THREE-PHASE SINGLE-LAYER ELECTRIC MACHINE WINDING Russian patent published in 1997 - IPC

Abstract RU 2085009 C1

FIELD: electric machine engineering. SUBSTANCE: proposed winding is meant for A.C. electric machines. This concentric winding has odd number of slots per pole and phase Q ≥ 5. Odd subgroups have (Q/2+0.5 ) coils each with pitches in slots y_sl_i = 3Q-2(i-1) and even subgroups have (Q/2-0.5) coils each with pitches y_sl_k=3Q-2k, where i and k are equal to 1, 2, 3, ... EFFECT: diminished differential dissipation and decreased usage of copper. 3 dwg , 1 tbl

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RU 2 085 009 C1

Authors

Popov V.I.

Petrov Ju.N.

Dates

1997-07-20—Published

1993-11-18—Filed