Electric circuit for converting an AC voltage into a DC voltage

Details Electric circuit for converting an AC voltage into a DC voltage Electric circuit for converting an AC voltage into a DC voltage

1980-12-31

1984-03-20

Blum, Theodore M.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Cathode-ray deflections circuits

H01J 2970, H01J 2976

Patent

active

044383754

ABSTRACT:
The circuit comprise a switch controlled so that at each period of the AC voltage it is conducting for a period of time which depends on the desired output voltage, and a control of the output voltage slaved to an instruction or reference signal. The measuring signal of the control is the mean value of the voltage at the terminals of said switch during a period of the AC voltage. For establishing the mean value there is provided, an integrator whose input receives the voltage signal at the terminals of the controlled switch.

REFERENCES:
patent: 3870903 (1975-03-01), Taylor
patent: 3956668 (1976-05-01), Ogawara
patent: 4322663 (1982-03-01), Rilly
patent: 4331908 (1982-05-01), Rilly
Funkschau, vol. 42, No. 18, Sep. 1970, Munich (DE) E. Richter, "Netzgerat mit Thyristor", p. 1840.

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