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qin.cq 发表于 2015-11-3 12:35 ! W# e! }% I$ I
在IEC安规条款中是否有明确定义STEADY CONDITION
$ L) v, Y# M# [) s; P0 L如果没有明确定义,是否可以按个人意识来解释?
1 F- t2 r7 S. @6 aIEC 60335-1 Steady Condition 确实不是定义,但部分特标里会对这个词加以补充。" J3 _' T$ P" w8 F
例:60335-2-24 % a8 h7 i* i! v5 X
NOTE 101 Steady conditions are considered to be established when three successive readings of the W6 @$ ?7 C, a; F3 ?
temperature, taken at approximately 60 min intervals, at the same point of any operating cycle, do not differ by more than 1 K.( \4 N0 _) f) B8 A# T/ N7 d, j
例:60335-2-40
; m- X! ]2 d( qWhen steady conditions are established, the air flow rate is reduced until it is just sufficient to1 U9 Z. _3 t h. k$ s
prevent a thermal cut out from operating.
* U& C, z9 ~& f, b/ a# z特标也没有补充的,按照个人意识来理解吧 |
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