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Inside the Robert-Bourassa generating station, in northern Quebec, the world's largest underground power station, with an installed capacity of 5,616 MW.. An underground power station is a type of hydroelectric power station constructed by excavating the major components (e.g. machine hall, penstocks, and tailrace) from rock, rather than the more common surface-based construction methods.
Bahasa Indonesia: Diagram skematik pembangkit listrik tenaga air (PLTA) English : Schematic diagram of Hydroelectric power plant Español : Recorrido del agua dentro de una central hidroeléctrica
The flow is transferred to Madi River at the tailrace. The powerhouse is semi-underground type located on the bank of the Madi River. [1] The plant is owned and developed by Butwal Power Company Limited, an IPP of Nepal in technical help from UMN. [2] The plant started generating electricity since 2052-01-25 BS.
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[5]: 222 The headrace tunnel, completed in 1980, and the access tunnel to the power station, completed in 1976, were both built by Codelfa-Cogefa. [5]: 232 After passing through Rangipō Power Station, the water flows through the 3-kilometre (1.9 mi) Rangipō Tailrace Tunnel to the Poutū Intake at Beggs Pool on the Tongariro River.
The plant's maximum output capacity is nominally 300 MW, generated by six 25 MW Pelton turbines and a 150 MW pumped storage generator added in 1997. In 2014 two 10 kW microturbine units were added to generate further power from the tailrace after the main turbines.
After power generation the water will be discharged into the lower reservoir via four tailrace tunnels. When pumping water moves through the same conduits back to the upper reservoir. The power plant will contain four Francis pump-turbines which are rated at 260 MW each for power generation and 275 MW for pumping. The upper reservoir will lie ...
It is a small hydropower plant which was set up on the left bank to utilize the tailrace water for irrigation purpose. It is a private sector hydro-electric generation power plant. The two units of 2 × 6.75 MW were set up by LNJ Bhilwara group. The generated power is supplied to HEG Plant Mandideep via MPPTCL Power Line.