High Performance 84-Pulse Driver for Speed Control of Permanent Magnet Synchronous Motors
Keywords:
Permanent magnet synchronous motor, Speed control, Power electronics, Multipulse convertersAbstract
Permanent Magnet Synchronous Motors (PMSMs) are widely employed in high-performance industrial On this paper we mention that Permanent Magnet Synchronous Motors (PMSMs) are widely employed in high-performance industrial applications due to their high efficiency, high power density, and excellent controllability. The overall performance of PMSM drive systems is strongly influenced by the interaction between the control strategy and the power electronic converter. This paper presents a high-performance 84-pulse voltage source converter (VSC) integrated with an advanced speed control strategy for precise PMSM regulation. The proposed approach leverages the increased voltage resolution of the 84-pulse topology to improve dynamic response, reduce torque and voltage ripple, and enhance speed-tracking accuracy under variable operating conditions. A simulation-based design of experiments is conducted to evaluate the combined behavior of the controller and converter across a wide range of speed and load torque profiles. The results demonstrate that, compared with conventional lower-pulse converter topologies, the proposed configuration achieves smoother electromechanical behavior, reduced harmonic distortion, and improved tracking performance, making it well suited for high-precision PMSM drive applications.
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