Tianshengqiao-I Dam

The Tianshengqiao-I Dam (locally abbreviated as TSQ-I) is a concrete face rock-fill embankment dam and hydroelectric power station on the Nanpan River straddling the border between Guizhou and Guangxi, People's Republic of China, located in the counties of Anlong and Longlin. The dam is 178 m (584 ft) tall, and was completed in 1998. Water from the dam's reservoir powers four generators with Francis turbines, each with a capacity of 300 MW.[1] Water released from the dam also powers Tianshengqiao-II Dam (TSQ-II) downstream. The power is transmitted to Guangzhou via HVDC Tian-Guang and an AC powerline.

Tianshengqiao-I Dam
Location of Tianshengqiao-I Dam in China
Official nameTianshengqiao-I Hydropower Station
Coordinates24°56′29″N 105°06′25″E
Construction began1992
Opening date2000
Dam and spillways
Type of damEmbankment, concrete face rock-fill
ImpoundsNanpan River
Height178 m (584 ft)
Length1,104 m (3,622 ft)
Dam volume4,800,000 m3 (6,278,163 cu yd)
Spillway typeService chute, controlled
Reservoir
CreatesTianshengqiao-I Reservoir
Total capacity10,257,000,000 m3 (8,315,485 acre⋅ft)
Catchment area50,139 km2 (19,359 sq mi)
Surface area173.7 km2 (67 sq mi)
Power Station
Commission date1998-2000
Hydraulic head143 m (469 ft) (Gross)
Turbines4 × 300 MW Francis turbines
Installed capacity1,200 MW

See also

References

  1. "TIANSHENGQIAO-1(TSQ-I)" (PDF). Chinese National Committee on Large Dams. Retrieved 3 January 2011.


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