D- And Q-Axis Inductance Estimation and Self-Sensing Condition Monitoring Using 45° Angle High-Frequency Injection

Ye Gu Kang, David Reigosa, Bulent Sarlioglu, Robert D. Lorenz

Research output: Contribution to journalArticlepeer-review

16 Scopus citations

Abstract

This article proposes a high-frequency injection based dq-inductance estimation technique for synchronous machines. The d- and q-axis inductance is estimated using a single HFI between d and q axes, i.e., 45circ injection angle. The d- and q-axis incremental inductance variation over four quadrants dq-plane operating condition is evaluated. The proposed technique can operate in real-time without a controlled position or velocity from the load side. Neither previous knowledge of machine parameters nor computationally expensive regression processes are required. The proposed technique can be used to evaluate the sensitivity of inductive saliency based self-sensing to determine preferable self-sensing operating conditions for permanent magnet synchronous machines.

Original languageEnglish
Article number9219232
Pages (from-to)506-515
Number of pages10
JournalIEEE Transactions on Industry Applications
Volume57
Issue number1
DOIs
StatePublished - 1 Jan 2021

Keywords

  • High-frequency injection (HFI)
  • incremental inductance estimation
  • surface permanent magnet synchronous machine (SPMSM)

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