Voltage shrinkage at higher speed around 0.3 of rated of speed and i'm computing line to line voltage from PWM which i captured using logic analyzer.

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akshay
akshay el 23 de Oct. de 2025 a las 6:23
Hey I'm controlling pmsm motor using FOC , i observed at that higher speed the duty cycle as well as line to line voltage is shriniking what can be the possible reason behind that ?
the pink region is sinousodul waveforms of line to line voltage as you can see that at higher speed it shrinked.

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