SVPWM (Space Vector Pulse Width Modulation) synchronous modulation/overmodulation method of high-power AC transmission system
An AC drive, synchronous modulation technology, applied in the direction of AC motor control, control system, electrical components, etc., can solve the problems of harmonic distortion, limitation, unsuitable for high-power inverter occasions, etc., to reduce harmonics, the method is simple workable effect
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[0045] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0046] figure 1 It is a flow chart of the SVPWM synchronous modulation and over-modulation method of the high-power AC drive system of the present invention, as figure 1 As shown, the method of this embodiment may include:
[0047] Step 101, according to the modulation ratio, the modulation area is divided into a linear modulation area, an over-...
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