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author:

Pan, B. (Pan, B..) [1] | Zhou, Y. (Zhou, Y..) [2] (Scholars:周扬忠) | Zhong, T. (Zhong, T..) [3] (Scholars:钟天云)

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EI Scopus PKU CSCD

Abstract:

The existing model predictive torque control (MPTC) for six-phase and three-phase permanent magnet synchronous motor (PMSM) series-connected system has some problems, such as heavy calculation burden and poor effect of zero-sequence current suppression. To solve these problems, a MPTC with predictive switching table was proposed in this paper. In order to improve the calculation efficiency of the core processor, a predictive switching table is constructed based on the basic principle of direct torque control. Only several basic voltage vectors are preselected to participate in the control of two PMSMs, reducing the alternative voltage vectors. In order to effectively suppress the zero-sequence current, a zero-sequence current suppression strategy was proposed. All the preselected basic voltage vectors were synthesized into virtual voltage vectors with zero-sequence voltage equal to given value, so that the optimal virtual voltage vector selected by the predictive algorithm could meet the control requirements of the system for zero-sequence current. Experimental results verify the feasibility and effectiveness of proposed control strategy. ©2022 Chin.Soc.for Elec.Eng.

Keyword:

direct torque control model predictive torque control multi-motor series-connected system predictive switching table virtual voltage vector zero-sequence current

Community:

  • [ 1 ] [Pan, B.]Fujian Key Laboratory of New Energy Generation and Power Conversion, Fuzhou University, Fujian Province, Fuzhou, 350116, China
  • [ 2 ] [Zhou, Y.]Fujian Key Laboratory of New Energy Generation and Power Conversion, Fuzhou University, Fujian Province, Fuzhou, 350116, China
  • [ 3 ] [Zhong, T.]Fujian Key Laboratory of New Energy Generation and Power Conversion, Fuzhou University, Fujian Province, Fuzhou, 350116, China

Reprint 's Address:

  • 周扬忠

    [Zhou, Y.]Fujian Key Laboratory of New Energy Generation and Power Conversion, Fujian Province, China

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Source :

Proceedings of the Chinese Society of Electrical Engineering

ISSN: 0258-8013

CN: 11-2107/TM

Year: 2022

Issue: 18

Volume: 42

Page: 6846-6855

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 2

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