Induction motor winding

Details Induction motor winding Induction motor winding

1985-04-19

1987-06-23

Smith, Jr., David

Electricity: motive power systems

Induction motor systems

Primary circuit control

318771, 310184, 310198, H02P 748

Patent

active

046755918

ABSTRACT:
The alternating current motor stator of a polyphase motor has each coil wound of at least two separate conductors. The terminal ends of each conductor is encoded for separate circuit interconnection to other conductors of other coils of the motor stator. The coils are inserted into the stator with a single coil side per slot and appears as a conventional chain winding. The bi-filar wound coils have the encoded ends connected to obtain the benefits of double delta winding connections. The coils are paired and selectively connected to each other by speed responsive switches to define a double delta run winding with the phase windings connected in parallel and a double-delta start winding.

REFERENCES:
patent: 1500834 (1924-07-01), Macmillan
patent: 1773285 (1930-08-01), Spencer
patent: 1927208 (1933-09-01), Gay
patent: 3016482 (1962-01-01), Andersen et al.
patent: 3221233 (1965-11-01), Cantonwine
patent: 4227106 (1980-10-01), Druss et al.

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