power transmission
preferred label: انتقال نیرو @fa
type: Concept
narrower: DC power transmission

DC power transmission
alternative label: direct current power transmission
narrower: HVDC power transmission
broader: power transmission
preferred label: انتقال ولتاژ جریان مستقیم @fa
type: Concept

HVDC power transmission
preferred label: انتقال توان جریان متناوب فشار قوی @fa
type: Concept
broader: DC power transmission