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|  DSH 738
5 f3 `1 V" Z7 M; v9 s2 F q$ w: ~3 P/ `5 a+ j: J" L, Z
| Insulation properties of housing of subclass Y capacitors" I8 s5 m0 Z8 U
| 1.5.7.2 (IEC 60950- 1:2001) 1.5.6 (IEC 60950-1:2006)& _8 N) s7 M) y) o* q# X
| 60950-1(ed.1) & 60950-1(ed.2)- }$ [7 F+ d! o: `0 v2 v
|
' A9 p: t" {4 z" t, q3 S/ c
Standard(s):
8 f- R% m, M+ pIEC 60950-1:2001
5 A0 v9 w0 D8 rIEC 60950-1:2005
( a2 @, m- {5 R1 B3 w; VSub clause(s):
; g6 r8 E, C3 g: X1.5.7.2 (IEC 60950-
9 d! G8 T3 h6 Z3 _! w1:2001)2 E: `, p6 d9 A
1.5.6 (IEC 60950-1:2006)+ O3 v$ E, Q, K A
Developed by ETF 2
: O/ H$ w. o& @6 q! IQuestion 68
+ k+ X/ X% Z4 n8 N$ I TSubject:
4 U/ d# {2 U! M7 C, l* ]Insulation properties of housing
- V+ v! A8 H, g& G5 P# r/ a* Tof subclass Y capacitors
( e% P( ~; i% E+ L5 `Key words:9 m, @8 ~: _4 A
- subclass Y capacitor$ i( f& I! t7 o/ ]& C
- housing8 k# \# m; w. J" X! z3 |- r
- insulation7 S+ K! ?2 z' `, ]2 B
Decision approved
* h0 k, c R, q$ Eat the 46th CTL
. R B% V7 S* L! l; ~7 |* o: lPlenary Meeting$ t$ r, l2 T. c6 A7 l' C) [3 f( M
2009
% g% d4 w+ s! W0 G6 SQuestion:
8 D/ a( `. q; o. V% fCapacitors complying with IEC 60384-14 are permitted to bridge certain levels of
; ?# ~* Z' f5 b# s1 b7 L( binsulation. Does the housing of such capacitors provide this same level of
9 d* |% G5 G8 f8 S3 I+ ]5 vinsulation?
" `, {' {6 `7 y) `2 p- T- b: VExample: A subclass Y1 capacitor is permitted to bridge double or reinforced
8 m, Q/ y1 }& e- P$ ]insulation. Is it permitted that this capacitor housing serves as double or reinforced
# r( y1 {, t7 I, C( {' Xinsulation to other circuit parts, such as a transformer core?- B, A' @ ]+ F! A2 w' ?
Decision:- E [2 j9 x0 Q$ \+ O, a
Housings of IEC 60384-14 subclass Y capacitors are considered to provide
$ ^% O/ u7 W- W& |8 @" Binsulation levels as specified in IEC 60950-1 (e.g. Table 1D for 2nd ed.) with the
* M* i% @/ a3 B. m6 b3 K& Qexception of the areas near to the leads." v: v- N8 N3 c' w
3 w( Q1 [8 P% ?6 p" W) ^9 e7 T" B9 g9 S2 w% C
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发表于 2012-11-6 13:42
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