Magnetizing process control for compensation ferrometers

The magnetomotive force (MMF) compensation method is the powerful one for the measurement of open specimen soft magnetic materials parameters at AC magnetization. Although the effective control of the MMF compensation magnetizing process is relatively complicated, the other compensation method properties make this method excellent for precise absolute measurements. Compensation ferrometers (SSTs based on the compensation method) could be improved by more efficient magnetizing process control. This paper deals with the magnetizing process regulator based on the model of the compensation ferrometer magnetizing equipment. The regulator design, its properties, implementation and results of the measurements with described regulator are presented in this paper. The regulator improves the precision of the hysteresis loop measurement by more than ten times. It could be simplified for the IEC method magnetizing equipment.