Problem with permanent magnet synchronous machine simulink

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SUMMARY

The discussion centers on a user experiencing issues with a simulation of a permanent magnet synchronous machine (PMSM) in Matlab-Simulink, specifically within the Simscape environment. The user reports that when attempting to input a constant negative torque for generator mode, the simulation fails, resulting in an infinite current from the rectifier. Key points include the need for proper rectifier connections and the implications of using a 3-phase PMSM model, which may require a neutral connection for accurate simulation.

PREREQUISITES
  • Familiarity with Matlab-Simulink and Simscape
  • Understanding of permanent magnet synchronous machine (PMSM) operation
  • Knowledge of rectifier configurations in electrical simulations
  • Basic principles of torque input and generator mode functionality
NEXT STEPS
  • Investigate proper rectifier configurations for 3-phase PMSM in Simulink
  • Learn about the implications of neutral connections in PMSM simulations
  • Explore methods to limit charging current in Matlab-Simulink
  • Review the documentation for the PMSM model in Simscape for detailed setup instructions
USEFUL FOR

Electrical engineers, simulation specialists, and anyone involved in modeling and simulating permanent magnet synchronous machines using Matlab-Simulink.

andrea-94
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Hi I would ask someone that is pratical with Simulink in particular of Simscape about a problem which involve my simulation in Matlab-Simulink of a permanent magnet synchronous machine that is connected, by a rectifier, to a DC current source.
all the blocks of the simuation are included into the Simulink library.
I try to input a constant torque in the PMSM (which has to be negative sign to use in generator mode) but the simulation doesn't woek and the current of the rectifier is infinite.
thank's everybody I hope someone colud help me.
 
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