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EFFECTS OF TEMPERATURE AND TENSILE STRESS ON THE MAGNETIC PROPERTIES OF A STEEL CORE FROM AN ACSR CONDUCTOR

, , и . IEEE Transactions on Power Delivery, 11 (4): 1907-1913 (1996)

Аннотация

To calculate the radial current distribution and core loss within a concentric-lay steel-cored conductor, the magnetic properties of the core must be known for any service condition. The paper describes comprehensive measurements on a length of the steel core taken from a 54/3.77 mm + 19/2.24 mm (Grackle) ACSR conductor. cw:a are given to illustrate the effects of magnetic field stre91, tensile stress and temperature on the modulus, real and imaginaiy parts of the complex relative permeability, the hysteretic angle, the loss tangent, the total core loss and the hysteresis loss.

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