OPTIMIZATION OF SWITCHING FREQUENCY AND PULSE WIDTH MODULATION TECHNIQUE FOR TRACTION POWER INVERTERS
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United States of America Patent
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Issued Date -
Apr 10, 2025
app pub date -
Oct 4, 2023
filing date -
Oct 4, 2023
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Abstract
A method of operating a power inverter for an electric machine includes selecting an inverter switching technique; determining a frequency range for inverter switching; determining a direct current (DC) voltage range for inverter switching; determining an optimal switching map including an inverter switching technique and frequency selection for each value of torque-speed on a torque-speed curve; and controlling switches included in the power inverter using the optimal switching map.
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