|
|
|  DSH 381
& B8 n' @1 I8 p: g. M" O4 ]( I1 @3 P
| Affect of adhesive on Comparative Tracking Index (CTI) of Insulating Tape8 d8 J" G! R9 B/ {! K+ B: V% g# ?
| 2.9.3, Table 6, Condition 2
/ V6 I( K5 j; ^ | 60950(ed.2) & 60950(ed.3)
# Y" P! m0 L! }: ?* I4 F" k |
! G% m2 Q. u! d0 I% T+ Z/ z7 b
Standard:2 J/ h( T7 P2 Z" l
IEC60950, 2nd and 3rd
2 P( D: W) o) S4 f' {Sub clause:
4 j0 V& _- G |9 i6 \2.9.3, Table 6, Condition 2
* c+ X" }8 h' QSheet n. 381, C9 |& F, N9 h; I4 w$ D" A
Page 1 (1)
E5 ^; K7 f' f$ z# v! MSubject: s: Z1 k6 ^8 E' V" A& T) d
Affect of adhesive on Comparative/ U' e6 m0 n* f2 @" m
Tracking Index (CTI) of Insulating
% J9 `+ C9 h1 k; ^/ aTape
U! Q( x4 Y8 |: v4 MKey words:) V4 P) f% @. ^
-comparative tracking index2 E; z3 X; f$ j0 r4 y; m( d+ V# a
-CTI, j$ C9 b8 t2 |' D# h3 h' Y
-insulating tape
; f2 y2 h- w0 r4 q# e6 o; x, Q! z-adhesive
+ N' X. _5 A1 r2 d/ g! `Decision confirmed# {$ f; \( |) r( {$ i
at CTL 38th meeting( a+ L4 A, e9 }/ D
Question:1 _3 p/ N5 j& q8 [2 \1 o' Q
The measured Comparative Tracking Index (CTI) for an insulating tape with adhesive" p& X$ C4 Y! n. L8 L/ ?# m
present can be different from that for the insulating tape without the adhesive present. The o1 J" r. K2 z" ]' i
creepage distances to be applied depend upon the CTI of the insulating material.
: B1 O, o9 k6 l2 u* H6 dShould the presence of adhesive on the insulating tape be considered in determining the CTI2 j" F1 ]7 P5 d2 w0 C' u. V* H" p
when determining the creepage distances requirements to be applied?
% o0 m3 b$ i- C5 ?* lDecision:1 C4 F5 j4 m# j
Yes.
: ~! L1 d7 f% O0 X! v- U7 J* C) {
* F7 w( P( C5 v0 M+ ~! m/ y
2 w Z% R0 F5 p
0 @- v3 y+ W! {3 ^
* ?# ^/ z5 I1 J |
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发表于 2012-11-6 17:37
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