Electricity: power supply or regulation systems – External or operator controlled – Using a transformer or inductor as the final control device
Patent
1986-11-06
1988-04-12
Beha, Jr., William H.
Electricity: power supply or regulation systems
External or operator controlled
Using a transformer or inductor as the final control device
219116, 323331, 323335, 323339, 336165, G05F 304
Patent
active
047377046
ABSTRACT:
A variable-ratio transformer for arc and plasma setups, comprising a magnetic core made up of a main part composed of two yokes and legs in accordance with the number of phases and an additional part disposed on the side of the yoke of the main part of the magnetic core. The additional part of the magnetic core is made up of a yoke and legs whose number is equal to the number of the legs of the main part, at least one leg being placed with a gap in relation to the first yoke of the main part. The primary winding of each phase comprises two series-connected parts, the first part being located on the main part of the magnetic core, while the second part is located on the additional part thereof. A controlled electronic switch which regulates the load current flowing through the secondary winding of each phase, disposed on the main part of the magnetic core, is connected in parallel to one of the parts of the primary winding of each phase.
REFERENCES:
patent: 1609141 (1926-11-01), Thompson
patent: 3147455 (1964-09-01), Owen
patent: 3278833 (1966-10-01), Owen
patent: 3938030 (1976-02-01), Cornwell
patent: 4032840 (1977-06-01), Lebedev et al.
patent: 4177418 (1979-12-01), Brueckner et al.
Ditler Frants F.
Dondysh Arkady A.
Kalinnikov Semen A.
Olenich Vasily N.
Sazonov Viktor Y.
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