Experimental study on a restarting procedure at coasting condition for a rotational angle sensorless PMSM

Takuya Horie, Keiichiro Kondo

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

A permanent magnet synchronous motor (PMSM) rotational angle sensorless control system can have a problem with restarting when coasting. A coasting restart method has been proposed that uses the information of the three-phase short circuit current. However the coasting restart conditions of the one-time three-phase short circuit method have not been revealed. This study examined the restart conditions for a rotational angle sensorless PMSM when coasting. In the experimental tests, the duration of the three-phase short circuit was varied to examine its effect on the estimated rotor angle and rotor speed. The experimental test results were numerically analyzed to quantify the effect of the short circuit duration, because the error was caused by linearization of the estimation equation. We propose an enhanced method that considers the time response of the three-phase short circuit current. The proposed method was verified experimentally.

Original languageEnglish
Pages (from-to)131-137
Number of pages7
JournalIEEJ Journal of Industry Applications
Volume3
Issue number2
DOIs
Publication statusPublished - 2014 Jan 1
Externally publishedYes

Fingerprint

Synchronous motors
Short circuit currents
Permanent magnets
Rotors
Linearization
Control systems

Keywords

  • Permanent magnet synchronous motor
  • Rotational sensorless control
  • Starting procedure in rotating condition

ASJC Scopus subject areas

  • Automotive Engineering
  • Energy Engineering and Power Technology
  • Mechanical Engineering
  • Industrial and Manufacturing Engineering
  • Electrical and Electronic Engineering

Cite this

Experimental study on a restarting procedure at coasting condition for a rotational angle sensorless PMSM. / Horie, Takuya; Kondo, Keiichiro.

In: IEEJ Journal of Industry Applications, Vol. 3, No. 2, 01.01.2014, p. 131-137.

Research output: Contribution to journalArticle

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