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
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Conveyor, Steel, Cement, CNC machine, Fan & pump, Chemical fiber, Sugar, Glass, Packaging, Metal, Plastic machining, Paper & printing, Petrochemical, Textile priting