The Basic Structure of The Inverter

- Aug 29, 2018-

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

Rectifier unit: converts AC power with fixed operating frequency to DC power.

High-capacity capacitor: Stores the converted power.

Inverter: An electronic switch consisting of a high-power switching transistor array that converts direct current into square waves of different frequencies, widths, and amplitudes.

Controller: Operates according to the set program, controls the amplitude and pulse width of the output square wave, and superimposes the alternating current into an approximate sine wave to drive the AC motor.

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