Electricity: motive power systems – Plural – diverse or diversely controlled electric motors – Series-parallel connected motors
Patent
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.
Powers, III Frederick W.
Redman John W.
Rubinson Gene Z.
Siemens-Allis, Inc.
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