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The paper proposes a symmetrical six-phase PMSM two-motor drive system which consists of a six-phase PMSM series-connected with a three-phase PMSM driven by a single inverter. This enables full decoupling vector control of the two machines. Detailed mathematical modeling of the system is presented. A simulation model with vector control is constructed by Matlab/simulink. The simulation results show...
Multiphase multi-motor series-connected drive system can achieve independent operating supplied from a single inverter, which has obvious advantages of save inverter legs and space of the system. The dynamic response speed and overshoot is contradictory and the system is weak in terms of anti-interference in classical PI speed regulator. In this paper, an active disturbance rejection controller (ADRC)...
With the development of information and automation techniques, dynamic voltage problems are once again in the spotlight. As an important custom power device, DVR is powerful in solving these power quality problems. In order to propel the further study of DVR, the main methods and achievements of DVR in control strategy of inverter and rectifier, are surveyed in this paper after investigating a large...
This paper studies the effect of the inverterpsilas dead time on the dynamic characteristics of the Permanent Magnetic Synchronous Motor (PMSM) systems. Considering the harmonic magnetic field, the state space model and transfer function are given for the PMSM system. Furthermore, the effect of the dead-time on the output voltage of inverter is analyzed. The mathematical model, considering the dead-time...
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