High voltage power supply system including inverter controller

Details High voltage power supply system including inverter controller High voltage power supply system including inverter controller

1986-06-30

1987-04-28

Wong, Peter S.

Electric power conversion systems

Current conversion

Including d.c.-a.c.-d.c. converter

363 28, 363 95, 363124, 323266, 378101, H02M 3335

Patent

active

046618961

ABSTRACT:
A high voltage power supply system includes a DC-to-DC converter for producing a DC low voltage, a DC-to-AC inverter connected to a step-up transformer for producing an AC high voltage by transforming an AC low voltage obtained from the DC low voltage, and an inverter controller for controlling an operation time period of the DC-to-AC inverter longer than that of the DC-to-DC converter. Since a residual charge stored in a capacitor of the DC-to-DC converter is rapidly discharged by lengthening the operation time period of the DC-to-AC inverter, an unwanted AC high voltage is induced at a secondary winding of the step-up transformer.

REFERENCES:
patent: 3818306 (1974-06-01), Marini
patent: 4161773 (1979-07-01), Szpakowski
patent: 4221968 (1980-09-01), Franke
patent: 4251857 (1981-02-01), Shelly

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