High efficiency SRM drive using a current source inverter

Tomohiro Takahashi, Takanori Nagai, Kan Akatsu

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4 Citations (Scopus)

Abstract

This paper proposes a high efficiency Switched Reluctance Motor (SRM) driving method using a Current Source Inverter (CSI). Usually the SRM is driven by a Voltage Source Inverter (VSI) and the torque is controlled by a current hysteresis control. However, disadvantages of these drives are that the current rising time is slow and the large current ripple is caused because of the large and non-linear inductance which generate large back-EMF. On the other hand, the CSI drive for SRM has some advantages that fast di/dt is realized and the constant current can be added in the period of the inductance increases. In this paper, a CSI for SRM drive is described and the efficiency of the motor and the inverter are measured. Consequently, the efficiency of the whole motor drive system is improved 2% by the proposed SRM drive technique in comparison with the conventional SRM drive. Further, by using the speed changeable gate drive circuit, the surge voltage of the CSI is reduced.

Original languageEnglish
Title of host publication1st International Future Energy Electronics Conference, IFEEC 2013
PublisherIEEE Computer Society
Pages223-228
Number of pages6
ISBN (Print)9781479900718
Publication statusPublished - 2013
Event1st International Future Energy Electronics Conference, IFEEC 2013 - Tainan
Duration: 2013 Nov 32013 Nov 6

Other

Other1st International Future Energy Electronics Conference, IFEEC 2013
CityTainan
Period13/11/313/11/6

Fingerprint

Reluctance motors
Inductance
Electric potential
Hysteresis
Torque
Networks (circuits)

Keywords

  • Current Source Inverter
  • Gate drive circuit
  • Switched Reluctance Motor

ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering

Cite this

Takahashi, T., Nagai, T., & Akatsu, K. (2013). High efficiency SRM drive using a current source inverter. In 1st International Future Energy Electronics Conference, IFEEC 2013 (pp. 223-228). [6687507] IEEE Computer Society.

High efficiency SRM drive using a current source inverter. / Takahashi, Tomohiro; Nagai, Takanori; Akatsu, Kan.

1st International Future Energy Electronics Conference, IFEEC 2013. IEEE Computer Society, 2013. p. 223-228 6687507.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Takahashi, T, Nagai, T & Akatsu, K 2013, High efficiency SRM drive using a current source inverter. in 1st International Future Energy Electronics Conference, IFEEC 2013., 6687507, IEEE Computer Society, pp. 223-228, 1st International Future Energy Electronics Conference, IFEEC 2013, Tainan, 13/11/3.
Takahashi T, Nagai T, Akatsu K. High efficiency SRM drive using a current source inverter. In 1st International Future Energy Electronics Conference, IFEEC 2013. IEEE Computer Society. 2013. p. 223-228. 6687507
Takahashi, Tomohiro ; Nagai, Takanori ; Akatsu, Kan. / High efficiency SRM drive using a current source inverter. 1st International Future Energy Electronics Conference, IFEEC 2013. IEEE Computer Society, 2013. pp. 223-228
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AB - This paper proposes a high efficiency Switched Reluctance Motor (SRM) driving method using a Current Source Inverter (CSI). Usually the SRM is driven by a Voltage Source Inverter (VSI) and the torque is controlled by a current hysteresis control. However, disadvantages of these drives are that the current rising time is slow and the large current ripple is caused because of the large and non-linear inductance which generate large back-EMF. On the other hand, the CSI drive for SRM has some advantages that fast di/dt is realized and the constant current can be added in the period of the inductance increases. In this paper, a CSI for SRM drive is described and the efficiency of the motor and the inverter are measured. Consequently, the efficiency of the whole motor drive system is improved 2% by the proposed SRM drive technique in comparison with the conventional SRM drive. Further, by using the speed changeable gate drive circuit, the surge voltage of the CSI is reduced.

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