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Nezof 发表于 2013-10-7 09:39
' G8 q; c: B$ B; ^7 q6 P) @) V两个标准年份不一样,可能还没更新吧
w$ C2 t: b: l0 }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* X3 E! M0 ]9 f9 i5 m
• 225 for aluminium windings and copper/aluminium windings with an aluminium content7 j+ F, X Y: S% J
≥ 85 %,
) p" c$ |$ g- L8 Q4 d9 Z P$ B1 V• 229,75 for copper/aluminium windings with an copper content > 15 % to < 85 %,$ w* b8 \. p4 e$ l% t+ c
• 234,5 for copper windings and copper/aluminium windings with an copper content
1 I+ Q$ H+ ?5 q) Q' S≥ 85 %; |
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