DIRECT-CURRENT BUS CONTROL SYSTEM
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United States of America Patent
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Issued Date -
Sep 26, 2024
app pub date -
Jun 7, 2024
filing date -
Dec 10, 2021
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Abstract
A direct-current bus control system is provided for controlling power variation in a DC bus connecting an input power source and a load, including: a main stabilizer including a first charge/discharge element and a first power converter; and a plurality of sub-stabilizers each including a second charge/discharge element, a charge element, or a discharge element, and a second power converter. The plurality of sub-stabilizers include a first sub-stabilizer and a second sub-stabilizer including the charge element. When the voltage of the DC bus is higher than a first charge threshold, the second power converter of the first sub-stabilizer supplies a current equal to a current target value obtained by the second power converter of the first sub-stabilizer from the DC bus to the charge element of the first sub-stabilizer.
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