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Frequency Inverters we offer are additionally called recurrence converters which are control transformation gadgets to change over typical power supply to another recurrence control by inward power semiconductor on/off practices, to control electric engines in factor speed activities. It is changing the recurrence supply to the engine stator windings to accomplish variable speed control reason. The recurrence inverter is chiefly comprised of rectifier (AC to DC), channel, inverter (DC to AC), braking unit, drive unit, identification unit and miniaturized scale handling unit and so on. The control circuit controls fundamental circuit, the rectifier circuit changes over AC control into DC control, DC transitional circuit smoothing the rectifier circuit yield, at that point the inverter circuit switch DC current into AC current once more.