無方向性電磁鋼板の板厚がインバータ励磁下での鉄損に及ぼす影響

カテゴリ: 論文誌(論文単位)

グループ名: 【A】基礎・材料・共通部門

発行日: 2018/07/01

タイトル(英語): Influence of Thickness of Non-oriented Electrical Steel on Iron loss under Inverter Excitation

著者名: 上坂　正憲（JFEスチール（株） スチール研究所），千田　邦浩（JFEスチール（株） スチール研究所），大村　健（JFEスチール（株） スチール研究所），岡部　誠司（JFEスチール（株） スチール研究所）

著者名(英語): Masanori Uesaka (Steel Research Laboratory, JFE Steel Corporation), Kunihiro Senda (Steel Research Laboratory, JFE Steel Corporation), Takeshi Oomura (Steel Research Laboratory, JFE Steel Corporation), Seiji Okabe (Steel Research Laboratory, JFE Steel Cor

キーワード: インバータ，PWM制御，無方向性電磁鋼板，板厚，鉄損，高調波　　inverter，pulse width modulation，non-oriented electrical steel，thickness，iron loss，harmonic

要約(英語): This paper shows that the influence of thickness of non-oriented electrical steels on the iron loss under PWM inverter excitation. It is already known that the iron loss under PWM inverter excitation is higher than the iron loss under sinusoidal excitation. We evaluated the iron loss of non-oriented electrical steels having various thicknesses under PWM inverter excitation in comparison to a sinusoidal excitation. The difference of the iron loss between inverter excitation and sinusoidal excitation is increased with the increase in material thicknesses. This tendency became marked in low carrier frequencies and low modulation factors. From the FFT analysis on flux waveforms, it was found that the high-harmonic component amplitudes in flux waveforms were increased with decreasing carrier frequencies and modulation factors, which resulted in the increase in eddy current losses, especially in thicker electrical steels.

本誌: 電気学会論文誌A（基礎・材料・共通部門誌） Vol.138 No.7 （2018）

本誌掲載ページ: 367-372 p

原稿種別: 論文／日本語

電子版へのリンク: https://www.jstage.jst.go.jp/article/ieejfms/138/7/138_367/_article/-char/ja/