本标准的范围是高压直流输电（HVDC）用干式、油浸式平滑电抗器和干式换流电抗器的功能要求和试验规范的定义和规范。本标准仅适用于直流输电的平滑电抗器和位于变流器臂上的直流输电的变流器电抗器。

The scope of this standard is the definition and specification of the functional requirements and test code for dry-type and oil-immersed smoothing reactors and dry-type converter reactors for high-voltage direct current (HVDC) power transmission. This standard only applies to smoothing reactors for dc transmission and converter reactors for dc transmission located at the converter arms.