NDLI: An Online Novel Two-Layered Photovoltaic Fault Monitoring Technique Based Upon the Thermal Signatures

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An Online Novel Two-Layered Photovoltaic Fault Monitoring Technique Based Upon the Thermal Signatures

Content Provider	MDPI
Author	Navid, Qamar Hassan, Ahmed Fardoun, Abbas Ahmad Ramzan, Rashad
Copyright Year	2020
Description	The share of photovoltaic (PV) power generation in the energy mix is increasing at a rapid pace with dramatically increasing capacity addition through utility-scale PV power plants globally. As PV plants are forecasted to be a major energy generator in the future, their reliable operation remains of primary concern due to a possibility of faults in a tremendously huge number of PV panels involved in power generation in larger plants. The precise detection of nature and the location of the faults along with a prompt remedial mechanism is deemed crucial for smoother power plant operation. The existing fault diagnostic methodologies based on thermal imaging of the panels as well as electrical parameters through inverter possess certain limitations. The current article deals with a novel fault diagnostic technique based on PV panel electrical parameters and junction temperatures that can precisely locate and categorize the faults. The proposed scheme has been tested on a 1.6 kW photovoltaic system for short circuit, open circuit, grounding, and partial shading faults. The proposed method showed improved accuracy compared to thermal imaging on panel scale fault detection, offering a possibility to adapt to the PV plant scale.
Starting Page	9607
e-ISSN	20711050
DOI	10.3390/su12229607
Journal	Sustainability
Issue Number	22
Volume Number	12
Language	English
Publisher	MDPI
Publisher Date	2020-11-18
Access Restriction	Open
Subject Keyword	Sustainability Industrial Engineering Photovoltaic System Fault Detection Fault Diagnostic Short Circuit Open Circuit Shaded Faults Ground Faults Thermal Signatures
Content Type	Text
Resource Type	Article

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