Apparatus for synchronizing AC-motors

Details Apparatus for synchronizing AC-motors Apparatus for synchronizing AC-motors

1976-05-17

1978-07-04

Rubinson, Gene Z.

Electricity: motive power systems

Motor-reversing

Armature or primary circuit control

318230, 318231, H02P 540

Patent

active

040991075

ABSTRACT:
An apparatus for controlling an AC-motor, with a feedback arrangement in which the feed-back signal is the output signal of a partly mechanical pulse generator coupled to the shaft of the motor, comprising a micro-processor to which is fed a feed-back signal and a reference signal and a digital clock which sends output signals to said micro-processor, said micro-processor generating signals through a first set of output controls for controlling the frequency and phase of the AC-power supplied to the motor by comparing the reference signal and the arrival times of the feed-back pulses as indicated by the digital clock.

REFERENCES:
patent: 3878445 (1975-04-01), Kirkham et al.
patent: 3906324 (1975-09-01), Smith
patent: 3971972 (1976-07-01), Stich
patent: 3978383 (1976-08-01), Carthy

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