Improved model predictive torque control method of NPC three-level converter-PMSM system
A technology for predicting torque and control methods, applied in motor generator control, AC motor control, electronic commutation motor control, etc. The effect of controlling performance, shortening the suppression time, and reducing the amount of calculation
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[0040] In order to make the purpose, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention are described in further detail below in conjunction with the accompanying drawings:
[0041] Embodiments of the present invention and its implementation work process are as follows:
[0042] The specific implementation of the NPC three-level converter-PMSM system structure is as follows: figure 1 As shown, the described NPC three-level converter-PMSM system includes a voltage source, a rectifier bridge, an NPC three-level converter and a permanent magnet synchronous motor; the rectifier bridge is composed of three groups of diode groups connected in parallel, each group of diode The group is composed of two diodes in series, and the connection between the two diodes of the three groups of diodes is connected to the voltage source; the three groups of diodes are connected in parallel to output the rectified voltage V dc ; ...
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