1970IEEE 1277-2020 IEEE Standard General Requirements and Test Code for Dry-Type and Oil-Immersed Smoothing Reactors and for Dry-Type Converter Reactors for DC Power Transmission
2010IEEE 1277-2010 General requirements and test code for dry-type and oil-immersed smoothing reactors for dc power transmission
2000IEEE 1277-2000 Trial-Use Standard General Requirements and Test Code for Dry-Type and Oil-Immersed Smoothing Reactors for DC Power Transmission