IDEAS home Printed from https://ideas.repec.org/a/gam/jeners/v14y2021i18p5626-d630888.html
   My bibliography  Save this article

Phase Current Measurement Method of Dual Inverter-Motor Drive System Using a Single DC Link Current Sensor

Author

Listed:
  • Seon-Ik Hwang

    (Department of Electrical Engineering, Pusan National University, Busan 46241, Korea)

  • Seong-Hyeon Cho

    (Advanced Electricfication Engineering Design Team, Hyundai Motor Company, Hwaseong 18280, Korea)

  • Jun-Hyung Jung

    (Chair of Power Electronics, Kiel University, 24143 Kiel, Germany)

  • Jang-Mok Kim

    (Department of Electrical Engineering, Pusan National University, Busan 46241, Korea)

Abstract

In recent years, electric propulsion systems have become widely, used and these systems have strict limits in volume and weight. Therefore, it is necessary to reduce the weight of the inverter-motor drive system. In a typical n inverter-motor drive system, at least 2 n phase current sensors are required. In order to reduce the number of phase current sensors, this paper proposes a method for measuring phase current using n DC link current sensors in a 2 n inverter-motor drive system. Two phase currents per inverter-motor system are measured during one period of the switching frequency using the pulse width modulation (PWM) shift method. However, since the measured phase current contains an error component in the average current, the error component was compensated for in order to obtain a current similar to the actual phase current by using the slope and dwell time of the phase current. The effectiveness of the proposed method is verified through experiments.

Suggested Citation

  • Seon-Ik Hwang & Seong-Hyeon Cho & Jun-Hyung Jung & Jang-Mok Kim, 2021. "Phase Current Measurement Method of Dual Inverter-Motor Drive System Using a Single DC Link Current Sensor," Energies, MDPI, vol. 14(18), pages 1-19, September.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:18:p:5626-:d:630888
    as

    Download full text from publisher

    File URL: https://www.mdpi.com/1996-1073/14/18/5626/pdf
    Download Restriction: no
    File URL: https://www.mdpi.com/1996-1073/14/18/5626/
    Download Restriction: no
    ---><---

    References listed on IDEAS

    as
    1. Chang-Hwan Park & Dong-Youn Kim & Han-Beom Yeom & Yung-Deug Son & Jang-Mok Kim, 2019. "A Current Reconstruction Strategy Following the Operation Area in a 1-Shunt Inverter System," Energies, MDPI, vol. 12(8), pages 1-16, April.
    Full references (including those not matched with items on IDEAS)

    Most related items

    These are the items that most often cite the same works as this one and are cited by the same works as this one.

      Corrections

      All material on this site has been provided by the respective publishers and authors. You can help correct errors and omissions. When requesting a correction, please mention this item's handle: RePEc:gam:jeners:v:14:y:2021:i:18:p:5626-:d:630888. See general information about how to correct material in RePEc.

      If you have authored this item and are not yet registered with RePEc, we encourage you to do it here. This allows to link your profile to this item. It also allows you to accept potential citations to this item that we are uncertain about.

      If CitEc recognized a bibliographic reference but did not link an item in RePEc to it, you can help with this form .

      If you know of missing items citing this one, you can help us creating those links by adding the relevant references in the same way as above, for each refering item. If you are a registered author of this item, you may also want to check the "citations" tab in your RePEc Author Service profile, as there may be some citations waiting for confirmation.

      For technical questions regarding this item, or to correct its authors, title, abstract, bibliographic or download information, contact: MDPI Indexing Manager (email available below). General contact details of provider: https://www.mdpi.com .

      Please note that corrections may take a couple of weeks to filter through the various RePEc services.

      IDEAS is a RePEc service. RePEc uses bibliographic data supplied by the respective publishers.