I-f Control with Zero -axis Current Operation for Surface Mounted Permanent Magnet Synchronous Machine Drives

Dunzhi Chen, Kaiyuan Lu, Dong Wang, Marko Hinkkanen

Research output: Contribution to journalArticleScientificpeer-review

4 Citations (Scopus)

Abstract

This paper deals with I-f control of surface mounted permanent magnet synchronous machine (SPMSM) drives. Conventional open-loop I-f control is poorly damped and can only operate stably with positive d-axis current. An I-f control with a new current compensation loop is proposed to achieve stable id=0 operation in this work. The proposed method can be used for startup with a seamless transition to sensorless field-oriented-control (FOC), since id=0 operation is already achieved before switching to FOC. In addition, as the I-f control can now maintain stable id=0 operation against 100% rated load step disturbance from 10% to 100% rated speed, it could be a standalone control scheme for wide-speed-range operations. The proposed method is supported with detailed stability analysis and its performance is verified experimentally on a 2.7-kW SPMSM drive platform.

Original languageEnglish
Pages (from-to)7504-7513
Number of pages10
JournalIEEE Transactions on Power Electronics
Volume38
Issue number6
Early online date17 Feb 2023
DOIs
Publication statusPublished - 1 Jun 2023
MoE publication typeA1 Journal article-refereed

Keywords

  • Control systems
  • efficiency
  • I-f control
  • Mathematical models
  • scalar control
  • sensorless control
  • stability
  • Stators
  • Steady-state
  • surface mounted permanent magnet synchronous machine
  • Switches
  • Torque
  • Voltage control

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