Electric power conversion systems – Current conversion – Including an a.c.-d.c.-a.c. converter
Patent
1980-12-10
1983-07-19
Shoop, William M.
Electric power conversion systems
Current conversion
Including an a.c.-d.c.-a.c. converter
363 96, H02M 5438
Patent
active
043947204
ABSTRACT:
An auto-stabilized high power current generator which comprises a controllable frequency oscillator connected to a rectifier by means of a circuit including, in series, an induction coil, a measuring circuit developing a signal representing the current flowing between the oscillator and the rectifier, and a comparator for comparing the measuring circuit signal with a reference signal, and which controls the frequency of the oscillator to cause an increase therein when the measuring circuit signal exceeds the reference signal. The frequency of the oscillator is regulated by a switching circuit controlled, in the event the detected signal is less than the reference signal, by a timing device, and in the event the detected signal is higher than the reference signal, by the pulses delivered by the comparator. The invention is particularly applicable for supplying power to a process involving a discharge in a rarified gaseous atmosphere.
REFERENCES:
patent: 3341737 (1967-09-01), Rosa
patent: 4086622 (1978-04-01), Vukasovic
patent: 4200830 (1980-04-01), Oughton et al.
patent: 4301498 (1981-11-01), Farrer
patent: 4336584 (1982-06-01), Careglio
Frager Jean
Shoop William M.
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