POWER CONVERSION DEVICE, AIRCRAFT, AND POWER CONVERSION METHOD
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United States of America
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Nov 28, 2024
app pub date -
Jul 7, 2021
filing date -
Jul 7, 2021
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Abstract
A gradationally controlled voltage inverter, which is a power conversion device, controls a gate impedance of a main inverter before a capacitor voltage VDCS of a sub-inverter is controlled at a predetermined voltage so as to be larger than a gate impedance of the main inverter after the capacitor voltage VDCS of the sub-inverter is controlled at the predetermined voltage. This reduces the noise caused by the main inverter when the capacitor voltage VDCS of the sub-inverter is not controlled at the predetermined voltage.
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