China's First UHV Pmission Line Will Double Capacity.
State Grid The company announced on 6 th that China is the first and the world's first special. High voltage pmission line Expansion will take place on the successful operation of 2nd anniversary. The total investment of the extension project is 4 billion 300 million yuan, which lasted for one year. After the expansion, the pmission capacity of the line will be doubled to 5 million kilowatts.
This 1 million volt "Shanxi Southeast Nanyang Jingmen" UHV AC pmission line, which is 640 km long from Shanxi Changzhi to Hubei Jingmen, has been put into operation since January 2009. Up to now, it has sent 20 billion 900 million kilowatt hours of electricity.
Among them, the North China thermal power sent to central China 13 billion kilowatt hours, equivalent to 4 million 200 thousand tons of alternative coal pportation; the central China Hydropower to North China 7 billion 900 million kilowatt hours, equivalent to reducing coal burning 2 million 550 thousand tons.
According to media reports, the expansion project is "
The 12th Five-Year
During the period, China's UHV power grid construction project has important demonstration significance for the following projects.
The project will expand several sets of 300 KVA pformers and series compensation devices, so that the entire line can reach more than 5 million kilowatts, and the annual pmission capacity is no less than 25 billion kwh.
It is reported that the expansion of the substation equipment, survey and design, construction, steel structure bidding has been basically completed.
From pformers, switches, arresters, capacitors, reactors and circuit breakers, the listed companies in the bid include Ping Gao electric, China Xidian and Northeast Electric.
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