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The Basic Composition of the Frequency Converter

- Dec 19, 2017 -


The frequency converter is usually divided into four parts: rectifier unit, high capacity capacitor, inverter and controller.


Rectifier unit: the AC frequency will be fixed to direct current conversion.

High capacity capacitance: store converted energy.


Inverter: high-power switching transistor array composed of electronic switches, the DC into different frequency, width, amplitude of the square wave.


Controller: According to the set program work, control the amplitude of the output square wave and pulse width, so that superimposed as an approximate sine wave AC, drive AC motor.


The Basic Composition of the Frequency Converter.jpg


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