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Improving the Starting Characteristics of Single-Phase Induction Motors with an Auxiliary-Winding Current Control

Improving the Starting Characteristics of Single-Phase Induction Motors with an Auxiliary-Winding Current Control

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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: 2020/01/01

タイトル(英語): Improving the Starting Characteristics of Single-Phase Induction Motors with an Auxiliary-Winding Current Control

著者名: Satoshi Isaka (Tokyo Denki University), Toshiya Yoshida (Tokyo Denki University)

著者名(英語): Satoshi Isaka (Tokyo Denki University), Toshiya Yoshida (Tokyo Denki University)

キーワード: single-phase induction motor,TRIAC,resonant current,starting torque

要約(英語): This paper proposes a novel starting method for single-phase induction motors. Induction motors are unable to obtain sufficient starting torque with only a single-phase source. Therefore, the proposed method increases the starting torque by controlling the auxiliary-winding current with a triode for alternating current (TRIAC) and a very small microcontroller. The auxiliary winding is connected to the main windings via the TRIAC and a small capacitor. The intermittent TRIAC connections provide a pulse current series, i.e., half-cycle waveforms of the resonant current. The fundamental component of this current is sufficiently large and leads the main winding current; hence, a better two-phase current is realized. Thus, the proposed control achieves a large starting torque by utilizing only a small capacitor; it does not use any electrolytic capacitors. The effectiveness of the control is verified by theoretical and experimental methods. The proposed method obtained almost twice the starting torque of the conventional method, using the same capacitor.

本誌: IEEJ Journal of Industry Applications Vol.9 No.1 (2020)

本誌掲載ページ: 2023/11/16 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/9/1/9_11/_article/-char/ja/

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