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Yingzidu Dam

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Dam in Pingba County, Guizhou Province
Yingzidu
Yingzidu Dam is located in ChinaYingzidu DamLocation of Yingzidu in China
CountryChina
LocationPingba County, Guizhou Province
Coordinates26°35′03″N 106°8′17″E / 26.58417°N 106.13806°E / 26.58417; 106.13806
PurposePower, flood control
StatusOperational
Construction began2000
Opening date2003; 21 years ago (2003)
Dam and spillways
Type of damEmbankment, concrete-face rock-fill
ImpoundsSancha River
Height134.5 m (441 ft)
Length276 m (906 ft)
Elevation at crest1,092.5 m (3,584 ft)
Width (crest)10.6 m (35 ft)
Spillway typeControlled chute
Spillway capacity8,386 m/s (296,100 cu ft/s)
Reservoir
Total capacity455,000,000 m (369,000 acre⋅ft)
Catchment area6,422 km (2,480 sq mi)
Surface area13.88 km (5.36 sq mi)
Normal elevation1,086 m (3,563 ft)
Yingzidu Hydropower Station
Commission date2003-2004
TypeConventional
Turbines3 x 120 MW Francis-type
Installed capacity360 MW

The Yingzidu Dam is a concrete-face rock-fill dam on the Sancha River, a tributary of the Wu River, in Pingba County of Guizhou Province, China. The purpose of the dam is hydroelectric power production and flood control. It supports a 360 MW power station located just downstream. At a normal elevation of 1,086 m (3,563 ft) the reservoir withholds 455,000,000 m (369,000 acre⋅ft) but it can hold up to 531,000,000 m (430,000 acre⋅ft) in the event of a flood. The spillway on the dam can also discharge up to 8,386 m/s (296,100 cu ft/s) of water. Construction on the dam began on 8 November 2000 and on 10 April 2003 it began to impound its reservoir. On 22 May of the same year the first generator was commissioned, the second in August. By June 2004, the project was complete.

See also

References

  1. "Hydropower Station in Guizhou primer (贵州引子渡水电站)" (in Chinese). Net East. 22 February 2007. Retrieved 16 June 2014.
  2. "Yingzhidu Station (引子渡水电站)" (in Chinese). National Energy Board Dam Safety Supervision Center. Retrieved 2 July 2014.
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