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通过AFE装置组成四象限变频器实现四象限运行,把电动机制动能量回馈给电网达到节能的目的,同时也消除了输入侧谐波,提升了电动机的效率。该装置具有很好的应用前景。
Four-quadrant inverter is realized by AFE device to realize four-quadrant operation. The braking energy of the motor is fed back to the grid to save energy. Simultaneously, the harmonic on the input side is also eliminated to improve the efficiency of the motor. The device has good application prospects.