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變壓器和感應電機的絕緣材料可以分為多少個等級?

發表時間:2021-10-28 18:16【 閱讀量:-查看手機網址
掃一掃!變壓器和感應電機的絕緣材料可以分為多少個等級?掃一掃!

    變壓器和電動機中使用的絕緣材料根據耐溫能力進行分類。

    變壓器和感應電機中使用的一些絕緣等級是:Y級、A級、E級、B級、F級、H級和C級。

    Y級:

    ·此類絕緣子的最高熱點溫度為90oC

    ·使用的一些材料是棉,絲綢,紙,沒有浸漬的木頭

    A類:

    ·此類絕緣體的最高熱點溫度為105oC

    ·適當浸漬的棉花、絲綢和紙是所用材料的類型

    E級:

    ·熱點溫度為120oC

    ·具有熱穩定性的材料,可在高于A級15oC的溫度下運行。例如:電線、搪瓷等

    B類:

    ·最高熱點溫度為130oC

    ·云母、玻璃纖維、石棉等具有合適的浸漬或涂層物質

    F級:

    ·熱點溫度為155oC

    ·云母、玻璃、石棉等具有合適的粘合浸漬或涂層物質,能夠承受高于B級25oC的溫度

    H類:

    ·最高熱點溫度180oC

    ·適當粘合的云母、玻璃纖維、石棉等材料的組合

    C類:

    ·熱點溫度高于180oC

    ·含或不含無機粘合劑的云母、瓷器、玻璃、石英和石棉

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