Control Strategy for Five-Phase Dual-Stator Winding Induction Starter/Generator System

Haozhe Liu, Feifei Bu, Wenxin Huang, Lu Liu, Yuwen Hu, Michele Degano, Chris Gerada

Research output: Journal PublicationArticlepeer-review

27 Citations (Scopus)


This paper presents an integrated control strategy for a starter/generator (S/G) system based on five-phase dual-stator winding induction machine (FPDWIM). The FPDWIM has a cage-type rotor and two sets of stator windings. One is a five-phase control winding (CW), and the other is a five-phase power winding (PW). In the starting mode, the FPDWIM works as a motor. The CW provides both active power and reactive power to drive the engine. In the generating mode, the CW mainly handles reactive power while the PW outputs active power. To achieve the integration of the starting and generating controls, indirect CW-flux-oriented control (ICWFOC) to operate in both starting and generating modes is proposed in this paper. In starting mode, the CW current and flux are controlled to output a constant starting torque; while in the generating mode, both CW and PW dc bus voltages are regulated. In this way, the principles and structures of the control strategies in both modes are compatible, resulting in a simpler implementation and improved performance. With the proposed control strategy, the system can complete the starting-generating operation with a smoother transition process. Simulation and experimental results are compared to validate the proposed control strategy.

Original languageEnglish
Article number8703397
Pages (from-to)2607-2617
Number of pages11
JournalIEEE Transactions on Industrial Electronics
Issue number4
Publication statusPublished - Apr 2020


  • Dual-stator winding
  • five phases
  • indirect control winding (CW)-flux-oriented control (ICWFOC)
  • induction machine (IM)
  • smooth transition control
  • starter/generator (S/G)

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Electrical and Electronic Engineering


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