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发表于 2013-10-7 09:54
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Nezof 发表于 2013-10-7 09:39
7 v4 K5 }" x, ] B" d% g, p$ O两个标准年份不一样,可能还没更新吧 5 }# F6 A" ]: ?* o2 m& F/ G
60335-1 © IEC:2010 里面第36页有这么一句话,可以算答案吗?-----k is equal to. T, Y1 W# f# J6 f
• 225 for aluminium windings and copper/aluminium windings with an aluminium content4 ?, V# J7 B- w) I4 n1 D- \7 n/ c
≥ 85 %,0 W0 I' ]. W; T; k: e
• 229,75 for copper/aluminium windings with an copper content > 15 % to < 85 %,4 b# N+ O9 \/ M0 ^
• 234,5 for copper windings and copper/aluminium windings with an copper content! | ~& i: L1 K. A* W, x
≥ 85 %; |
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