Power supply with arcing control and automatic overload protecti

Details Power supply with arcing control and automatic overload protecti Power supply with arcing control and automatic overload protecti

1984-12-28

1987-03-17

Beha, Jr., William H.

Electric power conversion systems

Current conversion

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

55139, 323903, 331117R, 361235, 336 69, 336189, 363 56, 363 61, H02M 3338

Patent

active

046512640

ABSTRACT:
A power supply with automatic arcing control and overload protection includes an electronic switch in an oscillator circuit with a primary winding of a step-up transformer. A high voltage, secondary winding of the transformer is loosely magnetically coupled to the primary winding. The frequency of oscillation of the oscillator circuit decreases as a load impedance across the secondary winding of the transformer decreases. In the case of arcing or shorting of an output circuit of the power supply the frequency of oscillation decreases below a pass band of the output circuit, thereby reducing the output current of the power supply.

REFERENCES:
patent: 2276832 (1942-03-01), Dome
patent: 3295041 (1966-12-01), Bize
patent: 3582754 (1971-06-01), Hoffmann et al.
patent: 3702961 (1972-11-01), Erickson
patent: 3928703 (1975-12-01), Waltz
patent: 4007413 (1977-02-01), Fisher
Pugh, "Geiger Counter with Transistor Power Supply", pp. 35-37, Jun. 1957.

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