Power semiconductors ensure maximum reliability, speed and energy efficiency for heating and cooling in various means of transportation, for elevator and moving stairway drives, for industrial drives such as printing machines and pumps, and for the protection of large electrical installations by no-break power supplies (clinics, airports, server farms, etc.).
The saving in industrial drives is about 40 percent per motor if a speed-controlled drive is used instead of an uncontrolled drive. In Germany only 12 percent of all industrial drives are speed-controlled. However, from the energy efficiency standpoint, speed control would make sense in 50 percent of the cases. That means: were these 50 percent equipped accordingly, the energy saving would be equivalent to the annual output of nine fossil-fueled power stations.