Method of and motor apparatus for generating high speeds

Details Method of and motor apparatus for generating high speeds Method of and motor apparatus for generating high speeds

1974-12-12

1976-11-09

Rubinson, Gene Z.

Electricity: motive power systems

Motor-reversing

Armature or primary circuit control

318231, 321 60, 321 61, 321 69R, H02P 540

Patent

active

039913538

ABSTRACT:
This disclosure deals with a motor technique for enabling the running at speeds higher than 3600 r.p.m., for 60 c.p.s. excitation, without the previously required commutators, brushes, gear boxes or frequency changers, through novel sequence switching of different selected portions of three-phase power, controlled to cause multiple magnetic pole energization at different times from different power phases in order to produce successive phase-displaced resultant waveforms that are substantially sinusoidal but of a multiple of 60 c.p.s.

REFERENCES:
patent: 3624472 (1971-11-01), Graham
patent: 3684935 (1972-08-01), Sawyer et al.
patent: 3689813 (1972-09-01), Sawyer et al.
patent: 3832624 (1974-08-01), Gilmore et al.

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