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VERIFYING STATUS OF A TERMINATION END CAP OF A MICROINVERTER CHAIN

United States Patent Application

20170346293
A1
View the Complete Application at the US Patent & Trademark Office
A photovoltaic (PV) system includes a system control module that determines the presence of a microinverter chain termination end cap. The end cap includes an embedded circuit. The embedded circuit includes components having resistive, reactive, or impedance values. A signal source provides a signal through the microinverter chain. A parameter for a sensed signal detected by the system control module is used to determine the presence of the end cap using a change between the parameter for the sense signal and a reference parameter.
Chapman, Patrick L. (Austin, TX), Rothblum, Philip (Austin, TX)
SunPower Corporation (San Jose CA)
15/ 163,359
May 24, 2016
[0001] This invention was made with government support under DE-EE0006035 awarded by The U.S. Department of Energy. The government has certain rights in the invention.