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Modular Power Sharing Control for Bearingless Multithree Phase Permanent Magnet Synchronous Machine

IEEE Transactions on Industrial Electronics, ISSN: 1557-9948, Vol: 69, Issue: 7, Page: 6600-6610
2022
  • 11
    Citations
  • 0
    Usage
  • 4
    Captures
  • 0
    Mentions
  • 0
    Social Media
Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    11
    • Citation Indexes
      11
  • Captures
    4

Article Description

This article proposes a modular approachto the power sharing control of permanent magnet synchronous bearingless machine. The selected machine topology features a winding layout with phases distributed into nonoverlapping three phase groups, a solution whose twofold aim is to increase the fault tolerance and to allow for the radial force generation. The three phase subwindings are supplied by standard three-phase inverter, leading to a modular system architecture. A throughout explanation of the methodology used to develop the control algorithm is presented considering the torque and force control in combination with the power sharing management of the machine. Special emphasis is placed on validating the modeling hypotheses based on a finite element characterization of the machine electro-mechanical behavior. The proposed control strategy is also extended to cater the possibility of one or more inverters failure, thus validating the intrinsic advantage of the redundancy obtained by the modularity of the system. An extensive experimental test campaign is finally carried out on a prototyped multi three-phase permanent magnet synchronous drive. The obtained results validate the bearingless power sharing operation in healthy and faulty scenarios, both at steady state and under extreme transient condition.

Bibliographic Details

Zhuang Wen; Mauro Di Nardo; Alessandro Marfoli; Michele Degano; Pericle Zanchetta; Chris Gerada; Giacomo Sala; Giorgio Valente

Institute of Electrical and Electronics Engineers (IEEE)

Engineering

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