|Location||Heping, Taichung, Taiwan|
|Dam and spillways|
|Total capacity||590,000 m3|
|Turbines||1 X 105 MW, 4 X 22.5 MW|
|Installed capacity||195 MW|
|Annual generation||557 GWh|
Tienlun Dam (Chinese :天輪壩; pinyin :Tiānlún Bà) is a concrete gravity dam on the Dajia River in Heping District, Taichung, Taiwan. Built from 1952 to 1956, the dam is the fourth in a cascade of hydroelectric dams along the Dajia River, located upstream from the Ma'an Dam and downstream of the Kukuan Dam.
Chinese is a group of related, but in many cases not mutually intelligible, language varieties, forming the Sinitic branch of the Sino-Tibetan language family. Chinese is spoken by the Han majority and many minority ethnic groups in China. About 1.2 billion people speak some form of Chinese as their first language.
Hanyu Pinyin, often abbreviated to pinyin, is the official romanization system for Standard Chinese in mainland China and to some extent in Taiwan. It is often used to teach Standard Mandarin Chinese, which is normally written using Chinese characters. The system includes four diacritics denoting tones. Pinyin without tone marks is used to spell Chinese names and words in languages written with the Latin alphabet, and also in certain computer input methods to enter Chinese characters.
A gravity dam is a dam constructed from concrete or stone masonry and designed to hold back water by primarily using the weight of the material alone to resist the horizontal pressure of water pushing against it. Gravity dams are designed so that each section of the dam is stable, independent of any other dam section.
The dam is 48.2 m (158 ft) high and 91 m (299 ft) long, with a storage capacity of 590,000 m3 (480 acre⋅ft) of water. It supplies water to a power station consisting of one 105 megawatt (MW) turbine and four 22.5 MW turbines for a capacity of 195 MW, generating 557 million kilowatt hours per year.
The kilowatt hour is a unit of energy equal to 3.6 megajoules. If energy is transmitted or used at a constant rate (power) over a period of time, the total energy in kilowatt hours is equal to the power in kilowatts multiplied by the time in hours. The kilowatt hour is commonly used as a billing unit for energy delivered to consumers by electric utilities.
The electricity sector in Taiwan ranges from generation, transmission, distribution and sales of electricity, covering Taiwan island and its offshore islands.
Dajia River is a river in north-central Taiwan. It flows through Taichung City for 124 km. The sources of the Dajia are: Hsuehshan and Nanhu Mountain in the Central Mountain Range. The Dajia River flows through the Taichung City districts of Heping, Xinshe, Dongshi, Shigang, Fengyuan, Houli, Shengang, Waipu, Dajia, Qingshui, and Da'an before emptying into the Taiwan Strait.
The Tianshengqiao-II Dam is a dam and hydroelectric power station on the Nanpan River in the Anlong and Longlin districts in China. Construction of the dam and power plant began in 1982 and was complete in 1997.
The Shuangjiangkou Dam(Chinese: 双江口大坝/双江口水电站), also referred to as Shuang Jiang Kou(Chinese: 双江口), is an embankment dam currently being constructed on the Dadu River in Sichuan Province, China. When completed, the 312 metres (1,024 ft) tall dam will be the tallest dam in the world. Preliminary construction began in 2008 and the entire project is expected to be complete in 2018. By April 2011, over 200,000,000 m3 (261,590,124 cu yd) of material had been excavated from the construction site. In March 2013 the China's Ministry of Environmental Protection approved construction on the dam's superstructure and associated facilities. The government acknowledged that the dam would have negative impacts on the environment but that developers were working to mitigate them. The dam is being built by the Guodian Group at a cost of US$4.02 billion. The entire construction period is expected to last 10 years.
The Longyangxia Dam is a concrete arch-gravity dam at the entrance of the Longyangxia canyon on the Yellow River in Gonghe County, Qinghai Province, China. The dam is 178 metres (584 ft) tall and was built for the purposes of hydroelectric power generation, irrigation, ice control and flood control. The dam supports a 1,280 MW power station with 4 x 320 MW generators that can operate at a maximum capacity of 1400 MW. Controlling ice, the dam controls downstream releases to reservoirs lower in the river, allowing them to generate more power instead of mitigating ice. Water in the dam's 24.7 billion m3 reservoir provides irrigation water for up to 1,000,000 hectares of land.
The Yantan Dam is a gravity dam on the Hongshui River near Dahua County, Guangxi China. The main purpose of the dam is hydroelectric power production and it has an associated 1,210 MW power station consisting of 4 x 302.5 MW Francis turbine-generators.
The Wanjiazhai Dam is a gravity dam on the Yellow River on the border of Pianguan County, Shaanxi Province and Inner Mongolia Autonomous Region, China. The main purpose of the dam is water supply for the Wanjiazhai Water Control Project along with peak hydroelectric power generation. Construction on the dam began in 1994, the first generator went online in 1998 and the last in 2000.
Techi Dam is a concrete thin arch dam on the Dajia River in Heping District, Taichung, Taiwan. Forming the 454 ha (1,120-acre) Techi Reservoir, the dam is built in the Tachien Gorge in Heping District, providing hydroelectric power, irrigation water, and some flood control, and is operated by the Taiwan Power Company. At 180 m (590 ft), it is the highest dam in Taiwan and one of the tallest dams in the world. The dam was completed in 1974 after five years of construction.
