High voltage converter system
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United States of America Patent
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Aug 26, 2003
Grant Date -
Dec 5, 2002
app pub date -
May 29, 2002
filing date -
May 29, 2001
priority date (Note) -
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status (Latency Note)
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Abstract
A high voltage converter system including a high voltage power line at a first voltage level, a step-down device connected to a second voltage level lower than the first voltage level, and a high voltage switch module including a plurality of voltage limited controllable switch elements including components to limit the voltage across each the voltage limiting controllable switch element to a predetermined voltage when each the voltage limiting controllable switch element is in an open state and to a zero voltage when each the voltage limiting controllable switch element is in a closed state. The voltage limiting controllable switch elements are typically connected in series between the power line and the step-down device. The high voltage down-converter system also includes a control system to selectively set the open state and the closed state of each the voltage limiting controllable switch elements to control the current through the step-down device.
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