|Electrical Machines - Basic vocational knowledge (Institut für Berufliche Entwicklung, 144 p.)|
|1. General information about electrical machines|
Since the energy direction of an electrical machine is reversible, the rotating electrical machine can operate, without constructional changes, as a motor or generator and transform the stationary electrical machine upwards or downwards. For this reason rotating electrical machines are generally systematized in accordance with their operating principles.
Survey 4 - System of rotating electrical machines