60950 绝缘厚度要求

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请问一下 60950 有没有绝缘厚度要求呢？是多少？在标准的哪一章。谢谢.

sky0805

sky0805 发表于 2015-5-28 12:02
參考上述...

不客氣，在此也希望批評的讀者能將心比心，錯誤指出吾等虛心受教...指正者應將正確的內容與經驗分享於各位!!

cmk1991

sky0805 发表于 2015-5-28 12:02
% n% f. n: @3 m' [參考上述...

谢谢了，学习了。

sky0805

參考上述...

sky0805

2.10.5 Solid insulation
2.10.5.1 General
In 2.10.5, the requirements for SOLID INSULATION (except those for thin sheet material) and for
insulating compound also apply to gel materials, used for this purpose.
SOLID INSULATION shall be:
− so dimensioned that overvoltages, including transients, that enter the equipment, and
peak voltages that may be generated within the equipment, do not break down the SOLID
INSULATION; and
− so arranged that the likelihood of breakdown occurring due to the presence of pinholes in
4 M* J' h+ `# e- J! E) vthin layers of insulation is limited.
& Z+ |! ?% u$ B6 c" ESolvent-based enamel is accepted only on winding wire as described in 2.10.5.13.
Except for printed boards, SOLID INSULATION shall either
* j8 b3 l7 R; p6 L− comply with minimum distances through insulation in accordance with 2.10.5.2; or
− meet the requirements and pass the tests in 2.10.5.3 to 2.10.5.13, as applicable.
NOTE 1 For printed boards, see 2.10.6.
" @4 z! D% x. T) L, h% }2 ^1 TNOTE 2 For SOLID INSULA TION on internal wiring, see 3.1.4.
" f- s4 ^; Z0 N4 F4 x" pCompliance with the requirements of 2.10.5.2 to 2.10.5.14 for the adequacy of SOLID
INSULATION is verified by inspection and measurement, taking into account Annex F, by the
. y4 |' p/ l7 Q0 }electric strength tests of 5.2 and by any additional tests required in 2.10.5.4 to 2.10.5.14.
4 {/ X  W  c5 O* I2.10.5.2 Distances through insulation
  m. n2 l  P" I$ j3 GIf a design is based on distances through insulation, these distances shall be dimensioned
according to the application of the insulation (see 2.9) and as follows (see Figure F.14):
9 O. T5 k# s. Z; F. w- F* \− if the PEAK WORKING VOLTAGE does not exceed 71 V, there is no requirement for distance
through insulation;
# |( f; u6 F! I) r, L, g; \− if the PEAK WORKING VOLTAGE exceeds 71 V, the f ollowing rules apply:
% H; {! I; Q! o" U• for FUNCTIONAL INSULATION and BASIC INSULATION there is no minimum distance through
insulation;
• SUPPLEMENTARY INSULATION or REINFORCED INSULATION shall have a distance through
% B% n) V4 M; N+ d9 Einsulation that is 0,4 mm or greater, provided by a single layer.
For compliance criteria, see 2.10.5.1.

热爱学习

sky0805 发表于 2015-5-28 09:24
" Z+ y1 H& k* w2.10.3.3 Clearances in primary circuits
For insulation in PRIMARY CIRCUITS, between PRIMARY CIRCUIT ...

大哥，人家在问绝缘厚度哦，说的应该是固体绝缘的厚度，参考2.10.5就可以了，您列个电气间隙的章节是不是有点文不对题。。。

sky0805

2.10.3.3 Clearances in primary circuits
For insulation in PRIMARY CIRCUITS, between PRIMARY CIRCUITS and earth and between PRIMARY CIRCUITS
! H* l+ Z# ~4 K8 @: G1 |# Qand SECONDARY CIRCUITS, the following rules apply.
For an AC MAINS SUPPLY not exceeding 300 V r.m.s. (420 V peak):
: B3 m4 W& ?  B/ ?2 la) if the PEAK WORKING VOLTAGE does not exceed the peak value of the AC MAINS SUPPLY
0 V% j3 m3 s7 a, H7 W. Rvoltage, minimum CLEARANCES are determined from Table 2K;
b) if the PEAK WORKING VOLTAGE exceeds the peak value of the AC MAINS SUPPLY voltage,
the minimum CLEARANCE is the sum of the following two values:
• the minimum CLEARANCE from Table 2K; and
• the appropriate additional CLEARANCE from Table 2L.

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2.10.5节