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  2. Okinawa Yanbaru Seawater Pumped Storage Power Station

    en.wikipedia.org/wiki/Okinawa_Yanbaru_Seawater...

    Its pipelines and pump turbine were installed underground. [2] Its maximum output was approximately 2.1% of the maximum power demand in the Okinawa Island recorded on August 3, 2009. [4] The upper reservoir, artificially excavated, was approximately 600 metres (2,000 ft) away from the shoreline and approximately 150 metres (490 ft) above sea ...

  3. Marine pump - Wikipedia

    en.wikipedia.org/wiki/Marine_pump

    The rotational energy typically comes from an engine or electric motor. The fluid enters the pump impeller along or near to the rotating axis and is accelerated by the impeller, flowing radially outward into a diffuser or volute chamber (casing), from where it exits. The gear pump is a marine gear pump that uses the meshing of gears to pump ...

  4. Pump-jet - Wikipedia

    en.wikipedia.org/wiki/Pump-jet

    A pump-jet, hydrojet, or water jet is a marine system that produces a jet of water for propulsion. The mechanical arrangement may be a ducted propeller (axial-flow pump), a centrifugal pump, or a mixed flow pump which is a combination of both centrifugal and axial designs. The design also incorporates an intake to provide water to the pump and ...

  5. Power management system - Wikipedia

    en.wikipedia.org/wiki/Power_Management_System

    The marine Power Management System PMS is a complete switchboard and generator control system to synchronize the auxiliary engines of the ships by implementing automatic load sharing and optimizing the efficiency of the power plant.

  6. Steam generator (auxiliary boiler) - Wikipedia

    en.wikipedia.org/wiki/Steam_generator_(auxiliary...

    A steam generator on a ship is an auxiliary boiler which draws high-pressure superheated steam from the vessel's propulsion system [1] to generate low pressure saturated steam. This secondary steam is then used to power auxiliary shipboard engines driving winches or pumps, or to meet any steam requirement that does not require superheating ...

  7. Development of tidal stream generators - Wikipedia

    en.wikipedia.org/wiki/Development_of_tidal...

    Their first platform, PLAT-O, was a submerged mid-water-column device, with two 50 kW Schottel SIT turbines, mounted between three buoyant hulls. It was initially tested in The Solent, before being tested at EMEC in 2016. [80] SME PLAT-I 6.4 horizontal, in-stream, floating tidal energy generator at Grand Passage site in Nova Scotia, Canada.