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STEVAL SPIN 3202 overcurrent protection trips on start with FOC

mapik007
Associate

Hi,

When the start command is issued on the STEVAL SPIN3202, while in FOC mode, the board immediately falls into overcurrent protection mode. The voltage on the current sense resistor is captured in the attached oscilloscope image. The board is configured as follows: Header JP8: Pin 2-3 closed, FOC mode. Header J11 closed, Header J12 open.

When overcurrent protection is turned off in the MotorControl Workbench, there is no PWM output.

The motor is driven in sensorless mode, 30V DC, 10A max. When start is pressed, a short audible "click" can be heard from the motor, until overcurrent protection kicks in.

I can provide more details when requested.

Thanks, MaPi

current.png

 

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