Voltage doubler circuit

Details Voltage doubler circuit Voltage doubler circuit

1982-09-16

1985-10-22

Wong, Peter S.

Electric power conversion systems

Current conversion

With voltage multiplication means

361275, 219 1055B, H02M 318

Patent

active

045492573

ABSTRACT:
A voltage doubler circuit for providing half-wave direct current at a predetermined peak voltage level to a device, has a source of alternating current having a peak voltage lower than the predetermined peak, a first capacitance element in series with the device, at least one additional capacitance element, switching means for selectably connecting the additional capacitance element in parallel with the first capacitance element for providing different levels of current to the device, and a resistance element connected between the capacitance elements for causing a voltage buildup on the additional capacitance element when the additional capacitance element is not connected by the switching means, whereby the peak voltage across the switch is smaller than the predetermined peak voltage level; and the internal charging resistor and two capacitance elements form an integral wound capacitor.

REFERENCES:
patent: 3324273 (1967-06-01), Ogburn
patent: 3377562 (1968-03-01), Staats
patent: 3591826 (1971-07-01), Valles
patent: 3651371 (1972-03-01), Tingley
patent: 3666964 (1972-05-01), Flynn
patent: 3684978 (1972-08-01), Otaguro
patent: 3840787 (1974-10-01), Grahame
patent: 4001657 (1977-01-01), Robinson
patent: 4017702 (1977-04-01), Harmon et al.

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