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| | == Pocket Hydro - A Mini Power Plant for Decentralized Electric Power == | | == Pocket Hydro - A Mini Power Plant for Decentralized Electric Power == |
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| | | style="width: 316px" | | | | style="width: 316px" | |
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| | == Concept == | | == Concept == |
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| | | style="width: 419px" | A hand-wide stream suffices as source of energy for lighting and small appliances. The cost of turbine and generator are lower than for solar cells, also no battery is required. Installation and operation are simple, so the equipment can be sold "over the counter". | | | style="width: 419px" | A hand-wide stream suffices as source of energy for lighting and small appliances. The cost of turbine and generator are lower than for solar cells, also no battery is required. Installation and operation are simple, so the equipment can be sold "over the counter". |
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| | === Key Data === | | === Key Data === |
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| − | • Prerequisite is access to a stream with ~ 1 liter / second; at a slope of <2 m
| + | *Prerequisite is access to a stream with ~ 1 liter / second; at a slope of <2 m |
| − | | + | *Current output sufices el. lighting, cell phone , radio [4 - 10 W] |
| − | • Current output sufices el. lighting, cell phone , radio [4 - 10 W]<br/>Optional upgrade with battery powers a TV [100-250 Wh / day]<br/>
| + | *Optional upgrade with battery powers a TV [100-250 Wh / day]<br/> |
| − | | + | *Complete selling price including lamps : USD 50 (targeted) |
| − | • Complete selling price including lamps : USD 50 (targeted)<br/>Lifetime > 5 years ⇒ lighting costs / household <1 USD / month<br/>
| + | *Lifetime > 5 years ⇒ lighting costs / household <1 USD / month<br/> |
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| | <br/> | | <br/> |
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| | === Affordability (<50 USD):<br/> === | | === Affordability (<50 USD):<br/> === |
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| − | • Long service life of turbine, generator and LED lamps
| + | *Long service life of turbine, generator and LED lamps |
| − | | + | *Reduced cable length from the turbine to the house |
| − | • Reduced cable length from the turbine to the house
| + | *Basic supply without battery (hardly any wear / environmental impact) |
| − | | + | *Minimized manufacturing costs by use of injection molded plastics<br/> |
| − | • Basic supply without battery (hardly any wear / environmental impact)
| + | |
| − | | + | |
| − | • Minimized manufacturing costs by use of injection molded plastics<br/>
| + | |
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| | <br/> | | <br/> |
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| | === "Over the Counter" Product<br/> === | | === "Over the Counter" Product<br/> === |
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| − | easy and understandable, suitable for use in remote regions:<br/>
| + | Easy and understandable, suitable for use in remote regions:<br/> |
| − | | + | *Private operation, so no user associations required |
| − | • Private operation, so no user associations required
| + | *Non-hazardous voltages - safe handling by laymen |
| − | | + | *Robust , simple, portable, modular (repairable, upgradeable) |
| − | • Non-hazardous voltages - safe handling by laymen
| + | *Simple water-supply, -management and -filtering due to the small amounts required<br/> |
| − | | + | |
| − | • Robust , simple, portable, modular (repairable, upgradeable)
| + | |
| − | | + | |
| − | • Simple water-supply, -management and -filtering due to the small amounts required<br/>
| + | |
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| | <br/> | | <br/> |
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| | === Adapted to Local Needs<br/> === | | === Adapted to Local Needs<br/> === |
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| − | • Minimized requirements allow the utilisation of even small potentials;<br/>1 l/s at 2 meters is quite often available
| + | *Minimized requirements allow the utilisation of even small potentials; 1 l/s at 2 meters is quite often available |
| − | | + | *The diversion of water to the house saves connection cable |
| − | • The diversion of water to the house saves connection cable
| + | *Easy installation and operation allow the direct sales |
| − | | + | |
| − | • Easy installation and operation allow the direct sales
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| | <br/> | | <br/> |
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| | Completion of a prototype by mid-2014 , with the following characteristics:<br/> | | Completion of a prototype by mid-2014 , with the following characteristics:<br/> |
| − | | + | *Minimum of 50 % efficiency (total) in 0,5 - 1 l / s of water @ 2 m<br/> |
| − | • Minimum of 50 % efficiency (total) in 0,5 - 1 l / s of water @ 2 m<br/>
| + | *Design of complete system includes lights, cables , switches , pipes, filters , ...<br/> |
| − | | + | *Field tests of the first small series from 2015<br/> |
| − | • Design of complete system includes lights, cables , switches , pipes, filters , ...<br/>
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| − | | + | |
| − | • Field tests of the first small series from 2015<br/>
| + | |
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| | <br/> | | <br/> |
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| | <br/> | | <br/> |
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| | + | [[Category:PicoPV]] |
| | + | [[Category:Off-grid]] |
| | + | [[Category:Lighting]] |
| | + | [[Category:Micro-Hydro/Pico-Hydro]] |
| | + | [[Category:Financing_Hydropower]] |
| | + | [[Category:Energy_Use]] |
| | [[Category:Energy_Access]] | | [[Category:Energy_Access]] |
| − | [[Category:Energy_Use]]
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| − | [[Category:Financing_Hydropower]]
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| − | [[Category:Micro-Hydro/Pico-Hydro]]
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| − | [[Category:Lighting]]
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| − | [[Category:Off-grid]]
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| − | [[Category:PicoPV]]
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