Stator of ac electric machine

Details Stator of ac electric machine Stator of ac electric machine

H - Electricity

02

K

H02K 3/28 (2006.01)

Patent

CA 2138023

The stator comprises a coil flux guide (1) in some grooves of which are arranged coil groups (2, 3, 4; 2 1, 3 1, 4 1) of two three- phase windings connected in delta and star configuration. The magnetic induction vectors (B U1V1, B V1W1, B W1U1;B1U1; B1V1, B1W1) of each of the coil groups (2, 3, 4; 2 1, 3 1, 4 1) intersect the axis (5) of the coil flog guide (1). The coil groups (2-2 1; 3-3 1; 4-4 1) of like phase in the transverse section of the stator overlap and are offset by 30 electrical degrees, while the three- phase windings are of comparable power. The combination of features ensures chronological and geometrical orthogonality of pairs of magnetic induction vectors (B U1V1-B1W1; B W1U1-B1V1; B V1W1-B1U1) of the coil groups (2, 3, 4) in one phase of one three-phase winding and of the coil groups (3 1, 4 1, 2 1) in the next phase of the other three-phase winding.

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