RF high-voltage power supply

Details RF high-voltage power supply RF high-voltage power supply

1986-12-30

1987-11-10

Salce, Patrick R.

Electric power conversion systems

Current conversion

Using semiconductor-type converter

42218616, H02M 7519

Patent

active

047061820

ABSTRACT:
There is disclosed a small-sized RF high-voltage power supply capable of stably supplying an RF high voltage to a load at the maximum power efficiency, even if the load has a nonlinear electrostatic capacity that varies with the applied voltage. The power supply has an RF step-up transformer equipped with a primary winding having a tap to which one end of a power capacitor is connected. An oscillating inductor, a thyristor, and the other end of the power capacitor are connected in series with each end of the primary winding in this order. Each thyristor conducts when a voltage is applied to it from the corresponding end of the primary winding. A diode is connected in antiparallel with each thyristor. The thyristors are alternately triggered to conducting state.

REFERENCES:
patent: 3496092 (1970-02-01), Fraser
patent: 4051043 (1977-09-01), Harter et al.
patent: 4250541 (1981-02-01), Chang et al.

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