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Yunnan–Guangdong HVDC

Yunnan–Guangdong HVDC
Location
Country China
Province Yunnan, Guangdong
General direction west-east
From Chuxiong
To Suidong, Zengcheng
Ownership information
Owner China Southern Power Grid
Construction information
Manufacturer of substations Siemens
Construction started 2007
Commissioned 2010
Technical information
Type overhead transmission line
Type of current Ultra HVDC
Total length 1,418 km (881 mi)
Power rating 5,000
AC Voltage 500 kV
DC Voltage 800 kV
Number of poles 2

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]

See also

References

  1. ^ a b "World's first 800 kV HVDC link goes into operation in China". Power Engineering International ( 
  2. ^  
  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).  

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