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Nezof 发表于 2013-10-7 09:39
$ L7 W( p' n, j) w4 Z! z* X两个标准年份不一样,可能还没更新吧
5 X4 s% k9 m9 S, G3 ]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
0 _3 H) q3 W) B9 T. {1 M• 225 for aluminium windings and copper/aluminium windings with an aluminium content
) z3 Z+ c4 e2 l8 r' P≥ 85 %,
. O5 d) ]- a! L8 V8 R. P& [* _• 229,75 for copper/aluminium windings with an copper content > 15 % to < 85 %,
/ V' M0 a, k. @& Q" H4 N$ s! z9 M• 234,5 for copper windings and copper/aluminium windings with an copper content
, q( ?, K7 \, P$ L& q≥ 85 %; |
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