ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,487,309, issued on Dec. 2, was assigned to Accuenergy (Canada) Inc. (Canada).
"Smart current transformer system" was invented by Yufan Wang (Toronto), Ketao Li (Toronto) and Liang Wang (Toronto).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a system for calibrating a current transformer, aimed at enhancing the accuracy of current measurements. The system comprises a current transformer equipped with a non-volatile memory, configured to store a unique identifying serial number. In conjunction with this, a power meter is set up to communicate with the current transformer. The power meter is fitted with a reading module desi...