In electromechanical energy conversion devices (e.g generators and motors) a small air gap is left between the stator and the rotor in order to
permit mechanical clearance
In electromechanical energy conversion devices (e.g generators and motors) a small air gap is left between the stator and the rotor in order to permit mechanical clearance.
The ventilating ducts in most of the dc machines are
The armature core of a dc machine is usually made of