ELECTRICAL DEVICE ACTIVELY OPERATING AT MULTIPLE INPUT VOLTAGES AND METHOD FOR CONTROLLING SAME
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United States of America
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Issued Date -
Apr 3, 2025
app pub date -
Dec 11, 2024
filing date -
Dec 11, 2024
priority date (Note) -
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Abstract
An electrical device includes a power factor correction circuit including a switch, a first voltage sensor, a second voltage sensor, a memory storing instructions, and at least one processor configured to obtain second input voltage information of the electrical device, based on first input voltage information and DC link voltage information, compare the second input voltage information with preset reference voltage information, determine, based on a comparison of the second input voltage information with the preset reference voltage information, whether an input voltage of the electrical device is at least one of a low voltage or a high voltage, set a protection level of the power factor correction circuit based on the input voltage, and control an operating cycle of the switch of the power factor correction circuit, based on the protection level of the power factor correction circuit.
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