Applied Electrical Metrology Group

AC-DC Difference—The NIST ac-dc Difference Project provides U.S. industry with the essential link between ac and the corresponding dc electrical standards via a world-class calibration service, and through …

Electric Power Metrology and the Smart Grid—Our country's way of life depends on the electric power distribution system. Keeping the national electric grid in good working order -- and ensuring power is measured accurately and billed …