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|  DSH 381
# L! `4 L) S3 l; ^2 _* L
+ h9 P: L% D2 x/ ? | Affect of adhesive on Comparative Tracking Index (CTI) of Insulating Tape: [4 i" J1 M) ~4 O/ W v6 Z
| 2.9.3, Table 6, Condition 2' \; l. w Z" m* I9 l! _6 \5 @
| 60950(ed.2) & 60950(ed.3)
( X2 A0 X; _* f6 q4 K$ Q" `7 D+ v |
* N( `* E% a* n7 FStandard:
6 V- {8 ~- `1 u8 q7 HIEC60950, 2nd and 3rd& o: S% }4 Y- |
Sub clause:
! U$ ^9 A$ D5 a: t! k3 [2.9.3, Table 6, Condition 28 W9 O% i2 `% b% \
Sheet n. 381. c$ Z: F0 f3 r) h" C. ~
Page 1 (1)! W e! i/ h0 ^
Subject:
4 k+ B0 U' m/ e4 ^Affect of adhesive on Comparative
/ e2 U" U* X2 J7 ^6 H$ UTracking Index (CTI) of Insulating
; r/ C) I/ k7 J6 ~: ETape9 h7 `& j2 T& y- F* H
Key words:0 r7 r. \3 h7 \
-comparative tracking index; {) N0 g% S" e# U, |6 L
-CTI. M, L* C( N1 y
-insulating tape
$ q' z7 a' [! G1 d0 k i-adhesive
" T2 F$ x+ Q8 X2 pDecision confirmed
4 n0 k' {" J' [7 Gat CTL 38th meeting. d3 G2 T% p, R- P( I% {
Question:/ C: C" l- T* g3 q; c; R
The measured Comparative Tracking Index (CTI) for an insulating tape with adhesive' O$ B1 Y% W' H4 S0 f d* s
present can be different from that for the insulating tape without the adhesive present. The
- D4 z) y8 j8 S; s7 W# ?$ M% d2 ^creepage distances to be applied depend upon the CTI of the insulating material.5 j7 i7 r' D1 j# J6 w
Should the presence of adhesive on the insulating tape be considered in determining the CTI6 l9 I. }0 \8 k4 o# C6 S; N
when determining the creepage distances requirements to be applied?
2 T) B5 K/ z! K/ c1 vDecision:
# v' w. P' c' G4 f7 dYes.
6 Q- I }; J- ~5 `" y$ l+ i: v/ U y/ k, U
% V6 m/ z; d* q4 [
- S7 |. I( M" D8 H; Z+ u( y
& K; F t" L! k0 K4 n# L9 w7 b |
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发表于 2012-11-6 17:37
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