nanpiao 发表于 2015-12-31 11:13

家电温升限值表3括号内数值是什么意思，家电GB4706.1-2005/IEC60335-1

GB4706.1-2005/IEC60335-1 温升限值表3括号内数值是什么意思？谢谢。
75（65）

llldq 发表于 2015-12-31 12:03

标准上有的：
To allow for the fact that the average temperature of windings of universal motors, relays, solenoids and
similar components is usually above the temperature at the points on the windings where thermocouples are
placed, the figures without parentheses apply when the resistance method is used and those within
parentheses apply when thermocouples are used. For windings of vibrator coils and a.c. motors, the figures
without parentheses apply in both cases.
......
简单来说，基本上括号内的适用于热电偶发，括号外适用于电阻法

nanpiao 发表于 2015-12-31 12:24

llldq 发表于 2015-12-31 12:03 static/image/common/back.gif
标准上有的：
To allow for the fact that the average temperature of windings of universal motors, re ...

谢谢，原来标准上有写，是我没注意

ylgc123 发表于 2016-1-4 10:02

一个热电偶法、一个电阻法，表格最后的备注里有~
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