Direct torque control method for six-phase permanent magnet fault-tolerant motor based on torque model prediction
A technology of direct torque control and torque control, applied in motor control, torque ripple control, motor generator control, etc., to achieve good torque control effect, reduce control complexity, and stable output
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[0026] In order to make the technical solutions and advantages of the present invention more clear, the technical solutions in the embodiments of the present invention are clearly and completely described below in conjunction with the drawings in the embodiments of the present invention:
[0027] Such as figure 1 Shown is the topological structure diagram of the surface-mounted six-phase permanent magnet fault-tolerant motor H-bridge inverter. This topology adopts six-phase individual control and no neutral point connection, which can effectively achieve electrical isolation and avoid electrical coupling failures when a fault occurs relative to the normal phase; if figure 2 Shown are the six-phase stationary coordinate system, the two-phase stationary coordinate system and the two-phase rotating coordinate system diagram of the surface-mounted six-phase permanent magnet fault-tolerant motor; image 3 Shown is the voltage vector selected by the surface-mounted six-phase perma...
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