Motor driving system without electrolytic capacitor and control method and device of motor driving system
A motor drive system, electrolytic capacitor technology, applied in the direction of AC motor control, control system, electrical components, etc., can solve the problems of DC bus voltage can not output enough torque, damage to electric control, motor out of control, etc., to avoid compressor motor Out of control or motor drive system damage, avoid out of control or motor drive system damage, reliable operation effect
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[0040] The embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings, in which the same or similar reference numerals indicate the same or similar elements or elements with the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary, and are intended to explain the present invention, but should not be construed as limiting the present invention.
[0041] The following describes the electrolytic capacitor-free motor drive system and its control method and device proposed by the embodiments of the present invention with reference to the accompanying drawings.
[0042] figure 1 It is a schematic structural diagram of an electrolytic capacitor motor drive system according to an embodiment of the present invention. Such as figure 1 As shown, the electrolytic capacitor-free motor drive system includes: an input inductor 1, a rectifier circuit 2, a DC...
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