Power Electronics

Enhancing reliability, efficiency, power density and dynamic performance.

VFD.mp4

Variable-Frequency Drive for 3-phase induction motor

Components & Parameters:

Hardware setup

Basic 3-phase circuit 

Isolated dc source for gate driver

3-phase inverter circuit

Basic driver circuit with MOSFET

3-phase induction motor

Gate pulses

Gate pulses

Dead band of complementary pulses

Output voltage and current waves

Data Table (Although max frequency is shown 50 Hz here, later the max frequency was increased to around 80 Hz )

Frequency versus speed curve