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3 Moving Parts |
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No Regular Maintenance Required |
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Automatic Operation |
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30 Year Design Life |
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Electrical Output, Many Applications |
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Low Costs:
$ 1 - 3 / Watt |
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Proven:
150,000 Installed, Over a Billion Operational Hours |
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New Technology Developed in Late 1980's By USDA/
Bushland and Bergey Windpower Co., with Co-Funding from U.S. Dept. of
Energy |
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Based On 3-Phase Variable-Frequency Electrical
Transmission Between Alternator And Induction Motor. |
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60 or 50 HZ AC Motors And Pumps Operated From
25-100 Hz ...Varying Speed With the Wind Speed. |
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Inherent Power Matching: Wind Power Available is Proportional to
Pump Power Required (Both Proportional to Freq. Cubed) |
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Mostly Used For Water Supply and Irrigation. |
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Sheltered Wind Sensors
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Below Trees, Buildings, Etc.
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Roof Mounted |
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Worn Bearings, No Calibrations, Etc. |
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Power = (Velocity)3 ; So 50% Error in
Wind Speeds Means 800% Error in Available Energy |
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When m4 (Daily m3 Req’d x
Pumping Head in m) Ranges from 200 - 10,000, and |
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When Average Annual Wind Speed at 10 m is Above
4 m/s, Preferrably above 5 m/s, and |
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Where Diesel Pumps Have Not Been Sustainable, or |
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Where the Grid is More Than 2 km Away |
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1. Determine Pumping Head and Water Volume
Requirements |
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2. Assess / Determine / Estimate Wind
Resources |
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3. Use Manufacturers Performance Curves to
Bracket Design and Select Pump |
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4. Refine Design and Predictions with
Spreadsheet Models |
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5. Choose Hardware, Prepare Site Plan, and
Prepare Budget |
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6. Find Money |
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7. Issue Bid & Select Contractor |
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8. Install System and Commission |
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9. Train “Operators” and Users |
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Bergey Windpower Co., Norman, OK, T:
405-364-4212 |
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American Wind Energy Association, Washington,
DC, T: 202-383-2500 |
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National Wind Technology Center, U.S. Dept. of
Energy, Boulder, CO, T: 303-384-6900 |
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U.S. Dept. of Agriculture, ARS, Bushland, TX, T:
806-356-5752 |
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U.S. Agency for International Development,
Through Local Missions, or the Office of Energy & Infrastructure,
Washington, DC, T: 202-712-1685 |
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Notes