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Mica Dam
Mica Dam is a hydroelectric embankment dam spanning the Columbia River 135 kilometres north of Revelstoke, British Columbia, Canada. It was built as one of three Canadian projects under the terms of the 1964 Columbia River Treaty and is operated by BC Hydro. Completed in 1973, the Mica powerhouse had an original generating capacity of 1,805 megawatts (MW). Mica Dam, named after the nearby settlement of Mica Creek and its associated stream, in turn named after the abundance of mica minerals in the area, is one of the largest earthfill dams in the world. The reservoir created by the dam is Kinbasket Lake. Water from the dam flows south directly into Revelstoke Lake, the reservoir for the Revelstoke Dam. Mica Dam is the tallest dam in Canada and second tallest in North America after the Chicoasén Dam in Mexico and it is the farthest upstream dam on the Columbia River. The dam's underground powerhouse was the second largest in the world at the time of its construction, and was the fir ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Columbia River
The Columbia River (Upper Chinook: ' or '; Sahaptin: ''Nch’i-Wàna'' or ''Nchi wana''; Sinixt dialect'' '') is the largest river in the Pacific Northwest region of North America. The river rises in the Rocky Mountains of British Columbia, Canada. It flows northwest and then south into the U.S. state of Washington, then turns west to form most of the border between Washington and the state of Oregon before emptying into the Pacific Ocean. The river is long, and its largest tributary is the Snake River. Its drainage basin is roughly the size of France and extends into seven US states and a Canadian province. The fourth-largest river in the United States by volume, the Columbia has the greatest flow of any North American river entering the Pacific. The Columbia has the 36th greatest discharge of any river in the world. The Columbia and its tributaries have been central to the region's culture and economy for thousands of years. They have been used for transportation since a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Revelstoke Lake
Lake Revelstoke or Revelstoke Lake or Revelstoke Lake Reservoir is an artificial lake on the Columbia River, north of the town of Revelstoke, British Columbia and south of Mica Creek. This lake is the reservoir formed by the Revelstoke Dam, which during its construction was also known as the Revelstoke Canyon Dam, inundating the Columbia's canyon in this area and the historic Dalles des Morts (Death Rapids) and some of the former gold diggings of the Big Bend Gold Rush. The dam's site is at what had been the head of river navigation by steamboat from Northport, Washington via the Arrow Lakes. The lakes extends upstream to the tailrace of Mica Dam Mica Dam is a hydroelectric embankment dam spanning the Columbia River 135 kilometres north of Revelstoke, British Columbia, Canada. It was built as one of three Canadian projects under the terms of the 1964 Columbia River Treaty and is operate .... Three-quarters of the flow through the Revelstoke Dam Powerhouse is regulated wa ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Power Station
A power station, also referred to as a power plant and sometimes generating station or generating plant, is an industrial facility for the generation of electric power. Power stations are generally connected to an electrical grid. Many power stations contain one or more generators, a rotating machine that converts mechanical power into three-phase electric power. The relative motion between a magnetic field and a conductor creates an electric current. The energy source harnessed to turn the generator varies widely. Most power stations in the world burn fossil fuels such as coal, oil, and natural gas to generate electricity. Low-carbon power sources include nuclear power, and an increasing use of renewables such as solar, wind, geothermal, and hydroelectric. History In early 1871 Belgian inventor Zénobe Gramme invented a generator powerful enough to produce power on a commercial scale for industry. In 1878, a hydroelectric power station was designed and built b ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mica Dam Spillway
Micas ( ) are a group of silicate minerals whose outstanding physical characteristic is that individual mica crystals can easily be split into extremely thin elastic plates. This characteristic is described as perfect basal cleavage. Mica is common in igneous and metamorphic rock and is occasionally found as small flakes in sedimentary rock. It is particularly prominent in many granites, pegmatites, and schists, and "books" (large individual crystals) of mica several feet across have been found in some pegmatites. Micas are used in products such as drywalls, paints, fillers, especially in parts for automobiles, roofing and shingles, as well as in electronics. The mineral is used in cosmetics and food to add "shimmer" or "frost." Properties and structure The mica group is composed of 37 phyllosilicate minerals. All crystallize in the monoclinic system, with a tendency towards pseudohexagonal crystals, and are similar in structure but vary in chemical composition. Micas are ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mica Creek, British Columbia
Mica Creek is a small village in British Columbia, Canada that was used as a base of operations for the construction of the Mica Dam hydroelectric project by BC Hydro in the 1960s and 1970s. It is located 148 km north of Revelstoke, British Columbia on Highway 23 and situated at the convergence of the Revelstoke Lake (the Columbia River) and a stream called Mica Creek. The village is effectively a relocation of Mica, which had been at the confluence of the Columbia and Mica Creek proper. The creek itself was named for the flakes of mica minerals which could be found floating in its waters. The Mica Creek area was one of the foci of the Big Bend Gold Rush of the 1860s. The village of Mica Creek reached its peak population of approximately 4000 people around 1973, at the time of the opening of the Mica Dam. At that time there were quite a number of amenities including a school, church, ski lodge, community center, outdoor swimming pool, police station, fire hall, grocery s ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Arrow Dam
