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qin.cq 发表于 2015-11-3 12:35
7 @( [" Z" x# t' V. g% `+ Q3 G在IEC安规条款中是否有明确定义STEADY CONDITION% f5 C8 D. X& E+ k3 C
如果没有明确定义,是否可以按个人意识来解释? : w8 j( m# z1 ~3 Y2 f3 t3 D( U
IEC 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。
, X/ K" c. Q a0 h8 t& ^例:60335-2-24
, d8 S/ m* x1 m5 ?* JNOTE 101 Steady conditions are considered to be established when three successive readings of the) ^" {- H9 e/ }9 ]
temperature, taken at approximately 60 min intervals, at the same point of any operating cycle, do not differ by more than 1 K.0 B' C9 L2 k2 r; c$ P% t$ A
例:60335-2-40
" x! M, l& V$ `( o+ {When steady conditions are established, the air flow rate is reduced until it is just sufficient to, y7 W3 D) }4 r
prevent a thermal cut out from operating., z3 H" {7 W4 p$ K1 P* N: }
特标也没有补充的,按照个人意识来理解吧 |
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