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Dept. Electrical and Computer Systems Engineering |
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Power Electronics Group |
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Specifications |
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8 pole permanent magnet generator. |
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Generator |
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Cp = power coefficient of the blades TSR = blade tip speed ratio |
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Power Coefficient vs Tip Speed Ratio |
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Dept. Electrical and Computer Systems Engineering |
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Power Electronics Group |
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Temperature rise of generator with no moving air with phase current of 6.5±0.2 Arms. Ambient temperature =20.9C |
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Temperature Rise of Generator |
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Organigrow vertical axis turbine |
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Blade Power at 9m/s Wind Speed |
Summary of Minimum Converter Specifications |
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Design Item |
Minimum Target Requirement |
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1. Manufacturing cost |
Parts cost of less than US$20 at high-volume production (approximately 100000 units/year) |
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2. Complete package size |
A convenient shape with volume less than 2 dm3 (2 liters). |
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3. Complete package weight |
Mass less than 3 kg. |
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4. Output power capability |
Must be able to deliver 300W of energy into a 12V battery continuously. Must be able to deliver 900W of energy into a 12V battery for 60 seconds. |
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5. Peak power rating |
600 W peak |
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6. Improved overall efficiency curves
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Efficiency higher than 90% for power level varying from 5% to 100%. |
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7. Stand-by (tare) losses |
When the wind turbine is not producing power, the converter should shut down controllably. |