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  • TI Thinks Resolved

DRV8301-69M-KIT: DRV8301-69M-KIT

Prodigy 130 points

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Part Number: DRV8301-69M-KIT

Regarding IQ Full-Scale Voltage,

 

1)      How can we Identify field weakening is used or not.

 

2)      It has mentioned “Voltages inside the motor can be greater than the input voltage. Set IQ Full-Scale Frequency greater than any voltage inside the motor”. We are using PMSM motor with a rated speed of 3200 RPM and motor is driven with 48V. If field weakening is used means the voltage value recommended to set the IQ full-scale voltage is 98V. Is it good to define IQ full-scale voltage as 98V because USER_ADC_FULL_SCALE_VOLTAGE_V (66.3).

 Thank you,

Vivishekh sivan

  • You might take a look at the lab09 in motorWare and its introduction in the lab guide, that has all information you asked.

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