POWER CONVERSION DEVICE AND CONTROL METHOD FOR POWER CONVERSION DEVICE
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United States of America Patent
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Issued Date -
Apr 11, 2024
app pub date -
Oct 20, 2021
filing date -
Oct 22, 2020
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Abstract
A power conversion device according to an embodiment includes: a voltage regulator circuit configured to regulate power from a power source to a desired voltage; an inverter configured to convert the power output from the voltage regulator circuit into an alternate current power; a resonant circuit having inductance and capacitance; a high frequency transformer configured to convert the alternate current power of the inverter; a rectifier configured to convert the alternate current power output from the high frequency transformer into a direct current power; a temperature detector configured to detect a temperature of the resonant circuit; and a controller configured to detect an anomalous resonant frequency when the temperature is equal to or higher than a predetermined temperature threshold to control an anomalous state.
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