Power supply with arcing control and automatic overload protection
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United States of America Patent
Stats
-
Mar 17, 1987
Issued Date -
N/A
app pub date -
Dec 28, 1984
filing date -
Sep 5, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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