Modeling and Bumpless Switching Control of Symmetrical Dual Three-Phase PMSM in Two Operating Modes

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Abstract

This paper presents a frequency-domain model of the symmetrical dual three-phase permanent magnet synchronous machine (PMSM) in two working modes. Compared with traditional time-domain model, the presented frequency-domain model has simple expression and can be easily used in control system design and compensation. Furthermore, a frequency-model-based field oriented control (FOC) scheme for this machine is proposed. In this control scheme, parameters of proportional-integral (PI) controllers are analytically designed which can flexibly adjust the steady and dynamic performance of the entire closed-loop system. Moreover, this control strategy allows the drive system to bumpless switch between two operating modes without stopping. Finally, the developed control scheme was verified via simulations and experiments.

Original languageEnglish
Pages (from-to)304-319
Number of pages16
JournalElectric Power Components and Systems
Volume48
Issue number3
DOIs
StatePublished - 7 Feb 2020

Keywords

  • bumpless switching control
  • dual three-phase
  • frequency-domain
  • permanent magnet synchronous machine (PMSM)
  • proportional-integral (PI) controller

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