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Hydroelectric - Mini Hydropower, Hydroelectric Power, Turbines - Small Rivers. Streams & Lakes

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  #1  
Unread 03-06-2009, 09:11 PM
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Debby Debby is offline
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Default Small River & Stream Hydro Power

While most of us have seen large hydro power installations, does anyone know of a small application that could be used in a near by river, or stream, to generate a smaller amount of power to benefit a rural cabin?
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Unread 03-10-2009, 05:57 PM
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GRIZZbear GRIZZbear is offline
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Default Micro-Hydro Electric Power

A Micro-Hydro electric generating system is exactly what you are looking for. A turbine system that uses water from a stream or outlet from a lake or pond to supply electricity to a home is very site specific in regards where a micro-hydro turbine will work. Unless you install a propeller type turbine directly in the flowing stream or river - the normally used turbines must be installed above flood stage.

Here are a few websites on this subject: microhydropower.net and
microhydropower.com/

Potential power output of a micro-hydro turbine is calculated --> Head X Gallons Per Minute = ____ divided by 12 = ____ watts of output. There are other formulas to use - this one is easy and equates fairly close to the actual output value.

Head = feet of rise in elevation from the turbine (down stream) to the inlet pipe (up stream) feeding the turbine. This head pressure of the standing water in the pipe = pressure (stored energy)

Gallons per minute (GPM) = the amount of water available from the pipe that will supply the turbine. Head pressure + GPM = energy available for use.

Ex: 165 feet of head would equal approx. 70 to 90 pounds of pressure.
165' head X 60 GPM = 9900 divided by 12 = approx. 825 watts of available electricity.
Let's change the system to - 50' head X 200 GPM = 10,000 divided by 12 = 833 watts or 8 1/3 100 watt light bulbs operating 24/7.

Grizz
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Unread 03-11-2009, 07:43 PM
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Default Thank you for the Micro Hydro Electric Power information

Thank you very much for your input on Micro Hydro Electric Power. I appreciate your help.
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Unread 03-11-2009, 08:27 PM
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GRIZZbear GRIZZbear is offline
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Wink Micro Hydro Electric Power information

You're welcome buddy
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