AC Drives are an integral part of the Industrial Automation Process, where precise control of the speed of the motor is the Prime Requirement. Nowadays there are a lot of applications where variable speed drives have been used for fulfilling a wide range of peripheral controls and automatic operations. The advancement of Power Electronic devices and Digital electronics led to the development of modern adjustable variable frequency drives which are more compact, efficient, cheaper, and have higher performance than bulky, inflexible, and expansive conventional electric drive systems.
