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[MED] DSH 433 Components between primary and secondary

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发表于 2012-11-5 10:19 | 显示全部楼层 |阅读模式
广东安规检测
有限公司提供:
DSH 4337 D0 p4 R6 @* t! Q2 B

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Components between primary and secondary* W! I1 g7 x7 c: F) f/ h
57.6, J/ I3 D! B, M2 t
60601-1(ed.2);am1;am2
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& E0 b! l* z) K1 g0 x# XStandard(s)- (year and edition):
1 l9 c! u: h4 A$ P+ Z2 d' D, j/ I4 rIEC 60601-1:1988 Am1+Am2
: P) s' J1 w5 `  b, YSub clause(s): 57.60 @/ `; g; F# l' u
Sheet n°: DSH-433
1 y# ~1 W% j: }Subject: Components between primary and secondary
3 }5 a/ ?% k" u: D, i# A! Z5 GKey words: Reinforced, insulation, bridging ' j! N, i9 m3 H( A
Confirmed by CTL at its 39th meeting, in Cologne0 H1 h8 h% u$ R' C. b2 x
Question:
' Z: \# K( c3 ^' n4 a( k7 wDOUBLE INSULATION and REINFORCED INSULATION are defined in subclasses 2.3.4 and 2.3.7.
  r9 [& N/ U) r. L1 FRelevant requirements are in sub-clause 20 (Dielectric strength) and sub-clause 57.10 (CREEPAGE
, q& J) o; r+ ~0 v) e/ a! RDISTANCES and AIR CLEARANCES). Sometimes it is necessary to bridge the insulation by
$ g" x# d  f. |& ~: p; `components (e.g. opto-couplers, capacitors). What are the requirements for these components?
+ l# Q9 z; f$ Z- E& @: N+ D/ YDecision:3 x, T% s8 ~  Y6 }
Capacitors according to IEC 60384-14 type Y1 can be used to bridge DOUBLE or REINFORCED
- @# v  R" V1 q0 ?. N. S! UINSULATION.
, L0 ]# K" O/ e/ |' V) h  R+ uStep by step a list with references to standards for components with requirements concerning reliability
* T6 i3 [4 {  m- A+ Qshall be established.* u) F5 u! w! t' D. b& H$ Z3 M
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