Dynamics of a minimum DC link voltage driving method to reduce system loss for hybrid electric vehicles

Jongwon Heo, Kentaro Matsuo, Pisithkun Hen, Keiichiro Kondo

研究成果: Conference contribution

6 被引用数 (Scopus)

抄録

In the proposed method, inverter DC link voltage is controlled in proportion to the motor terminal voltage rather than maintaining a constant value. The motor can be driven at lower voltage and driving point remains at where current is at its smallest so system losses can be reduced. In this paper, in order to realize such control method, it is studied about the transient state and the DC link voltage controller gain. A sudden change in the DC link voltage during transient state can cause the vibration to the battery current. But rapid convergence to the target voltage is required for high speed torque response. It is confirmed that there is a trade-off relationship between the torque response speed and the battery current stability depending on the proportional gain of the DC link voltage controller. And the dynamics are verified by scale down experimental system with a motor rated 1kW.

本文言語English
ホスト出版物のタイトル2017 IEEE International Electric Machines and Drives Conference, IEMDC 2017
出版社Institute of Electrical and Electronics Engineers Inc.
ISBN(電子版)9781509042814
DOI
出版ステータスPublished - 2017 8 3
外部発表はい
イベント2017 IEEE International Electric Machines and Drives Conference, IEMDC 2017 - Miami, United States
継続期間: 2017 5 212017 5 24

Other

Other2017 IEEE International Electric Machines and Drives Conference, IEMDC 2017
国/地域United States
CityMiami
Period17/5/2117/5/24

ASJC Scopus subject areas

  • エネルギー工学および電力技術
  • 電子工学および電気工学
  • 機械工学

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