METHOD AND APPARATUS FOR DETECTING A LOOSE ELECTRICAL CONNECTION IN A PHOTOVOLTAIC SYSTEM

METHOD AND APPARATUS FOR DETECTING A LOOSE ELECTRICAL CONNECTION IN A PHOTOVOLTAIC SYSTEM

A power circuit configured to generate and distribute DC electrical power, the power circuit includes a photovoltaic (PV) system that includes an array of PV modules electrically coupled to a combiner box, and an inverter positioned to receive DC electrical power from the array of PV modules and out...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: ZHOU, XIN, LUEBKE, CHARLES JOHN, SHEA, JOHN J, PAHL, BIRGER, PIER, B. THOMAS
Format: Patent
Sprache:eng ; fre
Schlagworte:
MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
TESTING
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Beschreibung
Zusammenfassung:A power circuit configured to generate and distribute DC electrical power, the power circuit includes a photovoltaic (PV) system that includes an array of PV modules electrically coupled to a combiner box, and an inverter positioned to receive DC electrical power from the array of PV modules and output AC electrical power. The PV system also includes a signal generator coupled to a first portion of the PV system, and a signal detector coupled to a second portion of the PV system, the signal detector configured to detect secondary signals generated at a loose connection of an electrical joint in the PV system, wherein the secondary signals result from a signal generated by the signal generator.