A variable-frequency drive (VFD) is a system for controlling the rotational speed of an alternating current (AC) electric motor by controlling the frequency of the electrical power supplied to the motor. A variable frequency drive is a specific type of adjustable-speed drive. Variable-frequency drives are also known as adjustable-frequency drives (AFD), variable-speed drives (VSD), AC drives or inverter drives.
In this course we use the A-B model 700 VF Drive

This is a 16 Hour Course.

Schedule:

Variable Frequency Drives starts Saturday February 20 and ends Sunday February 21, 2010 both days start at 8am and run until 4pm.

Variable Frequency Drives start Tuesday April 6 at 7pm and continues Thursday April 8 at 7pm, Tuesday April 13 at 7pm and ends Thursday April 15.