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Kopili Hydro Electric Project is a 275 megawatts (369,000 hp), hydroelectric power project on the Kopili river and its tributary, Umrong stream. It is located in Dima Hasao district of Assam state in India. [1] The project is developed and operated by North Eastern Electric Power Corporation Limited.
The runner of the small water turbine. A water turbine is a rotary machine that converts kinetic energy and potential energy of water into mechanical work. Water turbines were developed in the 19th century and were widely used for industrial power prior to electrical grids. Now, they are mostly used for electric power generation.
The Francis turbine is a type of water turbine. It is an inward-flow reaction turbine that combines radial and axial flow concepts. Francis turbines are the most common water turbine in use today, and can achieve over 95% efficiency. [1] The process of arriving at the modern Francis runner design took from 1848 to approximately 1920. [1]
The power station is fed with water from the three jhoras (Nepalese for 'streams'): Kotwali, Hospital and Barbatia. This water is channeled through flumes constructed from black metal sheets of 1.3 mm (0.051 in, 16 gauge) thickness with masonry duct and concrete lining. The ducts are 61 cm × 61 cm (2 ft × 2 ft) in cross-section, except where ...
The turbine assembly is a five-jet configuration; the stream of each jet is 184.7 mm (7.2716535 inches) in diameter with an exit velocity of 191.5 meters/second (628.28 ft/s). The kinetic energy of each of the 5 streams i.e. 1 from each jet) is approximately 92.16 MW (Q = 5 cubic meters per second, v = 191.5 m/s, H = 1869 m).
Segner-wheel: A – water inlet, B – vertical tube with rotor, C – rotor with nozzles (side view), D – rotor with nozzles ("top" view), E – hole in the ground, F – belt-pulley transmission, G – powered device. The Segner wheel or Segner turbine is a type of water turbine invented by Johann Andreas Segner in the 18th century. [1]
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Old turbine from HPP Krka. The plant had an underwater section for turbines and an upper section for the engine room and switching station. [9] It used a single vertical Girard turbine. Despite a concession for 26 cubic meters of water per second, it was powered by 3.2 cubic meters, [9] with a 10 m drop from an open-type water chamber above the ...