MONITORING SYSTEM FOR AND METHOD OF PREVENTING ELECTRICAL ARCS IN A SOLAR ENERGY SYSTEM
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United States of America Patent
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app pub date -
Sep 10, 2013
filing date -
Sep 10, 2012
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Abstract
A monitoring system for and method of preventing electrical arcs in a solar energy system is disclosed. The monitoring system includes an insulation resistance (IR) monitoring device, a disconnect switch, a power supply, an indicator, and optionally a communications interface. A method of preventing electrical arcs in a solar energy system using the monitoring system may include, but is not limited to, the steps of providing and installing the monitoring system in a solar energy system; activating the solar energy system and the monitoring system; continuously monitoring the insulation resistance of a conductor; if the lower and/or upper resistance threshold of the IR monitoring device is not satisfied, then transmitting a shutdown signal to the disconnect switch, thereby turning off the power to the affected circuit, and indicating the presence of the potential fault condition.
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