The Jinping-I Dam also known as the Jinping-I Hydropower Station or Jinping 1st Cascade, is a tall arch dam on the Jinping Bend of the Yalong River in Liangshan, Sichuan, China. Construction on the project began in 2005 and was completed in 2014. Its power station has a 3,600 MW capacity to produce between 16 and 18 TW·h annually. Supplying the power station is a reservoir created by the 305-meter-tall arch dam, the tallest in the world. The project's objective is to supply energy for expanding industrialization and urbanization, improve flood protection, and prevent erosion.
The Ichari Dam is a concrete gravity dam on the Tons River 13 km (8 mi) north of Dakpathar in Uttarakhand, India. The primary purpose of the dam is hydroelectric power production and it is a run-of-the-river-type. It was completed in 1972. The dam diverts water to the Chibro Power Station which is then returned to the Tons River before being fed to the Khodri Power Station.
The Okutadami Dam (奥只見ダム) is a concrete gravity dam on the Tadami River, 26 km (16 mi) east of Uonuma on the border of Niigata and Fukushima Prefectures, Japan. The primary purpose of the dam is hydroelectric power generation and it supports a 560 MW power station which is the largest conventional hydroelectric power station in Japan. The dam also forms the second largest reservoir in Japan, next to that of the Tokuyama Dam.
The Panjiakou Dam is a concrete gravity dam on the Luan River in Qianxi County, Hebei Province, China. The primary purpose of the dam is to provide water for the cities of Tianjin and Tangshan, located to the south. The dam also provides flood control and its power plant has an installed capacity of 420 MW which includes a 270 MW pumped storage power station.
The Suofengying Dam is a concrete gravity dam on the Wu River, 44 km (27 mi) northwest of Guiyang in Guizhou Province, China. It is located 35.5 km (22 mi) downstream of the Dongfeng Dam and 74.9 km (47 mi) upstream of the Wujiangdu Dam. The primary purpose of the dam is hydroelectric power generation and it supports a 600 MW power station. Construction on the dam began on 26 July 2002 and on December 18 of that year, the river was diverted. Pouring of roller-compacted concrete into the dam's body began on 14 January 2004 and in June, the dam began to impound its reservoir. On 18 August, the first generator was operational and the last two in 2005. The 121.8 m (400 ft) tall dam creates a reservoir with a capacity of 201,200,000 m3 (163,115 acre⋅ft). The dam's power station is located on its right bank and contains three 200 MW Francis turbine-generators.
Kukuan Dam is a concrete thin arch dam on the Dajia River in Heping District, Taichung, Taiwan. The dam serves for hydroelectric power generation and flood control, and is the third in a cascade of hydroelectric dams on the Dajia River, being located below the Techi and Qingshan dams and upstream from the Tienlun Dam. The dam supplies water to a power station consisting of four 45 megawatt (MW) turbines for a total capacity of 180 MW, generating 507 million kilowatt hours per year.
The Ma'an Dam is a concrete gravity barrage dam on the Dajia River in Heping District, Taichung, Taiwan. The dam is the final stage in a cascade of hydroelectric power plants along the Dajia River and is located below the Tienlun Dam.
Qingshan Dam (Chinese: 青山壩; Hanyu Pinyin: Qīngshān Bà; Tongyong Pinyin: Cingshan Bà; Wade–Giles: Ch'ing1-shan1 Pa4) is a concrete gravity forebay dam on the Dajia River in Heping District, Taichung, Taiwan. The dam is the second in a cascade of hydroelectric power plants along the Dajia River, and is located directly below the Techi Dam and upstream of the Kukuan Dam. The dam was built between 1964 and 1970 and stands 45 m (148 ft) high and 100 m (330 ft) long, storing up to 600,000 m3 (490 acre⋅ft) in its reservoir.
Shihgang Dam is a concrete gravity barrage dam across the Dajia River in Shigang District and Dongshi District of Taichung, Taiwan, located near Fengyuan District. The dam was built from 1974 to 1977 for flood control and irrigation purposes, and stands 35.2 m (115 ft) high and 357 m (1,171 ft) long, holding a reservoir with an original capacity of 3,380,000 m3 (2,740 acre⋅ft).
Wujie Dam is a concrete gravity dam on the Zhuoshui River in Ren'ai Township, Nantou County, Taiwan. The dam was built in two stages, from 1919–1922 and 1927–1934, and serves primarily to divert water from the Zhuoshui River to a storage reservoir at Sun Moon Lake and its associated hydroelectric projects. During the Japanese occupation of Taiwan it was known as Bukai Dam.
The Bihai Power Plant is a hydroelectric power plant in Xiulin Township, Hualien County, Taiwan.
The Lubuge Dam is a rock-fill embankment dam on the Huangni River, a tributary of the Nanpan River, located near Lubugexiang in Luoping County on the border of Guizhou and Yunnan Provinces, China. The primary purpose of the dam is hydroelectric power generation and it supports a 600 MW power station. Construction on the project began in 1982 and it was completed in 1991. Funded by the World Bank, it was the first loan offered by the bank to China's power sector.
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A geographic coordinate system is a coordinate system that enables every location on Earth to be specified by a set of numbers, letters or symbols. The coordinates are often chosen such that one of the numbers represents a vertical position and two or three of the numbers represent a horizontal position; alternatively, a geographic position may be expressed in a combined three-dimensional Cartesian vector. A common choice of coordinates is latitude, longitude and elevation. To specify a location on a plane requires a map projection.
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