DSH 735 Harmonize humidity-freeze cycle profile on IEC61215-2005 Ed.2 to IEC6164

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DSH 735

Harmonize humidity-freeze cycle profile on IEC61215-2005 Ed.2 to IEC61646-2008 Ed.2

10.12.2.a), Figure 12

61215(ed.2) % K: q0 R' C+ I5 }+ r

Standard:
5 a7 {- f! ?+ N1 HIEC 61215-2005 Ed.2
* g* W! D$ Z- z4 z2 OSub clause(s):
10.12.2.a)
- E9 x/ q1 @* ?! G' I# AFigure 12
  f( g3 r" o) B( U: [  SSheet n°:
6 Q0 {; a9 X1 _. z0 ~. qDSH 0735
Subject:
. G' ~( X9 D2 ]8 H9 @" fHarmonize humidity-freeze
% T! x! O" L3 r) W$ v# s# t8 ^' |cycle profile on IEC61215-
& I& M' a; |) k6 Q6 H2005 Ed.2 to IEC61646-
2008 Ed.2
Key words:
Humidity freeze cycle
+ m4 s! h# V( Q6 xApproved by:
1 Z0 y5 H1 T: J& O% c1 z46 CTL annual meeting in
Beijing, 5/15-16, 2009
Question:
The two humidity-freeze cycle profile charts in following standards are different:
1. Newly published IEC61646-2008 Ed.2 Thin-film terrestrial photovoltaic
(PV) modules – Design qualification and type Approval, Figure 5.
2. Previously published IEC 61215-2005 Ed.2 Crystalline silicon terrestrial
photovoltaic (PV) modules – Design qualification and type approval,
: ]9 f# l5 Z+ G# b) G) [Figure 12.
Can these two be harmonized?
% `* }' ?5 _8 k5 qDecision:
When conducting clause 10.12 Humidity-freeze test per IEC 61215-2005 Ed.2,
Figure 12, use clause 10.12 Humidity-freeze test of IEC61646-2008 Ed.2, Figure
5. There will be no RH control requirement during temperature transitions
% S2 f# O. `! a% y* Kbetween room temperature and 85°C.
  q2 A" ^3 K& Q7 A/ f3 {
+ l" Q0 V( z- m/ ~& d5 ^( S; [) j