Characterization of fire hazards of aged photovoltaic balance-of-systems connectors

机译：老化光伏平衡系统连接器的火灾危险的特征

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Three balance of systems (BOS) connector designs common to industry were investigated as a means of assessing reliability from the perspective of arc fault risk. These connectors were aged in field and laboratory environments and performance data captured for future development of a reliability model. Comparison of connector resistance measured during damp heat, mixed flowing gas and field exposure in a light industrial environment indicated disparities in performance across the three designs. Performance was, in part, linked to materials of construction. A procedure was developed to evaluate new and aged connectors for arc fault risk and tested for one of the designs. Those connectors exposed to mixed flowing gas corrosion exhibited considerable Joule heating that may enhance arcing behavior, suggesting temperature monitoring as a potential method for arc fault prognostics. These findings, together with further characterization of connector aging, can provide operators of photovoltaic installations the information necessary to develop a data-driven approach to BOS connector maintenance as well as opportunities for arc fault prognostics.

机译：对工业共同的系统（BOS）连接器设计的三个平衡被调查为评估弧形故障风险的角度来评估可靠性的手段。这些连接器在现场和实验室环境中老化，捕获的性能数据，以捕获可靠性模型的未来发展。在潮湿热量下测量的连接器电阻的比较，轻型工业环境中的混合流动气体和田间暴露在三种设计中表现出性能的差异。部分是部分与建筑材料相关联。开发了一种程序，以评估新的和老化连接器，用于电弧故障风险并对其中一个设计进行测试。暴露于混合流动气体腐蚀的那些连接器表现出相当大的焦耳加热，可以增强电弧行为，提示温度监测作为电弧故障预后的潜在方法。这些发现与连接器老化的进一步表征一起，可以为光伏安装的操作员提供开发数据驱动的博斯连接器维护的信息所需的信息以及电弧故障预后的机会。

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《IEEE Photovoltaic Specialists Conference》|2015年||共6页
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Schindelholz Eric; Yang Benjamin B.; Armijo Kenneth M.; McKenzie Bonnie B.; Taylor Jason M.; Sorensen N.Robert; Lavrova Olga;
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中图分类太阳能电池;
关键词
Aging; Circuit faults; Connectors; Corrosion; Degradation; Resistance; Temperature measurement; accelerated aging; connector; corrosion; electrical contact; reliability;

机译：老化;电路故障;连接器;腐蚀;降解;电阻;温度测量;加速老化;连接器;腐蚀;电接触;可靠性;可靠性;可靠性;

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Characterization of fire hazards of aged photovoltaic balance-of-systems connectors

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