Share of Additional Losses in Total Core Losses in the Remagnetization Process of Amorphous FeB-Based Alloys

Abstract

In the process of remagnetization of magnetic materials at certain frequencies, there are losses that reduce their energy expenditure, which are referred to as total losses. These losses include hysteresis loop losses, eddy current losses, and additional losses. The factor of additional losses is very often overlooked. Its contribution to total losses is considered to be marginal. Even in the case of materials showing the minimization of total losses, such as amorphous materials, this loss factor is important and should not be neglected when studying this phenomenon. The paper presents the results of tests on remagnetization losses of a ferromagnetic amorphous alloy at frequencies from 50 to 1000 Hz. The share of additional losses was separated, and their total contribution to total core losses was determined as a percentage.