VTdrive Working of Variable Speed Drives(VSD)0 pages
From then industrial ac drives have evolved rapidly by dedicated effort of many scientists
and engineers all over the world resulting in development of advanced drive technology
such as Variable Frequency Drive(VFD). VFD is a power electronics based device
which converts a basic fixed frequency, fixed voltage sine wave power (line power) to a
variable frequency, variable output voltage used to control speed of induction motor(s). It
regulates the speed of a three phase induction motor by controlling the frequency
and voltage of the power supplied to the motor.