DSH 757 Surface tension requirement for wet leakage current test

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DSH 757

Surface tension requirement for wet leakage current test

10.15.2.a) 7 c1 L2 ~' z& I4 k3 I. \' o7 Y

61215(ed.2) " O; v  t# D5 E

# N% h1 t% h- X9 R* _$ D3 f' Q: cStandard(s)- (incl. year)
  l" H7 w- y7 `" U5 s5 pIEC 61215:2005 Ed.2
) E3 r' j; ]' i( P1 f1 d- DSubclause(s):
# I9 r0 X2 M0 ]& c! W  _10.15.2.a)
% Y, a$ l# H# I* p2 {# uNo. Year
DSH
' Y9 r9 v- G6 ^0757
2010
Category:
PV
  [  {3 k4 \: o6 n" U$ L! GDeveloped by:
ETF 9
Subject:
# s  e9 |5 X' r, z; BSurface tension
+ x1 K5 @5 e: I) A/ f" h' v& O( prequirement for wet
( j6 t" ~1 S0 g% Q% i# qleakage current test
6 m* p* ?* S* e! ?/ I  u, }* `Key words:
Surface tension, Wet
Leakage Current Test
9 M$ |& a; S+ D$ i( K8 YApproved at the 2010
CTL Plenary Meeting
7 V/ U1 t0 O3 |  j4 Z- k2 @Question:
+ p% G( J+ l. ]) lIEC 61215:2005 Ed.2, Clause10.15.2.a) requires certain surface tension of the water
for the wet leakage current test, however, the newer standard IEC 61646:2008 Ed.2
Clause 10.15.2.a) does not. The water surface tension measurement was required
also in the IEC 61646 Ed.1, but this requirement was deleted in the second edition.
* G- n$ g8 S0 N' nThe WG2 of TC82 has made the same decision for the upcoming IEC 61215 Ed.3
standard. This standard, however, is not due to be released until 2010 or later. It is,
2 N$ \# }* n+ l) Ltherefore, suggested to resolve this discrepancy by this decision sheet.
6 a* s' v+ h6 o" ?: W! kDecision:
0 \% [% _# X! [( U- @Instead of IEC 61215:2005 Ed.2 Clause 10.15.2.a) use IEC 61646:2008 Ed.2 Clause
10.15.2.a)
6 d' q( X+ L7 x" L
5 D# ?0 m; S8 C' r3 V5 W1 Q