The first single-wave 400G ultra-long distance transmission link in the field of electricity

On May 15th, it was learned from State Grid Xinjiang Electric Power Company Limited that the company, together with State Grid Economic and Technological Research Institute Limited Company, China Electric Power Research Institute Limited Company, and other units, successfully completed the construction of the first single-wavelength 400G wavelength division system ultra-long distance non-relay transmission link in the domestic power field on the 750 kV Bazhou-Robosho cable line, achieving stable operation over a transmission distance of 355 kilometers. This marks an important step in the evolution of the power communication network towards ultra-large capacity, ultra-high speed, and ultra-long distance integration.