Electric power conversion systems – Current conversion – Using semiconductor-type converter
Patent
1979-11-13
1982-05-18
Beha, Jr., William H.
Electric power conversion systems
Current conversion
Using semiconductor-type converter
307248, 363 98, H02M 7537
Patent
active
043308198
ABSTRACT:
The invention relates to a static semi-conductor electrical energy converter.
The converter is of the type comprising a power stage 5 provided with at least one power transistor 7, and a control stage 1 furnishing a control signal S.sub.C appropriate for the conversion to be carried out; according to the invention, each transistor is a transistor having a voltage V.sub.CEX greater than its voltage V.sub.CEO and is associated with an intermediate stage 4 for treatment of the control signal S.sub.C. This stage 4 is adapted to drive the base of the said transistor to guarantee operation thereof over a voltage range extending from 0 to V.sub.CEX thus making it possible to take advantage of the improved voltage V.sub.CEX of the said transistor.
The invention is applicable in particular in the case of inverters adapted to convert a continuous electric voltage into an alternating electric voltage.
REFERENCES:
patent: 3027508 (1962-03-01), Johnson
patent: 3490028 (1970-01-01), Modiano
patent: 3729655 (1973-04-01), Gratzke
patent: 4095128 (1978-06-01), Tanigaki
New Electronics, (GB), vol. 10, No. 17, pp. 60, 63, Sep. 6, 1977.
Foch Henri
Roux Jacques
Agence Nationale de Valorisation de la Recherche
Beha Jr. William H.
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