sliding mode power cancellation direct power control method of a three-phase voltage type PWM converter
A three-phase voltage and power control technology, applied in the direction of converting AC power input to DC power output, output power conversion devices, electrical components, etc., can solve problems such as poor dynamic response and unstable ripple
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[0084] The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.
[0085] The main circuit topology of the three-phase voltage type PWM converter used in the present invention is as follows figure 1 As shown in the figure, u ga , U gb , U gc Are the three-phase voltage on the AC side, i ga , I gb , I gc Are the three-phase currents on the AC side, v ga , V gb , V gc Are the three-phase voltage on the input side of the converter, U dc Is the DC bus voltage, L and R are the incoming line inductance and its equivalent resistance respectively, C is the DC filter ca...
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