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Small Cooling Fan of the motor speed

Date: 2015-4-24   Click: 1517 Times

For a "Small Cooling Fan" brushless DC motor, the characteristic curve of different lead angle (0 degrees, 12 degrees, 30 degrees, 40 degrees, 50 degrees) under the speed / torque generally, with the lead angle increases its speed, torque, power range corresponding increase, the new brushless motor drive circuit only uses a linear Hall element that can be as low into the corner to start "Small Cooling Fan" brushless motor (no different from the old version Brush motor drive circuit requires a large Hall element and two small Hall element), "Small Cooling Fan" start to about 3,000 rpm per minute automatic turn up into the corner can continue to improve to 5400 revolutions per minute.

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