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Detection and Localization of Disconnections in a Large-Scale String of Photovoltaics Using SSTDR
IEEE Journal of Photovoltaics ( IF 3 ) Pub Date : 2021-06-02 , DOI: 10.1109/jphotov.2021.3081437
Ayobami Edun , Samuel Kingston , Cody LaFlamme , Evan Benoit , Michael Scarpulla , Cynthia Furse , Joel Harley

In this article, we explore the possibility of using spread spectrum time domain reflectometry (SSTDR) for detecting disconnections in a large-scale photovoltaic (PV) array. We discuss the importance, role, and trade-offs of SSTDR resolution, frequency, and attenuation in detecting disconnects in the system. Our results show that if the proper system parameters are chosen, disconnections can be detected in a 1-kV system consisting of twenty-six 60-cell PV panels and located within 1.52 m for the first 22 modules.

中文翻译:

使用 SSTDR 检测和定位大规模光伏组串中的断线

在本文中,我们探讨了使用扩频时域反射计 (SSTDR) 检测大型光伏 (PV) 阵列中的断线的可能性。我们讨论了 SSTDR 分辨率、频率和衰减在检测系统断开连接方面的重要性、作用和权衡。我们的结果表明,如果选择了正确的系统参数,则可以在由 26 个 60 片光伏电池板组成的 1 kV 系统中检测到断线,并且前 22 个模块位于 1.52 m 以内。
更新日期:2021-06-22
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