Voltage waveform synthesizer and a system that includes the same

Details Voltage waveform synthesizer and a system that includes the same Voltage waveform synthesizer and a system that includes the same

1976-05-14

1978-09-26

Hohauser, Herman J.

Electricity: motive power systems

Motor-reversing

Armature or primary circuit control

363 43, H02M 748

Patent

active

041173643

ABSTRACT:
A voltage waveform synthesizer whereby an ac waveform (which may be varied in frequency) is synthesized from dc or unidirectional voltages in a programmable fashion, the power carried by the waveform being controllable from zero to some maximum value and the harmonic content of the waveform also being controllable. The synthesizer per se is described and it is shown in combination with a rotating electric machine to provide, for example, a variable speed drive mechanism.

REFERENCES:
patent: 3775662 (1973-11-01), Compoly et al.
patent: 3867643 (1975-02-01), Baker et al.

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