Pumped-storage power plant
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United States of America Patent
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Oct 24, 2017
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N/A
app pub date -
Nov 12, 2012
filing date -
Nov 11, 2011
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Abstract
An underwater pumped storage power plant that includes: an accumulator system with pressure vessels fillable with water and; a water outlet for water flow out of the system into a surrounding ocean against hydrostatic water pressure (PT) corresponding to water depth (T); a pump at the water outlet to pump water out of the system by converting electrical energy into potential energy corresponding to a displaced water column PT; a water inlet to allow water flow into the system from the surrounding ocean; a common generator at the water inlet, to convert the potential energy back into electrical energy when water flows in; electric lines to transport the electrical energy from the ocean surface to the power plant and back, wherein the pressure vessels are pressure-resistant and resistant to deformation from the PT at the ocean floor.
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