Eff1, IE3. And what then? Pt. 3. Types of motors. Idle power; Eff1, IE3. Und was dann? T. 3. Motorarten. Blindleistung

The authors of the contribution under consideration report on motors using permanent magnets for electric driven automobiles. Especially, the authors try to give an answer to the question on how to enhance the efficiency of engines. A possibility is the switch to rotors consisting of copper.