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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
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Integrity of clearances and creepage distances% m# T% ?/ C4 o& L+ B) q- R! E$ G9 I
10.18 x& u( B, O$ b8 l* V2 z2 x
61010-1(ed.1);am1;am2
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Standard:
% ]4 N) @$ R7 O; r" g* w  R. W! MIEC 61010-1:1990 +A1:1992 + A2
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Sub clause:
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  a8 u# e8 {$ n8 u3 `; HSheet n. 337
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Subject:% W/ M7 j8 O6 s& W9 Y' J
Integrity of clearances and' L% q9 Y) O; ^( L1 S; D  k
creepage distances
, @- z. x6 a: bKey words:
2 T% Z8 v9 @. v! I7 J3 s- Clearances distances9 h1 ~6 M7 C( @. q
- Creepage distances
1 t" ^. R  \/ x" B% GDecision n. 23 taken at9 n* P8 s" E+ a) J2 A
37th meeting/2000
" }4 [3 X2 q* {3 VQuestion:
9 b; m9 q+ \7 d" }3 x$ d1 |Strict interpretation does implicate a lot of test work.
$ B% L2 k4 D% L  zHow is this clause considered for compliance?' R8 K) M8 {9 F$ B& i3 i
This question is from CTL.
0 K  _/ S' o( Q( }9 ~' nDecision:
$ f2 u! b' B: E7 uSee Explanatory Notes
9 F& X4 x4 h# ]1 ^' H+ TExplanatory Notes:
" D" ^4 B- c+ K( h5 R/ E3 ^The compliance requirements suggest that, in case of doubt additional tests are required to3 i: ^( d% k3 N0 w2 S2 }
ensure the integrity. Where examination of the data and the test results cause concern then
8 r  d* P& t9 L/ E! W; L, Ifurther tests are needed at 40°C ambient followed by measurements of the concerned area for0 U# l/ r% p0 J7 B% y) }! P
the creepage and clearance distances.% C" h0 Z2 a! n
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