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[PV] DSH 589 Spray-on insulation system

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发表于 2012-11-7 20:05 | 显示全部楼层 |阅读模式
广东安规检测
有限公司提供:
DSH 589: y: g# x& v" x+ ]5 g
' m5 L: L$ o: q- V9 V" T
Spray-on insulation system4 }9 A: g* u+ C9 v, p
General
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61730-1(ed.1) & 61730-2(ed.1)3 `7 @- }7 Q/ `" V4 T; R

$ `3 R6 Z' s  [/ n& k2 o# FStandard(s)- IEC 61730-1, -2 Sub clause(s): DSH No 589
" g- ^+ J% K4 P" i5 y7 S& G- sPage: 1(1)
6 F4 i  T7 a/ b8 A6 n" WSubject: Spray-on insulation
1 e0 I1 Z* h3 N. S, Wsystem/ I8 V6 C$ T4 Z+ s
Key words:1 e% ^7 J/ ]  U6 B' e( R6 \- ]% u" u
Sprayed insulation system
- y. p# _9 K8 m5 U7 Y+ I# l/ {Decision approved by the CTL1 w& L6 N* }" C0 n1 m" ?. _2 O
during its 43rd meeting in* `5 W' d+ S$ p7 \
Johannesburg, C9 H4 E* {, C! }2 d
Question: A manufacturer has presented a new type of insulation (backsheet) for use on PVmodules.' i# V( K! J# s$ Q' S" c
The insulation material (plastic) is sprayed onto the back of the module. After it is hardened, a) c- Z6 s' v1 e
second layer is sprayed onto the module. These 2 layers passed all tests of IEC 61730-1 and -2.$ A% N" E; o1 O% C( d
Basic standards (e.g. IEC 60364-4-41 clause 4.12.1) do not allow varnish/paint to be used as
* a3 k" ]! Y8 S4 linsulation. Spray-on insulation is something like paint but IEC 61730-1 and -2 say nothing against
) |1 m& g8 n3 m- ?- M2 fsuch an insulation.
, q5 k6 u! U: P! E7 l3 O8 s; {Is the use of a spray-on, or similar type of electrical and environmental coating system allowable3 R7 D" Z3 M& N3 T
for certification to IEC 61730-1 and IEC 61730-2?! W# o- @: ]$ x7 M& I
Decision:7 l" W, B7 j- }* [$ F" ~
Requirements for construction and performance as specified in IEC 61730-1:2004 and IEC 61730-
* Z  }: H- Y8 [4 a2:2004, respectively, are sufficient for evaluation of unique insulating systems on photovoltaic/ i$ u* \. M: G. Y
modules. Although these standards provide suitable rationale for evaluating the construction and- ^2 e& e, N- |
performance of the samples obtained by the CBTL, the issue of certification remains at the# c$ S1 E! p2 J
discretion of the NCB.* q' [/ `  x) `9 I/ U

. z& z3 d2 F. Y; u% W4 Q# o' ~

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