RTTI- Reliance Technical Training Institute

Variable Frequency Drive (VFD) and Motor

♦ Introduction to VFD (Variable Frequency Drive)
♦ Principles of AC Induction Motors
♦ Methods of reducing starting current
♦ Methods of achieving a variable speed drive
♦ Practical Star connection of 3 phase Motors
♦ Practical Delta connection of 3 phase Motors
♦ Practical Star-Delta connection of 3 phase Motors with manual and automatic starter
♦ Inverter Theory
♦ Practical Connection of motors and inverters
♦ Practical programming of inverters using a parameter unit
♦ Practical Keypad, terminal and operation of motors and inverters
♦ Practical assessment to test knowledge and understanding
♦ Hardware Description
♦ Inverter Control with Terminal, OP, Modbus.
♦ POT (Potentiometer) connection diagram.
♦ Motor Speed Control with POT.
♦ Motor Speed control with analog calibrator
♦ Motor speed control with load cell module
♦ Motor on-off, Forward-Reverse and speed control with PLC
♦ Motor Trouble Shooting
♦ Tricks & Tips