Plural electric motors driving common load and having interconne

Details Plural electric motors driving common load and having interconne Plural electric motors driving common load and having interconne

1978-06-15

1980-06-17

Rubinson, Gene Z.

Electricity: motive power systems

Plural, diverse or diversely controlled electric motors

Series-parallel connected motors

318 98, 318 50, 318 42, H02P 774

Patent

active

042086205

ABSTRACT:
A twin electric motor drive for a grinding mill has substantially identical synchronous motors mechanically connected to the drive of the mill, and the stator winding which generates a revolving magnetic field in each motor comprises a plurality of phase windings each of which is energized from a separate phase of a polyphase power source and has first and second winding sections which are interconnected with the second and first winding sections respectively of the corresponding phase winding of the other motor to equalize the load between the motors.

REFERENCES:
patent: 3564342 (1971-02-01), Sanders et al.
patent: 3611080 (1971-10-01), Herzog et al.

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