Hugh Keenleyside Dam (formerly known as the High Arrow Dam) is a flood control dam spanning the Columbia River, 12 km (6.5 miles) upstream of the city of Castlegar, British Columbia, Canada. Dam The dam is at the outflow of what was the upper and lower Arrow Lakes; today the two lakes are joined forming one long reservoir extending north to Revelstoke Dam, and contains 8.76 km3 (7.1 MAF) of reservoir volume. The dam is operated by BC Hydro. The long earth fill and concrete dam was built as part of fulfilling Canada's obligations under the Columbia River Treaty, along with the Duncan Dam, both were built to prevent flooding and control the flow of water in the Columbia River for downstream hydroelectric dams. It was commissioned on October 10, 1968, six months ahead of schedule. Immediately downstream of the dam a 185 megawatt (MW) hydroelectric powerhouse, the Arrow Lakes Generating Station, began construction in 1999 and was completed in 2002. The station is owne ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Duncan Dam
Duncan Dam is a dam spanning the Duncan River in the Canadian province of British Columbia. Duncan Dam was the first dam built to satisfy the Columbia River Treaty, initiated after the 1948 flood along the lower Columbia, which proved fatal at Vanport City, Oregon and other locations. Construction began in 1965 and was completed in 1967. It is an earthfill dam with no power generation facilities. It was built as a storage facility, controlling the flow of water from the Duncan River into the Kootenay Lake reservoir. The reservoir's storage is over 50% greater than Kootenay Lake. The reservoir is usually filled by August. The Duncan river drainage basin is 2,400 square kilometers. The dam regulates 10% of the water in the Kootenay River basin. Duncan Dam and Libby Dam together ensure operational water levels for the Kootenay Canal and Corra Linn Dam Corra Linn Dam is a concrete hydroelectric dam on the Kootenay River between the cities of Castlegar and Nelson, in the West Ko ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Switchgear
In an electric power system, a switchgear is composed of electrical disconnect switches, fuses or circuit breakers used to control, protect and isolate electrical equipment. Switchgear is used both to de-energize equipment to allow work to be done and to clear faults downstream. This type of equipment is directly linked to the reliability of the electricity supply. The earliest central power stations used simple open knife switches, mounted on insulating panels of marble or asbestos. Power levels and voltages rapidly escalated, making opening manually operated switches too dangerous for anything other than isolation of a de-energized circuit. Oil-filled switchgear equipment allows arc energy to be contained and safely controlled. By the early 20th century, a switchgear line-up would be a metal-enclosed structure with electrically operated switching elements using oil circuit breakers. Today, oil-filled equipment has largely been replaced by air-blast, vacuum, or SF6 equipmen ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sulphur Hexafluoride
Sulfur hexafluoride or sulphur hexafluoride (British spelling) is an inorganic compound with the formula SF6. It is a colorless, odorless, non-flammable, and non-toxic gas. has an octahedral geometry, consisting of six fluorine atoms attached to a central sulfur atom. It is a hypervalent molecule. Typical for a nonpolar gas, is poorly soluble in water but quite soluble in nonpolar organic solvents. It has a density of 6.12 g/L at sea level conditions, considerably higher than the density of air (1.225 g/L). It is generally transported as a liquefied compressed gas. is 23,500 times more potent than as a greenhouse gas but exists in relatively minor concentrations in the atmosphere. Its concentration in Earth's troposphere reached 10.63 parts per trillion (ppt) in 2021, rising at 0.39 ppt/year. The increase over the prior 40 years was driven in large part by the expanding electric power sector, including fugitive emissions from banks of gas contained in its medi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
United States Army Corps Of Engineers
, colors = , anniversaries = 16 June (Organization Day) , battles = , battles_label = Wars , website = , commander1 = LTG Scott A. Spellmon , commander1_label = Chief of Engineers and Commanding General of the U.S. Army Corps of Engineers , commander2 = MGbr>Richard J. Heitkamp, commander2_label = Deputy Chief of Engineers and Deputy Commanding General , commander3 = MGKimberly M. Colloton, commander3_label = Deputy Commanding General for Military and International Operations , commander4 = MGbr>William H. Graham, commander4_label = Deputy Commanding General for Civil and Emergency Operations , commander5 = COLbr>James J. Handura, commander5_label = Chief of Staff for the U.S. Army Corps of Engi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mexico
Mexico (Spanish: México), officially the United Mexican States, is a country in the southern portion of North America. It is bordered to the north by the United States; to the south and west by the Pacific Ocean; to the southeast by Guatemala, Belize, and the Caribbean Sea; and to the east by the Gulf of Mexico. Mexico covers ,Mexico ''''. . making it the world's 13th-largest country by are ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chicoasén Dam
The Chicoasén Dam (officially known as Manuel Moreno Torres) is an embankment dam and hydroelectric power station on the Grijalva River near Chicoasén in Chiapas, Mexico. The dam's power plant, officially named for Manuel Moreno Torres, contains 5 x 300 MW, 3 x 310 MW Francis turbine-generators. Torres was Comisión Federal de Electricidad's (the dam's owner) Director General in the later 1950s. The original generators were first operational in 1980 while the 310 MW units were ordered in 2000 and operational by 2005. Since then, the hydroelectric power station is the largest in Mexico. The dam was designed in the early 1970s and constructed between 1974 and 1980 under topographical and geological constraints. It is an earth and rock fill embankment type with a height of and length of . It withholds a reservoir of and lies at the head of a catchment area In human geography, a catchment area is the area from which a location, such as a city, service or institution, attract ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
