Energy generation through renewable energy sources

YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS Y02Climate change prevention Y02EREDUCTION OF GREENHOUSE GASES [GHG] EMISSION, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION

Y02E10/00Energy generation through renewable energy sources

Y02E10/10Geothermal energy Y02E10/12Earth coil heat exchangers Y02E10/125Compact tube assemblies Y02E10/14Systems injecting medium directly into ground Y02E10/16Systems injecting medium into a closed well Y02E10/18Systems exchanging heat with fluids in pipes Y02E10/20Hydro energy Y02E10/22Conventional Y02E10/223Turbines or waterwheels Y02E10/226Other parts or details Y02E10/28Tidal stream or damless hydropower Y02E10/30Energy from sea Y02E10/32Oscillating water column [OWC] Y02E10/34Ocean thermal energy conversion [OTEC] Y02E10/36Salinity gradient Y02E10/38Wave energy or tidal swell Y02E10/40Solar thermal energy Y02E10/41Tower concentrators Y02E10/42Dish collectors Y02E10/43Fresnel lenses Y02E10/44Heat exchange systems Y02E10/45Trough concentrators Y02E10/46Conversion of thermal power into mechanical power Y02E10/465Thermal updraft Y02E10/47Mountings or tracking Y02E10/50Photovoltaic [PV] energy Y02E10/52PV systems with concentrators Y02E10/54Material technologies Y02E10/541CuInSe2 material PV cells Y02E10/542Dye sensitized solar cells Y02E10/543Solar cells from Group II-VI materials Y02E10/544Solar cells from Group III-V materials Y02E10/545Microcrystalline silicon PV cells Y02E10/546Polycrystalline silicon PV cells Y02E10/547Monocrystalline silicon PV cells Y02E10/548Amorphous silicon PV cells Y02E10/549organic PV cells Y02E10/56Power conversion electric or electronic aspects Y02E10/563for grid-connected applications Y02E10/566concerning power management inside the plant Y02E10/58Maximum power point tracking [MPPT] systems Y02E10/60Thermal-PV hybrids Y02E10/70Wind energy Y02E10/72Wind turbines with rotation axis in wind direction Y02E10/721Blades or rotors Y02E10/722Components or gearbox Y02E10/723Control of turbines Y02E10/725Generator or configuration Y02E10/726Nacelles Y02E10/727Offshore towers Y02E10/728Onshore towers Y02E10/74Wind turbines with rotation axis perpendicular to the wind direction Y02E10/76Power conversion electric or electronic aspects Y02E10/763for grid-connected applications Y02E10/766concerning power management inside the plant