Subharmonic power line carrier based island detection systems and methods

Patent Number: 10,326,279
Issued: 6/18/2019
Official Filing: View the Complete Patent
Abstract: Systems and methods for identifying an island condition in a power distribution system and disconnecting distributed generators in the case of islanding. The systems and methods are used to enable reliable detection of island formation with high false-trip immunity, for any combination of distributed energy resources, and for distributed energy resources using grid support functions.
Filed: 7/18/2016
Application Number: 15/213,191
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.