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标题: DSH 337 Integrity of clearances and creepage distances [打印本页]
作者: 小米    时间: 2012-9-19 13:45
标题: DSH 337 Integrity of clearances and creepage distances
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DSH 337; l0 Z; ?# D* M$ w$ e5 i! _/ w
Integrity of clearances and creepage distances
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Standard:
9 a# d' {: y4 g# {. q  UIEC 61010-1:1990 +A1:1992 + A2
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Sub clause:
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/ R& G. i  x2 xSheet n. 337
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$ x. S/ n7 r+ j, F" tSubject:
7 _- y) M/ ^) P4 x# \Integrity of clearances and' x$ l# g& C1 ]" X. V) Y# k
creepage distances
, D" h3 L6 i* c5 @# n+ n* pKey words:
" ]- U8 Z* n8 O: B- f- Clearances distances
2 G7 s, d1 R2 k7 @2 P1 r- Creepage distances
% e1 |( E2 n1 c! t; e; s& yDecision n. 23 taken at
- R$ I- @* b/ h. R37th meeting/2000
2 z/ e4 I5 V- N. D8 z+ J( NQuestion:7 Y6 ?9 {. s; O9 R. o
Strict interpretation does implicate a lot of test work.
0 s( u+ X: p% ~4 YHow is this clause considered for compliance?  |% d! g( T7 @+ c# e
This question is from CTL.9 p% i& d% s8 |! H+ B
Decision:8 c5 e+ x2 X% i* ^, O
See Explanatory Notes8 y  n1 h# E) L
Explanatory Notes:  a, B/ R# I1 p3 G7 ~
The compliance requirements suggest that, in case of doubt additional tests are required to. |; [( r; v. a0 F  l8 B  P0 `
ensure the integrity. Where examination of the data and the test results cause concern then1 ^- V* O% b/ c& Q2 P
further tests are needed at 40°C ambient followed by measurements of the concerned area for/ h" R2 P9 ?2 i0 A
the creepage and clearance distances.: C# G5 r3 I& w4 X; H/ D8 `

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