下表列出銅、鋁和鋁鎂硅合金(aldrey)的溫度系數(shù)α和T值

。制造廠 應(yīng)說明所用導體材料的α或T值。
α和T的值

主線圈在試驗結(jié)束時的溫度θ2應(yīng)用下列公式計算:

式中 θ2、R2--試驗結(jié)束時的溫度和電阻;
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