Detection of arcing location on photovoltaic systems using filters

Patent Number: 9,897,642
Issued: 2/20/2018
Official Filing: View the Complete Patent
Abstract: The present invention relates to photovoltaic systems capable of identifying the location of an arc-fault. In particular, such systems include a unique filter connected to each photovoltaic (PV) string, thereby providing a unique filtered noise profile associated with a particular PV string. Also described herein are methods for identifying and isolating such arc-faults.
Filed: 3/10/2015
Application Number: 14/643,032
Government Interests: STATEMENT OF GOVERNMENT INTEREST This invention was made with Government support under Contract No. DE-NA0003525 awarded by the United States Department of Energy/National Nuclear Security Administration. The Government has certain rights in the invention.