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Yunnan–Guangdong HVDC

From Wikipedia, the free encyclopedia

Yunnan–Guangdong HVDC
Location
CountryChina
ProvinceYunnan, Guangdong
General directionwest-east
FromChuxiong
ToSuidong, Zengcheng
Ownership information
OwnerChina Southern Power Grid
Construction information
Manufacturer of substationsSiemens
Construction started2007
Commissioned2010
Technical information
Typeoverhead transmission line
Type of currentUltra HVDC
Total length1,418 km (881 mi)
Power rating5,000
AC voltage500 kV
DC voltage800 kV
No. of poles2

The Yunnan–Guangdong HVDC is a high-voltage direct current transmission system connecting Chuxiong in the Yunnan to Suidong, Zengcheng in Guangdong, China. It is the first HVDC link in the world operating at a transmission voltage of 800 kV.[1] The transmission line is operated by China Southern Power Grid. In 2007, the order to supply the system was awarded to Siemens Energy.[2] The first pole was put into operation in December 2009 with the second pole to follow in June 2010.[3]

The transmission system has a transmission capacity of 5,000 MW and a rated DC current of 3,125 A. It has a total length of 1,418 kilometres (881 mi).[4] It transmits electricity from the hydropower plants in the Yunnan to the Guangdong, including cities of Guangzhou and Shenzhen.[1]

Yunnan–Guangdong HVDC shares the grounding electrode together with HVDC Guizhou - Guangdong II at Linwu ( coordinates: 23°44′48″ N 113°17′09″E ).

See also

References

  1. ^ a b "World's first 800 kV HVDC link goes into operation in China". Power Engineering International. PennWell Corporation. 2009-12-30. Retrieved 2011-10-05.
  2. ^ Siemens (2007-06-11). "China to Construct High-Voltage Transmission System Between Yunnan, Guangdong". Transmission & Distribution World. Penton Media, Inc. Retrieved 2010-01-05.
  3. ^ "First 800-kV HVDC Link in China Now Fully Operational". Siemens AG. Transmission & Distribution World. June 2009. Retrieved 2010-09-02.
  4. ^ Zhang, Donghui; Haeusler, Marcus; Rao, Hong; Shang, Chun; Shang, Tao. "Converter Station Design of the ±800 kV UHVDC Project Yunnan-Guangdong" (PDF). Siemens. Retrieved 2010-01-05.

This page was last edited on 19 June 2023, at 09:58
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