Electrical Drives – Classification of AC Drives & VFD :
What is an Electric Drive? Why It is Needed?
Why Electrical Drives are needed?
Block Diagram of an AC Electric Drive
Classification of AC Drives
Block Diagram of AC Drive (Typical VFD)
Construction and Parts of a Typical VFD AC Drive
Principle Operation of Variable Frequency Drive (VFD)
Control Schemes of VFD
Real Time AC Drives at Glance