Certain PWM combinations from motor control can cause excessive voltage overshoots. These overshoots together with common-mode voltage and/or voltage speeds (dV/dt) cause electrical insulation degradation on motors - leading to failure over time.
If it is possible to reduce voltages, then the electrical insulation inside motor slots can be reduced. This is equal to putting more copper inside the motor and then yield higher power ratings and efficiency.
By applying an extra dimension of voltage control to existing techniques such as space vector control, a final system should be able to run a PMSM, showing voltage improvements from before to after voltage minimization. Please see attached for more information.
this idea will get one TAPAS dev kit