Does the Chorus drive have peak torque advantages?
A – Operating the Chorus drive with a square wave drive results in a greater RMS voltage output from the inverter for the same DC link voltage. This means that the motor will be operated at a higher voltage and a correspondingly lower current, enabling the same power electronics to provide greater motor power at a fixed DC link voltage. This higher power may either be in the form of increased constant torque speed, or if the motor is wound with a greater number of turns, greater peak torque capability.