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Foundation motor's trough and pole
Single-phase Claw-plose motor 3-phase motor
4S4P 4S4P 3S4P
6S6P 8S8P 6S4P
8S8P   6S8P
    9S12P
    12S10P
8 pole 4 pole

Foundation motor's trough and pole
Single-phase motor 2-phases motor 3-phase motor Claw-poles motor

1.Single-phase motor:the most common motor is using at unipolar which is belong to the simple wiring function in generally.
2.Bipolar motor: two bipolars and the applictation is belong to low speed's cost down type.
3.Three-phase motor: three bipolars assembled, the aoolication is belong to torque rippoe which will have two bipolars on working and one biploar on rest.
4.Claw-poles motor: from up stator and down stator assembled with unipolar and the evolution was from stepping motor by Claw-poles.


Four kinds of Fan curves
Torque will be decreased, due to motor’s speed increased by moment of inertia. The current will be decreased, due to momtor’s speed increased by moment of inertia.
To make an effort diminsh, due to motor’s speed increased bymoment of inertia. Motor’s efficiency will be decreased when the motor’s speed increased to D point.
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