Induction motors having squirrel cage rotors analogous to commut

Details Induction motors having squirrel cage rotors analogous to commut Induction motors having squirrel cage rotors analogous to commut

1974-09-30

1979-04-10

Duggan, Donovan F.

Electricity: motive power systems

Induction motor systems

With voltage source connected to motor secondary

310166, H02P 5128

Patent

active

041491149

ABSTRACT:
This invention presents several meters characterized by a novel stator structure having distinct and separated energizing and exciting windings and provided with squirrel cage rotors of conventional design which are energized by induction, replacing rotors having commutator and brushes. Several species are derived in analogy to series, shunt, universal and repulsion motors, which exhibit similar characteristics, as their counterparts with commutators. As no rotating fields are considered, multipole, single phase motors and Multiphase motors are repetitions of the basic single phase two pole design.

REFERENCES:
patent: 2805375 (1957-09-01), Morgan
patent: 2842729 (1958-07-01), Hillman
patent: 2914688 (1959-11-01), Matthews
patent: 2932752 (1960-04-01), Jones et al.
patent: 3017553 (1962-01-01), Homan
patent: 3144597 (1964-08-01), Lee
patent: 3159760 (1964-12-01), Olofsson

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