US Patent Issued to Electronic Sazan Fan Aria on Jan. 13 for "Zero-sequence impedance measurement of coupled AC transmission lines" (Iranian Inventors)

ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,523,688, issued on Jan. 13, was assigned to Electronic Sazan Fan Aria Co. (Iran).

"Zero-sequence impedance measurement of coupled AC transmission lines" was invented by Mahdi Davarpanah (Tehran, Iran) and Hamed Morsali (Tehran, Iran).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for impedance measurement of coupled AC transmission lines. The method includes measuring a zero-sequence impedance of a three-phase transmission line that are configured to transmit electric power from a first substation of a power system to a second substation of the power system. Measuring the zero-sequence impedance includes disconnecting the three-phase transmissio...