Inverter driven motor having winding termination reducing EMI

Details Inverter driven motor having winding termination reducing EMI Inverter driven motor having winding termination reducing EMI

1998-02-13

1999-12-28

Enad, Elvin

Electrical generator or motor structure

Dynamoelectric

Rotary

310 71, 310180, 310184, 310198, 310200, 310195, H02K 100, H02K 300

Patent

active

060085606

ABSTRACT:
A motor with a switching power converter is connected to a power source for supplying power to the motor. The converter has a motor terminal selectively connected to a voltage bus. A stator core has a stator body supporting a plurality of poles. A rotor is in magnetic coupling relationship with the stator core. A stator winding has a first termination and a second termination and is wound on one of the poles such that the first termination is closer to the one pole than the second termination. The first termination is electrically connected to a neutral terminal. The second termination is electrically connected to the motor terminal of the switching power converter. Parasitic capacitance associated with the second termination and EMI caused by such parasitic capacitance is minimized as compared to the parasitic capacitance occurring if the second termination is connected to the neutral terminal and the first termination is connected to the motor terminal. A method of assembling is also described.

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