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    • 1. 发明授权
    • Inverter surge-resistant insulated wire
    • 逆变器耐浪涌绝缘电线
    • US09224523B2
    • 2015-12-29
    • US14500414
    • 2014-09-29
    • FURUKAWA ELECTRIC CO., LTD.FURUKAWA MAGNET WIRE CO., LTD.
    • Daisuke MutoHideo FukudaKeiichi TomizawaSatoshi Naka
    • H01B3/30H01B7/00H01B7/02H01B3/42H01B13/06H02K3/30
    • H01B7/0283H01B3/307H01B3/427H01B13/065H02K3/30Y02T10/641
    • An inverter surge-resistant insulated wire, having at least one baked enamel layer around the outer periphery of a conductor, and an extrusion-coated resin layer at the outside of the baked enamel layer, wherein a total thickness of the baked enamel layer and the extrusion-coated resin layer is 50 μm or more, a thickness of the baked enamel layer is 60 μm or less, and a thickness of the extrusion-coated resin layer is 200 μm or less, wherein the minimum of tensile elastic modulus of the extrusion-coated resin layer at a range of 25 to 250° C. is 100 MPa or more, wherein a dielectric constant of an insulation layer having a combination of the baked enamel layer and the extrusion-coated resin layer is 3.5 or less at 25° C. and 5.0 or less at 250° C., and wherein a relation between dielectric constant (∈1′) of the baked enamel layer at 250° C. and dielectric constant (∈2′) of the extrusion-coated resin layer at 250° C. satisfies (∈2′/∈1′)>1.
    • 一种逆变器耐电绝缘线,其具有在导体的外周周围的至少一个烘烤搪瓷层和在烘烤搪瓷层外侧的挤出涂覆的树脂层,其中,烘烤搪瓷层和 挤出涂布树脂层的厚度为50μm以上,烘烤搪瓷层的厚度为60μm以下,挤出涂布树脂层的厚度为200μm以下,其中挤出的拉伸弹性模量的最小值 在25〜250℃的范围内的涂布树脂层为100MPa以上,其中,具有烘烤搪瓷层和挤出被覆树脂层的组合的绝缘层的介电常数在25°下为3.5以下 在250℃下为5.0以下,并且其中在250℃下烘烤的搪瓷层的介电常数(∈1')与挤出涂布的树脂层的介电常数(∈2')之间的关系在 250℃满足(∈2'/∈1')> 1。