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| − | '''To ask your question question here, use the third ''''''tab above <Edit> '''and type your question (use Format: heading 4)
| + | ''To ask your question here, use the third ''''tab above''''' <Edit> '''''and type your question (use Format: heading 4)'' |
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| − | Answer the questions here ...
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| − | <u>'''The following questions are already raised:'''</u> | + | <u>'''The following questions are already raised:'''</u> |
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| − | <br> | + | <br> |
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| | ==== What demand can a hydropower installation satisfy? ==== | | ==== What demand can a hydropower installation satisfy? ==== |
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| | *Direct drive of machinery | | *Direct drive of machinery |
| | *Electricity production for local use | | *Electricity production for local use |
| − | *Electricity feed into grid for revenue<br> | + | *Electricity feed into grid for revenue |
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| | ==== How many people can be supplied by a mhp station? ==== | | ==== How many people can be supplied by a mhp station? ==== |
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| | Energy = power * time. Energy [Watt hours (Wh)]; Power [Watt(W)]; time [hours(h)] | | Energy = power * time. Energy [Watt hours (Wh)]; Power [Watt(W)]; time [hours(h)] |
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| − | *Required power for <u>lighting</u> depends on no. and type of lamps used. Fluorescence lamps require so called blind power. It may affect the system if they the only consumers.<br> | + | *Required power for <u>lighting</u> depends on no. and type of lamps used. Fluorescence lamps require so called blind power. It may affect the system if they the only consumers. |
| | *<u>Machinery</u> needs usually several kW (often machinery's power is given in HP (metrical Horsepower) 10 HP = 7.36 kW)<br>A motors starting power can be 50% higher than its regularly stated power. There are technical possibilities to address these (soft start). | | *<u>Machinery</u> needs usually several kW (often machinery's power is given in HP (metrical Horsepower) 10 HP = 7.36 kW)<br>A motors starting power can be 50% higher than its regularly stated power. There are technical possibilities to address these (soft start). |
| | *<u>Electrical heating</u> requires very high power. Within an isolated grid, electrical heating / cooking / oven is usually not practicable. Hot water can be produced centrally from the ballast load. | | *<u>Electrical heating</u> requires very high power. Within an isolated grid, electrical heating / cooking / oven is usually not practicable. Hot water can be produced centrally from the ballast load. |
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| | *Water heater ~ 3-5 kW. | | *Water heater ~ 3-5 kW. |
| | *Electric cooler ~ 300 W | | *Electric cooler ~ 300 W |
| − | *Freezer ~ 0.5 - 1kW<br> | + | *Freezer ~ 0.5 - 1kW |
| − | *Air condition ~ 0.7 - 1 kW<br> | + | *Air condition ~ 0.7 - 1 kW |
| | *Electrical fan ~ 200 Watt. | | *Electrical fan ~ 200 Watt. |
| − | *Radio / DVD ~ 10 W / 25 W<br> | + | *Radio / DVD ~ 10 W / 25 W |
| | *TV 50 -150 W (depending on type and size | | *TV 50 -150 W (depending on type and size |
| | *Bulb (CFL) ~ 3 - 10 W; conventional bulbs ~ 25 - 40 W each | | *Bulb (CFL) ~ 3 - 10 W; conventional bulbs ~ 25 - 40 W each |
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| | *Water pump ~ 1 kW | | *Water pump ~ 1 kW |
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| − | <br> | + | <br> |
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| − | ==== What are typical difficulties in setting up mhp?<br> ==== | + | ==== What are typical difficulties in setting up mhp?<br> ==== |
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| − | *<u>financial coverage</u> of installation costs have to be covered upfront<br> | + | *<u>financial coverage</u> of installation costs have to be covered upfront |
| − | *<u>remote location</u> requires long travels for specialists<br> | + | *<u>remote location</u> requires long travels for specialists |
| | *<u>mhp equipment</u> is not available everywhere for low costs | | *<u>mhp equipment</u> is not available everywhere for low costs |
| − | *<u>specific conditions</u> require special know how<br> | + | *<u>specific conditions</u> require special know how |
| − | *<u>uncertain outcome</u> till a pre-feasibility study is done<br> | + | *<u>uncertain outcome</u> till a pre-feasibility study is done |
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| | ==== Price range of mhp installations? ==== | | ==== Price range of mhp installations? ==== |
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| | *construction supervision | | *construction supervision |
| | *installation electromechanical equipment | | *installation electromechanical equipment |
| − | *social setup<br> | + | *social setup |
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| | ==== How Long does it take to finish a mhp installation: ==== | | ==== How Long does it take to finish a mhp installation: ==== |
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| | Ideally flow measurements should be taken over several years to ensure safe data. A must is the measurement of the minimal flow during dry season. From there on a mhp plant can be installed <u>within one year</u>. Accessibility of remote location, delivery times for turbine and generator and social setup usually take longer than estimated. | | Ideally flow measurements should be taken over several years to ensure safe data. A must is the measurement of the minimal flow during dry season. From there on a mhp plant can be installed <u>within one year</u>. Accessibility of remote location, delivery times for turbine and generator and social setup usually take longer than estimated. |
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| | [[Hydro|back to hydro section]] | | [[Hydro|back to hydro section]] |
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| − | <br> | + | <br> |
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| | [[Category:Hydro]] | | [[Category:Hydro]] |
Energy = power * time. Energy [Watt hours (Wh)]; Power [Watt(W)]; time [hours(h)]
Costs depend on size of potential site. They usually range from 2000 - 5000 USD/kW
Ideally flow measurements should be taken over several years to ensure safe data. A must is the measurement of the minimal flow during dry season. From there on a mhp plant can be installed within one year. Accessibility of remote location, delivery times for turbine and generator and social setup usually take longer than estimated.
