Friday 12 July 2013

AC DRIVES

AC Drives are also known as Inverters, Variable Speed Drives (VSDs), Variable Frequency Drives (VFDs) and Frequency Convertors. 

AC Drives are used to control AC Induction motors; the most common motor technology used in industry. The motors are rugged, require very little maintenance and can easily be manufactured with high environmental protection. 

If an AC motor is connected directly to the mains supply the motor will accelerate quickly and then rotate at a fixed speed which is dependant upon the electrical supply frequency and the motor design.

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