High voltage switching apparatus
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United States of America Patent
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Issued Date -
Aug 24, 2006
app pub date -
Feb 21, 2006
filing date -
Feb 18, 2005
priority date (Note) -
Abandoned
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Abstract
A switching arrangement for a high voltage load provides high voltage pulses to the load. The switching arrangement includes N switching modules where N is typically 75. A load capacitance of Cd is required to avoid voltage overshoot at the load and is provided by a capacitance of nCd arranged in parallel with each switch. In addition, a graded capacitance is arranged across each switch. The graded capacitance compensates for unequal voltage sharing during high transience. The graded capacitance and the distributed load capacitance may be arranged as a single capacitance across each switch.
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