|
|
|  DSH 589
! ?$ _% x/ q# }: u! J) B) X! A& r5 _3 [- {: r7 t' D+ m; }. `
| Spray-on insulation system5 x3 E8 H7 m3 M$ s L$ [
| General
3 Q M" Z A6 U, ?& e | 61730-1(ed.1) & 61730-2(ed.1): _5 a& z0 i8 k4 N. N
|
" C2 ^8 Z S% t! ~$ x( w
Standard(s)- IEC 61730-1, -2 Sub clause(s): DSH No 5892 N# P$ U. G" P6 A( b3 B) d. |
Page: 1(1)
! b. }1 ? v0 ^3 M% y# u8 p, rSubject: Spray-on insulation
1 k. Y6 j* y" h+ O* Ksystem
( Z- g7 q3 ] y: MKey words:
& T9 T* W' M# L0 iSprayed insulation system
. `# `: \3 K) F3 e5 S. @, C. ODecision approved by the CTL
: f" T9 \: [, T+ @9 jduring its 43rd meeting in
- J+ n( p" g/ D3 t7 LJohannesburg. V( j% a0 y5 `6 G7 t1 b# I6 e
Question: A manufacturer has presented a new type of insulation (backsheet) for use on PVmodules.
* {0 M( |& B0 m' I R% \: z/ OThe insulation material (plastic) is sprayed onto the back of the module. After it is hardened, a( w3 i, _: G6 S3 m% I
second layer is sprayed onto the module. These 2 layers passed all tests of IEC 61730-1 and -2.5 F. l1 q- j6 b# }0 U k
Basic standards (e.g. IEC 60364-4-41 clause 4.12.1) do not allow varnish/paint to be used as' C& A! J) \% a: a3 \4 g2 d
insulation. Spray-on insulation is something like paint but IEC 61730-1 and -2 say nothing against
0 ]; c+ b5 Y K$ Ssuch an insulation.
1 ~0 ?& B( K' JIs the use of a spray-on, or similar type of electrical and environmental coating system allowable
# S" Y& o2 H- Yfor certification to IEC 61730-1 and IEC 61730-2?
( _5 G8 ]- _5 [6 b8 wDecision:* ]4 b7 l4 a! [
Requirements for construction and performance as specified in IEC 61730-1:2004 and IEC 61730-
' [9 y- N5 U8 x3 E. S5 ~+ e5 S" V2:2004, respectively, are sufficient for evaluation of unique insulating systems on photovoltaic$ Y$ @* B( Y: r' E) q
modules. Although these standards provide suitable rationale for evaluating the construction and7 d! ^% K/ G5 h4 R' q4 \
performance of the samples obtained by the CBTL, the issue of certification remains at the
8 _( F4 x0 j' x/ c- tdiscretion of the NCB.: j7 U! \" c& G+ A
" V, q! M D# ` |
本帖子中包含更多资源
您需要 登录 才可以下载或查看，没有账号？注册安规
x
|
/2 
|关于安规|小黑屋|安规QQ群|Archiver|手机版|安规网
( 粤ICP13023453-10 ) 
窥视卡
雷达卡
发表于 2012-11-7 20:05
提升卡
置顶卡
沉默卡
喧嚣卡
变色卡
抢沙发
千斤顶
显身卡