.SpotExamples.d_DrivesDC.BLDCcharSpeed .SpotExamples.d_DrivesDC.BLDCcharSpeedBrushless DC machine (permanent magnet synchronous machine) torque-speed characteristic.
This example uses rectangular modulation with constant voltage amplitude and width=2/3, corresponding to 2 phases on, 1 phase off (no additional PWM).
See for example as a function of phase:
efficiency.eta efficiency machine.motor.w_el angular velocity (el) machine.motor.tau_el torque (el)(right click dcm_pm.motor.w_el and choose Independent variable: w_el).