An Overview of Spread Spectrum Time Domain Reflectometry Responses to Photovoltaic Faults

Spread spectrum time domain reflectometry (SSTDR) is a broadband electrical reflectometry technique that has been used to detect and locate faults on live electrical systems, including photovoltaic systems. In this article, we evaluate the detectability and localizability from both existing literatu...

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Bibliographic Details
Published in:IEEE journal of photovoltaics 2020-05, Vol.10 (3), p.844-851
Main Authors: Saleh, Mashad Uddin, Deline, Chris, Benoit, Evan, Kingston, Samuel, Edun, Ayobami S., Jayakumar, Naveen Kumar Tumkur, Harley, Joel B., Furse, Cynthia, Scarpulla, Michael
Format: Article
Language:English
Subjects:
Accelerated degradation faults (ADF)
arc faults
arc faults (AF)
Broadband
bypass diode faults (BDF)
Circuit faults
connection faults (CF)
Degradation
Fault detection
Fault location
ground faults
ground faults (GF)
Impedance
open-circuit (OC) faults
photovoltaic (PV) cells
Photovoltaic cells
Photovoltaic systems
Reflectometry
Shading
shading faults
Short circuits
short-circuit (SC) faults
SOLAR ENERGY
Spread spectrum
spread spectrum time domain reflectometry
spread spectrum time domain reflectometry (SSTDR)
Time domain analysis
Underground cables
Wires
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Summary:Spread spectrum time domain reflectometry (SSTDR) is a broadband electrical reflectometry technique that has been used to detect and locate faults on live electrical systems, including photovoltaic systems. In this article, we evaluate the detectability and localizability from both existing literature and our own measurements using SSTDR of open-circuit faults, connection faults, short-circuit faults, ground faults, arc faults, shading faults, bypass diode faults, and accelerated degradation faults in PV cells and mini-modules. Reflection magnitudes for these faults are compared. Preliminary data on buried and grounded PV cable along with arc fault detection are presented.
ISSN:2156-3381
2156-3403
DOI:10.1109/JPHOTOV.2020.2972356