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发表于 2012-2-9 10:16
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本帖最后由 lele11 于 2012-2-9 10:26 编辑
! J% a% @8 }! }! p! d4 V山炮 发表于 2012-2-7 12:57 
$ n6 N6 m {" ^有这个：
* h% O+ Q9 F. F4 q/ I" W山炮，打耐压是外壳按加强绝缘打就行么？按29.3.2每层都要打耐压的话，空气层我不知如何打。: b0 v- Z7 f1 p/ [9 O1 F( M
29.3.2 Each layer of material shall withstand the electric strength test of 16.3 for
' P# o5 A8 _" R0 W6 D* psupplementary insulation. Supplementary insulation shall consist of at least 2 layers of
$ G1 o5 q; `; X2 Q- N" U% m( X9 Ymaterial and reinforced insulation of at least 3 layers.% ?" O9 o& S& ^ r2 E+ @
- Z0 {, C/ v) O另外，是否得按如下这条，符合29.3的材料dry heat 测试，及固体绝缘材料仍按表格符合一定的厚度。但这个要求的前提是‘single layer'，我们的固体绝缘加空气是否不算single layer?
! \2 q6 y- B& g( b. U: zan assessment of the thermal quality of the material combined with an electric strength
; f6 P) w; t1 x, c4 w' N6 V* ytest, in accordance with 29.3.3. and, for accessible reinforced insulation consisting of a
6 Z1 U2 W8 p3 Q0 M' l) V1 x. asingle layer, measurement in accordance with 29.3.Z1.5 ~& Y% y0 l- v0 E+ J o4 y
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发表于 2012-2-24 16:36
