Brushless A.C. synchronous motors

Electricity: motive power systems – With flywheel or massive rotary member

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318192, H02P 150

Patent

active

039913511

ABSTRACT:
A brushless A.C. synchronous motor includes a stator assembly having a stator winding and an inverter for feeding the stator winding, a rotor assembly including a field winding and a transformer having a primary winding on the stator assembly and a secondary winding on the rotor assembly. The primary winding is fed by an oscillator on the stator assembly, and the secondary winding provides an output for the field winding by way of rectifier.

REFERENCES:
patent: 3093782 (1963-06-01), Sparrow
patent: 3406323 (1968-10-01), Jordan
patent: 3461368 (1969-08-01), Haller
patent: 3757182 (1973-09-01), Chalmers et al.

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