Study on continued operation for the direct-current power-supply loss for a rotation-angle sensorless PMSM

Soichiro Kurita, Takuya Horie, Keiichiro Kondo

Research output: Contribution to journalArticle

Abstract

The interruption of a power supply is one of major technical issues for rotation-angle sensorless control of PMSMs. This causes the inverter operation to stop owing to the voltage drop in the filter capacitor (FC). In order to solve this technical issue, a method is proposed to continue the rotation-angle estimation over a wide speed range and for all types of powe-supply losses. The proposed method is to control the FC voltage in order to continue the operation of the inverter. This method is also applicable, even in the field-weakening control range, by preventing the increase in the FC voltage after power-supply interruption. Experimental results verify that the PMSMs are able to continue operation, even after power-supply interruption over a wide speed range. The results contribute to the increase in opportunities for the application of simple and high-performance PMSM drive systems to various fields.

Original languageEnglish
Pages (from-to)654-661
Number of pages8
JournalIEEJ Transactions on Industry Applications
Volume135
Issue number6
DOIs
Publication statusPublished - 2015 Jan 1
Externally publishedYes

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Capacitors
Electric potential
Sensorless control
Voltage drop

Keywords

  • Permanent magnet synchronous motor
  • Power supply loss
  • Rotation angle sensorless control

ASJC Scopus subject areas

  • Industrial and Manufacturing Engineering
  • Electrical and Electronic Engineering

Cite this

Study on continued operation for the direct-current power-supply loss for a rotation-angle sensorless PMSM. / Kurita, Soichiro; Horie, Takuya; Kondo, Keiichiro.

In: IEEJ Transactions on Industry Applications, Vol. 135, No. 6, 01.01.2015, p. 654-661.

Research output: Contribution to journalArticle

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