Power converter with clamp capacitor on DC power supply line
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United States of America Patent
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Jul 18, 2017
Grant Date -
Jun 9, 2011
app pub date -
Jun 1, 2009
filing date -
Jun 27, 2008
priority date (Note) -
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Abstract
A plurality of capacitors are interposed between ones of a plurality of input lines. The clamp capacitor is connected between two DC power supply lines. A current-source converter includes a plurality of switch devices, where x represents r, s and t. The switch device selects conduction/non-conduction through a first diode between corresponding one of the input lines and the first DC power supply line and conduction/non-conduction through a second diode between said corresponding one of input lines and the second DC power supply line based on external signals and brings corresponding one of the input lines with the first and second DC power supply lines in a state of not receiving the signals.
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