ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,724,073, issued on Sept. 1, was assigned to MEGGER SWEDEN AB (Danderyd, Sweden).
"Method and device for testing protection relays" was invented by Andrea Bonetti (Vasteras, Sweden), Stefan Larsson (Sollentuna, Sweden), Peter Werelius (Solna, Sweden), Lennart Schottenius (Skarpnack, Sweden) and Gustav Ostberg (Knivsta, Sweden).
According to the abstract* released by the U.S. Patent & Trademark Office: "An analog accessory for use in a system for testing protection relays is provided, comprising inputs connectable to the current outputs of a test-set for protection relays and voltage outputs connectable to a protection relay to be tested. By providing an electric circuit adapted to con...