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Vibratorily commutated stationary conversion

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1 Author(s)
Southgate, George T. ; Consulting Engineer, New York, N. Y.

A system of stationary conversion of electric energy from a-c to d-c form is described in this paper in which commutation is effected by harmonically vibrating contacts actuated electromagnetically. Combined with the vibratory commutative system is a special transformer with closely coupled primary and secondary windings which are subdivided into numerous phases corresponding to the coils of a Gramme ring; the travel of the electromagnetic field that actuates the vibrating contacts is in synchronism with the travel of flux polarity in the respective transformer members. A model converter embodying these principles is described and illustrated.

Published in:

Electrical Engineering  (Volume:54 ,  Issue: 11 )