DC bus voltage control method and system
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United States of America Patent
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May 12, 2015
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app pub date -
Apr 30, 2010
filing date -
Apr 30, 2010
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Abstract
A method for controlling voltage of a DC bus in a converter circuit is provided. The method includes monitoring a duty cycle of a switch that connects a resistive circuit across the DC bus, the switch being closed when the DC bus voltage reaches an upper voltage value and opened when the DC bus voltage reaches a lower voltage value and altering the lower voltage value based upon the duty cycle of the switch.
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