Detection and Localization of Disconnections in a Large-Scale String of Photovoltaics Using SSTDR

In this paper, 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...

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Veröffentlicht in:	IEEE journal of photovoltaics 2021-06, Vol.11 (4)
Hauptverfasser:	Edun, Ayobami S., Kingston, Samuel, LaFlamme, Cody, Benoit, Evan, Scarpulla, Michael A., Furse, Cynthia M., Harley, Joel B.
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Sprache:	eng
Schlagworte:	Fault detection photovoltaics (PVs) soft faults SOLAR ENERGY spread spectrum time domain reflectometry (SSTDR) transmission lines
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container_title	IEEE journal of photovoltaics
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creator	Edun, Ayobami S. Kingston, Samuel LaFlamme, Cody Benoit, Evan Scarpulla, Michael A. Furse, Cynthia M. Harley, Joel B.
description	In this paper, 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.
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subjects	Fault detection photovoltaics (PVs) soft faults SOLAR ENERGY spread spectrum time domain reflectometry (SSTDR) transmission lines
title	Detection and Localization of Disconnections in a Large-Scale String of Photovoltaics Using SSTDR
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