750 kV power transmission line, part of the second Xinjiang–Northwest main grid interconnection corridor, crossing the Qaidam (Chaidamu) Basin. (Photo/Xinhua) Xining -- How long does it take to transmit electricity generated in northwest China's plateau province of Qinghai to the central Chinese province of Henan over 1,500 km away? According to Li Hongfeng, it just takes five milliseconds -- 0.005 seconds. "The volume of electricity transmitted…
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