|
|
|  DSH 373
0 E/ n: r) r8 L b
5 A. b5 K$ u4 r H4 I& x; O | Humidity conditioning( T4 u; a5 s; H" I& n- `5 M
| 2.9.1 and 2.9.2/ M/ G w6 z- L" T
| 60950(ed.3)( h$ i( O% j W$ F; @5 s
|
+ p4 R& Y) |7 D
Standard:
/ O8 y2 A. {6 i% [IEC60950, 3rd Ed., ~5 R' Q/ Q* u; ?) _6 U
Sub clause:1 h% Q2 e n( H' a: A! w
2.9.1 and 2.9.2; Z3 {, K0 q& z; ^+ A$ W
Sheet n. 3738 M1 R. v* j% @: k7 Y
Page 1 (1)- Y' j' u* {! f3 I
Subject:
: w" g$ E- @, V/ Y# s6 ]Humidity conditioning
, M5 i- |) U! W' J, b5 FKey words:
5 `+ K* N7 N3 ]/ w- L' }( R-Insulation$ B- j8 W+ a4 s; y2 k: ^6 x2 H
-Humidity! y8 G3 q" R- {% q
Decision confirmed
% p U; [; v, H) N4 K- `, j, ^at CTL 38th meeting6 b8 d6 K- U- [. ]' ]* ~# ~( o
Question:7 x$ H0 s. q& K2 e2 `- d8 {
Sub-clause 2.9.1 specifies that " the component or subassembly" be subjected to the
. N9 T4 }- Z0 Q+ V2 ^( ^; M$ Nhumidity treatment of 2.9.2. Sub-clause 2.9.2 specifies that " during the conditioning the" A i* I+ a$ I: O1 v
component or subassembly is not energized".
& ^8 I' n M* @7 V$ B+ SCan these requirements be interpreted in the way that only components and subassemblies7 J, {0 x- S- z' p
need to be subjected to the conditioning and not the equipment where these components
1 {+ i4 V, c0 b/ o) {, l& Jand/or subassemblies are mounted?
2 Q4 n4 N1 |! s/ ~" tDecision:. P0 q$ H4 f% `" ~
Yes." Z1 g! r- h+ s6 E1 a; _
" V. j) w5 C6 P& ?# X# f4 U) e
) J' Y, E" ]: {2 b Q, A$ Z2 X+ g$ {0 [4 i% w( x( A
. A7 {9 U, j# `9 k
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发表于 2012-11-6 17:52
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