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Fault-Tolerant Function of DC-Bus Power Source in A Dual Inverter Drive System and Its Operation Characteristics

Fault-Tolerant Function of DC-Bus Power Source in A Dual Inverter Drive System and Its Operation Characteristics

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カテゴリ: 論文誌(論文単位)

グループ名: 【D】産業応用部門(英文)

発行日: 2019/11/01

タイトル(英語): Fault-Tolerant Function of DC-Bus Power Source in A Dual Inverter Drive System and Its Operation Characteristics

著者名: Yoshiaki Oto (Department of Electrical and Electronics Engineering, Faculty of Engineering, Shizuoka University), Toshihiko Noguchi (Department of Electrical and Electronics Engineering, Faculty of Engineering, Shizuoka University)

著者名(英語): Yoshiaki Oto (Department of Electrical and Electronics Engineering, Faculty of Engineering, Shizuoka University), Toshihiko Noguchi (Department of Electrical and Electronics Engineering, Faculty of Engineering, Shizuoka University)

キーワード: fault-tolerant function,dual inverter drive system,open-end winding motor,capacitor voltage control,space vector modulation

要約(英語): The dual inverter drive system feeding an open-end winding permanent magnet (PM) motor has been studied for developing autopilot technologies of hybrid vehicles. Autopilot systems require fault-tolerant functions, which enable it to continue to drive the motor even if some failure occurs in the motor drive system. The fault-tolerant function of a dual inverter drive system, which assumes that the DC-bus battery power source of the dual inverter drive system has failed, is discussed in this paper. In the dual inverter drive system that is considered, both the inverters have a capacitor in parallel with a battery across each DC-bus. The capacitor drives the motor continuously even if the DC-bus battery has failed. The inverter, in which the DC-bus battery has failed, is operated with the capacitor instead of the failed battery. It is required to both control the capacitor voltage at a constant value and simultaneously generate multilevel voltage waveforms across the motor windings with the space vector modulation (SVM). In this paper, the fault-tolerant function of the DC-bus battery in a dual inverter drive system is proposed, and its operation characteristics are examined through several experiments and compared with those of a normal system.

本誌: IEEJ Journal of Industry Applications Vol.8 No.6 (2019)

本誌掲載ページ: 953-959 p

原稿種別: 論文/英語

電子版へのリンク: https://www.jstage.jst.go.jp/article/ieejjia/8/6/8_953/_article/-char/ja/

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