reference without LeTID. Furthermore, it is shown that LeTID in the field can be suppressed by applying Hanwha Q CELLS' Q.ANTUM technology, independently of installation site. (C) 2017 The Authors. Published by Elsevier Ltd.

引用

页码：540 / 546

页数：7

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