E-beam high voltage switching power supply
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United States of America Patent
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-
Oct 15, 1996
Issued Date -
N/A
app pub date -
May 22, 1995
filing date -
Apr 13, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A high-power power supply produces a controllable, constant high voltage put under varying and arcing loads. The power supply includes a voltage regulator, an inductor, an inverter for producing a high frequency square wave current of alternating polarity, an improved inverter voltage clamping circuit, a step up transformer, an output rectifier for producing a dc voltage at the output of each module, and a current sensor for sensing output current. The power supply also provides dynamic response to varying loads by controlling the voltage regulator duty cycle and circuitry is provided for sensing incipient arc currents at the output of the power supply to simultaneously decouple the power supply circuitry from the arcing load. The power supply includes a plurality of discrete switching type dc--dc converter modules.
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