What are AC drives?

ac drives is a component used to control the speed of induction motor by varying the frequency as speed is directly proportional to speed it consists of rectifiers , filters bus and inverter circuits along with triggering device like scr or igbt

It's been treated as electric energy saving devices in lots of industries
Conveyor, Steel, Cement, CNC machine, Fan & pump, Chemical fiber, Sugar, Glass, Packaging, Metal, Plastic machining, Paper & printing, Petrochemical, Textile priting