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51
4-9-2. STATOR ASSEMBLY
The DD motor can be driven from stopped to maximum speed in infinite steps in either direction.
There are 36 poles on the stator; 12 permanent magnets spaced around the rotor. There are no
brushes to wear out. Unlike a more traditional brushless motor, the rotor surrounds the stator
rather than being attached to it.
5-15
(2) to (3)
5-15
(3) to (1)
5-15
(1) to (2)
Result
Test Points
5-15
(2) to (3)
5-15
(3) to (1)
5-15
(1) to (2)
Result
Test Points
HALL SENSOR
(1) (3)
WINDINGS
(2)
HALL SENSOR
(1) (3)
WINDINGS
(2)
Circuit in the MAIN PWB / Wiring Diagram
Wiring
diagram
Result
(Windings)
Test
points
(Windings)
(Windings)
Function
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