Method of and system for controlling a variable speed induction

Details Method of and system for controlling a variable speed induction Method of and system for controlling a variable speed induction

1997-09-11

1999-03-09

Sircus, Brian

Electricity: motive power systems

Induction motor systems

Primary circuit control

318524, H02P 138

Patent

active

058805710

ABSTRACT:
A method of and system for controlling an induction motor detects input frequency to the motor and connects windings of the motor in one of a plurality of configurations in dependence upon the detected frequency.

REFERENCES:
patent: 3865209 (1975-02-01), Aihara et al.
patent: 4467257 (1984-08-01), Douthart et al.
patent: 4488100 (1984-12-01), Fujii et al.
patent: 4784580 (1988-11-01), Takata et al.
patent: 5614799 (1997-03-01), Anderson et al.
patent: 5650707 (1997-07-01), Lipo et al.

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