Difference in iron loss and magnetic characteristics for magnetic excitation by PWM inverter and linear amplifier

Keisuke Fujisaki, Ryou Yamada, Takahiro Kusakabe

研究成果: Article査読

15 被引用数 (Scopus)

抄録

Iron loss in two kinds of electrical steel, which have the same iron loss in case of conventional linear amplifier excitation but different thickness, is found to have a difference of 10%-20% in case of PWM inverter excitation, which is often used in a motor drive control system. The PWMinverter has many time harmonics in the output voltage, whereas the linear amplifier does not. The difference in iron loss is not always ignored while considering the electrical steel grade in commercial catalogs and the JIS (Japanese Industrial Standards). Since the iron loss also increases by about 10%-60% in PWM inverter excitation, a material evaluation system and a method for reducing iron loss are considered to be important.

本文言語English
ページ(範囲)69-76
ページ数8
ジャーナルIEEJ Transactions on Industry Applications
133
1
DOI
出版ステータスPublished - 2013 2 4

ASJC Scopus subject areas

  • Industrial and Manufacturing Engineering
  • Electrical and Electronic Engineering

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