|
|
|  DSH 3733 _) r7 ^- s, C& g' G
; C! m3 G( _! u/ B/ s. i8 K | Humidity conditioning' n# ? i* N2 I* G3 {/ K% G8 D/ z3 |
| 2.9.1 and 2.9.27 g- O d, ?* s* `4 M9 s
| 60950(ed.3)$ p) j% e6 V% Q
|
# z+ a) _. c( d" l! GStandard:7 f" R$ j( F4 |9 ?: R0 B3 u. {
IEC60950, 3rd Ed.
6 A5 E& I _/ ^) ^3 y3 \Sub clause:
. [" L6 B" g/ B2 [! d2.9.1 and 2.9.2' C6 w; `' e8 \8 ~, j& R6 f, k- }
Sheet n. 373
! C* B+ A" L% t- K$ z5 ^" JPage 1 (1)4 V- g, x7 I% j) ~
Subject:
. K; j* O. |, K- d: JHumidity conditioning( s" U& H/ ]" k' n
Key words:
9 y( _2 M. [/ `1 `$ v. q* Y# v" ^-Insulation
' F& G! m& _: e- ~; ^2 q8 p-Humidity
1 |/ A: X4 w/ T7 N; N) _Decision confirmed
n$ A1 L D, f5 rat CTL 38th meeting& o+ Z& a' ?6 L
Question:
/ J+ I6 s- T' v y' O5 J, R9 DSub-clause 2.9.1 specifies that " the component or subassembly" be subjected to the$ z' M- n$ U$ A, k; d
humidity treatment of 2.9.2. Sub-clause 2.9.2 specifies that " during the conditioning the
6 a5 s" n8 [! gcomponent or subassembly is not energized".4 k& D0 I$ {2 C! x
Can these requirements be interpreted in the way that only components and subassemblies3 }& q& W9 R/ R; Q7 [
need to be subjected to the conditioning and not the equipment where these components
- t8 U1 D% k2 Sand/or subassemblies are mounted?3 p8 v( b, r8 v: \7 G* Q
Decision:" q$ @# s5 X8 \* T4 _
Yes.6 x4 E$ n! l6 b) O
+ F( E5 `& \* m
: I, @5 n. h4 [0 J+ s# I- {/ ?7 r8 Z( z
4 ]9 A! | Z' m! x8 z( p
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发表于 2012-11-6 17:52
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