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Yunfeng Dam

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Country
  
China/North Korea

Status
  
Operational

Type of dam
  
Concrete gravity

Height
  
114 m

Catchment area
  
17,572 km²

Impound
  
Yalu River

Location
  
Ji'an/Chasong

Opening date
  
1965

Impounds
  
Yalu River

Opened
  
September 1965

Construction began
  
1959

Yunfeng Dam httpsuploadwikimediaorgwikipediacommonsthu

Similar
  
Sup'ung Dam, Fengman Dam, Gravity dam

The Yunfeng Dam is a concrete gravity dam on the Yalu River which borders China and North Korea. It is located 33 km (21 mi) northeast of Ji'an in Jilin Province, China and Manpo in Chagang Province, North Korea. The primary purpose of the dam is hydroelectric power generation and it supports a 400 MW power station. Construction of the dam had initially began in August 1942 but was halted in 1945 after the surrender of Japan ending World War II. In October 1959, construction on the dam recommenced and in September 1965, the first of the four 100 MW Francis turbine-generators was operational. The last generator was operational on 4 April 1967. The 113.75 m (373 ft) tall dam creates a reservoir with a storage capacity of 3,895,000,000 m3 (3,157,728 acre·ft). The dam's spillway is an overflow type with 21 floodgates and has a maximum discharge of 21,900 m3/s (773,391 cu ft/s). The dam is located before a bend in the river and its power station is located on the other side of a ridge that meets the dam’s right abutment. Water is delivered to the power station via two tunnels, 775 m (2,543 ft) and 759 m (2,490 ft) long. Generators 1 and 3 deliver power to China while 2 and 4 deliver to North Korea.

Map of Yunfeng Dam, North Korea

References

Yunfeng Dam Wikipedia


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