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Non-oriented electrical steel, 30ZH105, was purchased from Nippon Steel Corporation. The steel has been widely used in rotating motor, small transformer, and electro-mechanical equipment cores. Because the noise generated from the steel core usually imposes an environment issue, in this study, we focus on the magnetic and magneto-mechanical studies of the 30ZH105 steel. Saturation magnetization (4πM...
This study investigates extremely low noise level for three-phase three-limb transformer core, which the magnetostriction variation effect of external stress on three-phase power transformer core, with capacity of 450kVA, which induced different noise and vibration variation, is performed. It has constructed special two types of square-cored and D-yoked core power transformers and to measure magnetic...
This paper investigates the magnetic properties of Fe-based amorphous material Metglas® 2605-HB1, SA1, and new high induction HB1-M amorphous material around 1.64 Tesla, which one of core component structured with hybrid thin film materials is obtained. Different core types in constructive modeling and magnetic field simulation are studied by the finite element method (FEA). According to the simulation...
This paper presents high permeability ferromagnetic-cored distribution transformer with capacity of 1MVA, including amorphous HB1, SA1 core and silicon steel core. This paper also outlines experimental results effects of the magnetic properties of magnetostriction on ferromagnetic cores in order to compare with the simulated model for each magnetic core by FEA results, is analyzed. An approach is...
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