LOW POWER CONVERTER FOR COMPENSATING MAINS VOLTAGE VARIATION
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United States of America Patent
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Issued Date -
Sep 12, 2024
app pub date -
Feb 28, 2022
filing date -
Mar 11, 2021
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Abstract
A power converter for compensating voltage variation in a circuit, the circuit comprising: a power stage arranged for receiving a mains input and for converting the mains input into a direct current, DC, output for driving a load; and a first buffer capacitor connected in a parallel branch with the load; wherein the power converter comprises an output capacitor connected in series with the first buffer capacitor, wherein the output capacitor is arranged for connecting in series with the first buffer capacitor in said parallel branch with the load; wherein the power converter comprises a second buffer capacitor arranged for connecting in series with the first buffer capacitor; and wherein the power converter is configured to charge the output capacitor from the second buffer capacitor, when the DC output is below a predetermined threshold.
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