ALEXANDRIA, Va., June 10 -- United States Patent no. 12,294,221, issued on May 6, was assigned to S&C Electric Co. (Chicago).
"Anti-islanding protection and non-exporting tariff support" was invented by Joseph Matamoros (Chicago).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for preventing unintentional islanding of loop networks when a distributed power source is providing power to the network when network power is lost. The method includes detecting loss of voltage to the network, opening the source side switching device in the transformers nearest both ends of the power line, and detecting that voltage has been restored to the network. Also provided are a system and method for preventing distribu...