| 摘要 |
An electric turbine includes a fan with a plurality of blades each with a tip having a permanent magnet positioned in the tip. The fan is mounted for rotation about an axis with the blades extending radially outwardly from the axis of rotation and with the tips adjacent an outer extremity. An electromagnet and a magnetic sensor are each positioned to be magnetically aligned with the permanent magnet in the tip of each blade during one complete rotation of the fan. A controller supplies a pulse of current, in response to reception of a sensor signal from the magnetic sensor, to the electromagnet at a time when the electromagnet is magnetically aligned with the permanent magnet in one blade of the fan. A solar panel supplies power to the controller.
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