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Accession Number DE2012-1046042
Title Tidal Energy System for On-Shore Power Generation. Final Technical Report.
Publication Date Jun 2012
Media Count 70p
Personal Author A. J. Bruce J. A. Jones
Abstract Addressing the urgent need to develop LCOE competitive renewable energy solutions for US energy security and to replace fossil-fuel generation with the associated benefits to environment impacts including a reduction in CO2 emissions, this Project focused on the advantages of using hydraulic energy transfer (HET) in large-scale Marine Hydrokinetic (MHK) systems for harvesting off-shore tidal energy in US waters. A recent DOE resource assessment, identifies water power resources have a potential to meet 15% of the US electric supply by 2030, with MHK technologies being a major component. The work covered a TRL-4 laboratory proof-in-concept demonstration plus modeling of a 15MW full scale system based on an approach patented by NASA-JPL, in which submerged high-ratio gearboxes and electrical generators in conventional MHK turbine systems are replaced by a submerged hydraulic radial pump coupled to on-shore hydraulic motors driving a generator. The advantages are; first, the mean-time-between-failure (MTBF), or maintenance, can be extended from approximately 1 to 5 years and second, the range of tidal flow speeds which can be efficiently harvested can be extended beyond that of a conventional submerged generator. The approach uses scalable, commercial-off-the-shelf (COTS) components, facilitating scale-up and commercialization. All the objectives of the Project have been successfully met (1) A TRL4 system was designed, constructed and tested. It simulates a tidal energy turbine, with a 2-m diameter blade in up to a 2.9 m/sec flow.
Keywords Commercialization
Energy security
Energy systems
Energy transfer
Hydraulic fluids
Manufacturers
Motors
Performance
Pistons
Power generation
Reliability
Resource assessment
Tanks
Tidal power
Tidal power plants
Torques
Turbines

 
Source Agency Technical Information Center Oak Ridge Tennessee
NTIS Subject Category 97O - Miscellaneous Energy Conversion & Storage
Corporate Author Jet Propulsion Lab., Pasadena, CA.
Document Type Technical report
Title Note N/A
NTIS Issue Number 1303
Contract Number N/A

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