DC
DC

Significant advances in high-voltage direct current (HVDC) transmission are in step with rapid changes to energy systems worldwide. Shortly after POWER magazine began publication in 1882, the competitive technology battle…

ABB transformers and other key equipment to enable Changji-Guquan link to transmit 12,000 megawatts of electricity over 3,000 kilometers at 1.1 million volts, setting new world records on voltage level,…