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Slides of Nepalese Hydropower Plants
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Hydro power plantsRaghu Prajapati, nec
Raghu Prajapati, nec
Hydro power plantsTail waterDraft tube gateDraft tubeTurbineMain valvePenstockAir inletInlet gateSurge shaftTunnelSand trapTrash rackSelf closing valveRaghu Prajapati, nec
Raghu Prajapati, nec
The principle the water conduits of a traditional high head power plant Raghu Prajapati, nec
Raghu Prajapati, nec
Raghu Prajapati, nec
Raghu Prajapati, nec
Water intakeDamCoarse trash rackIntake gate Sediment settling basementRaghu Prajapati, nec
Raghu Prajapati, nec
DamsRockfill damsPilar og platedammerHvelvdammerRaghu Prajapati, nec
Raghu Prajapati, nec
Rock-fill damsCoreMoraine, crushed soft rock, concrete, asphaltFilter zoneSandy gravelTransition zoneFine blasted rockSupporting shellBlasted rockRaghu Prajapati, nec
Raghu Prajapati, nec
Slab concrete dam Raghu Prajapati, nec
Raghu Prajapati, nec
Arc damRaghu Prajapati, nec
Raghu Prajapati, nec
Gates in Hydro Power PlantsRaghu Prajapati, nec
Raghu Prajapati, nec
Types of Gates
Radial GatesWheel GatesSlide GatesFlap GatesRubber GatesRaghu Prajapati, nec
Raghu Prajapati, nec
Radial Gates at lvkarleby, SwedenRaghu Prajapati, nec
Raghu Prajapati, nec
Radial Gate The forces acting on the arc will be transferred to the bearingRaghu Prajapati, nec
Raghu Prajapati, nec
Slide GateJhimruk Power Plant, Nepal Raghu Prajapati, nec
Raghu Prajapati, nec
Flap GateRaghu Prajapati, nec
Raghu Prajapati, nec
Rubber gateReinforced rubberOpen position Flow disturbanceReinforced rubberClosed position Bracket Air inlet Raghu Prajapati, nec
Raghu Prajapati, nec
Circular gateManholeHinge Ladder RibsPipeEnd coverBolt Fastening element Frame Seal Raghu Prajapati, nec
Raghu Prajapati, nec
Circular gateJhimruk Power Plant, Nepal Raghu Prajapati, nec
Raghu Prajapati, nec
Trash RacksPanauti Power Plant, NepalRaghu Prajapati, nec
Raghu Prajapati, nec
Theun Hinboun Power PlantLaosRaghu Prajapati, nec
Raghu Prajapati, nec
GravfossPower PlantNorway
Trash Rack size:Width: 12 meterHeight: 13 meter
Stainless Steel
Raghu Prajapati, nec
Raghu Prajapati, nec
CompRack Trash Rack delivered by VA-TechRaghu Prajapati, nec
Raghu Prajapati, nec
Cleaning the trash rackRaghu Prajapati, nec
Raghu Prajapati, nec
GUP-PipeRaubergfossen Power Plant, NorwayRaghu Prajapati, nec
Raghu Prajapati, nec
Wood PipesBreivikbotn Power Plant, Norwayvre Porsa Power Plant, NorwayRaghu Prajapati, nec
Raghu Prajapati, nec
ValvesRaghu Prajapati, nec
Raghu Prajapati, nec
Principle drawings of valvesOpen positionClosed positionSpherical valveGate valveHollow-jet valveButterfly valveRaghu Prajapati, nec
Raghu Prajapati, nec
Spherical valveRaghu Prajapati, nec
Raghu Prajapati, nec
Bypass systemRaghu Prajapati, nec
Raghu Prajapati, nec
Butterfly valveRaghu Prajapati, nec
Raghu Prajapati, nec
Butterfly valveRaghu Prajapati, nec
Raghu Prajapati, nec
Butterfly valvedisk types Raghu Prajapati, nec
Raghu Prajapati, nec
Hollow-jet ValveRaghu Prajapati, nec
Raghu Prajapati, nec
Pelton turbinesLarge heads (from 100 meter to 1800 meter)Relatively small flow rate Maximum of 6 nozzlesGood efficiency over a vide rangeRaghu Prajapati, nec
Raghu Prajapati, nec
KvrnerJostedal, Norway*Q = 28,5 m3/s*H = 1130 m*P = 288 MWRaghu Prajapati, nec
Raghu Prajapati, nec
Francis turbinesHeads between 15 and 700 meter Medium Flow RatesGood efficiency =0.96 for modern machines
Raghu Prajapati, nec
Raghu Prajapati, nec
SVARTISENP = 350 MWH = 543 mQ* = 71,5 m3/SD0 = 4,86 mD1 = 4,31mD2 = 2,35 mB0 = 0,28 mn = 333 rpmRaghu Prajapati, nec
Raghu Prajapati, nec
Raghu Prajapati, nec
Raghu Prajapati, nec
Raghu Prajapati, nec
Raghu Prajapati, nec
Kaplan turbinesLow head (from 70 meter and down to 5 meter)Large flow rates The runner vanes can be governed Good efficiency over a vide rangeRaghu Prajapati, nec
Raghu Prajapati, nec
Raghu Prajapati, nec
Raghu Prajapati, nec
Francis Turbine Cross-SectionBoyle, Renewable Energy, 2nd edition, Oxford University Press, 2003Raghu Prajapati, nec
Raghu Prajapati, nec
Small Francis Turbine & Generator"Water Turbine," Wikipedia.comRaghu Prajapati, nec
Raghu Prajapati, nec
Francis Turbine Grand Coulee Dam"Water Turbine," Wikipedia.comRaghu Prajapati, nec
Raghu Prajapati, nec
Fixed-Pitch Propeller Turbine"Water Turbine," Wikipedia.comRaghu Prajapati, nec
Raghu Prajapati, nec
Kaplan Turbine Schematic"Water Turbine," Wikipedia.comRaghu Prajapati, nec
Raghu Prajapati, nec
Kaplan Turbine Cross Section"Water Turbine," Wikipedia.comRaghu Prajapati, nec
Raghu Prajapati, nec
Suspended Power, Sheeler, 1939Raghu Prajapati, nec
Raghu Prajapati, nec
Vertical Kaplan Turbine SetupBoyle, Renewable Energy, 2nd edition, Oxford University Press, 2003Raghu Prajapati, nec
Raghu Prajapati, nec
Horizontal Kaplan TurbineBoyle, Renewable Energy, 2nd edition, Oxford University Press, 2003Raghu Prajapati, nec
Raghu Prajapati, nec
Pelton Wheel TurbineBoyle, Renewable Energy, 2nd edition, Oxford University Press, 2003Raghu Prajapati, nec
Raghu Prajapati, nec
Turgo TurbineBoyle, Renewable Energy, 2nd edition, Oxford University Press, 2003Raghu Prajapati, nec
Raghu Prajapati, nec
Francis Turbine Grand CouleeRaghu Prajapati, nec
Raghu Prajapati, nec
Francis and Turgo Turbine WheelsRaghu Prajapati, nec
Raghu Prajapati, nec