Synchronous Motors spin at 3600 RPM in the US, and 3000 RPM in the 50Hz countries. 1800 is "Half-Synchronous" because the motor has 2 sets of poles to increase torque and cut speed in half...
Synchronous Motors spin at 3600 RPM in the US, and 3000 RPM in the 50Hz countries. 1800 is "Half-Synchronous" because the motor has 2 sets of poles to increase torque and cut speed in half...
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