Fe group amorphous magnetic core for saturable reactor and manufacture thereof

Abstract

Abstract PURPOSE:To reduce the dispersion of control magnetizing characteristics by constituting the title amorphous magnetic core of a specific amorphous alloy thin-band and bringing overall control magnetizing force at 50KHz and uncontrollable magnetic flux density to specific values. CONSTITUTION:The title amorphous magnetic core is shown in formula I, M represents at least one kind of an element selected from Mo, Nb, Ta, W in the formula, and the magnetic core is composed of an amorphous alloy thin-band having the relationship of 0.005<=a+b<=0.05, 2<=x<=6, y<=19, 7<=z<=25 and 20<=x+y+z<=30. Overall control magnetizing force Hr at 50 KHz extends over 20A/m or less and uncontrollable magnetic flux density DELTABd over 0. 2T or less. Ni or Ci is an essential element and reduces uncontrollable magnetic flux density DELTABd, and has an effect that a control range is extended and an effect that dispersion is minimized. Accordingly, the dispersion of the control magnetizing characteristics or the Fe group amorphous magnetic core which has been insufficient can be lowered.

Inventors

• 👤 Katsuto Yoshizawa
• 👤 克仁 吉沢
• 👤 Susumu Nakajima
• 👤 晋 中島
• 👤 Kiyotaka Yamauchi
• 👤 山内　清隆

Bibliographic Details