| 摘要 |
<p>PURPOSE:To improve snow melting effect in a low current transmitting area by using the wire rod of Fe-Ni system alloy as the snow melting material of an aerial transmission line. CONSTITUTION:Material formed with Fe-Ni system alloy and having the hysteresis loss of 50KG.Oe or more in the magnetic field of 100e with the coercive force of 2-20Oe is set as snow melting material, and is wound up on a transmission line, and is used. As such materials, for example, there are materials including the Ni of 4-25weight%, the C of 0.1weight% or less, one or two kinds or more of the Si, Mn, and Al of 1weight% or less, and the residual section of Fe. Temperature rise by these materials is shown in the curve of No.3 and heat generation in a low current transmitting area is more than that in conventional products shown in No.6 and No.8.</p> |
