60950 绝缘厚度要求

cmk1991

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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
! I' I3 c" H% O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
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
6 c- s5 U" L$ t1 U- ]0 k$ oinsulating compound also apply to gel materials, used for this purpose.
SOLID INSULATION shall be:
+ n) d( O9 H) L- L− 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
; R, ~7 Q" d5 Q9 R2 a& ~− so arranged that the likelihood of breakdown occurring due to the presence of pinholes in
0 L$ e" Q5 T/ Q& \8 U5 ~thin layers of insulation is limited.
Solvent-based enamel is accepted only on winding wire as described in 2.10.5.13.
* E* a% v# h1 y5 g4 w3 tExcept for printed boards, SOLID INSULATION shall either
− comply with minimum distances through insulation in accordance with 2.10.5.2; or
2 Z5 j' R9 [% o; b5 A" \  R$ n; R− meet the requirements and pass the tests in 2.10.5.3 to 2.10.5.13, as applicable.
( W7 Q* d, P4 a! n0 n$ s& T0 NNOTE 1 For printed boards, see 2.10.6.
NOTE 2 For SOLID INSULA TION on internal wiring, see 3.1.4.
8 ?" I& i. i8 a, y7 y! R5 ACompliance 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
3 W7 K' p: d" S6 Melectric strength tests of 5.2 and by any additional tests required in 2.10.5.4 to 2.10.5.14.
2.10.5.2 Distances through insulation
If a design is based on distances through insulation, these distances shall be dimensioned
4 m  f: q  o7 ~according to the application of the insulation (see 2.9) and as follows (see Figure F.14):
− if the PEAK WORKING VOLTAGE does not exceed 71 V, there is no requirement for distance
through insulation;
− if the PEAK WORKING VOLTAGE exceeds 71 V, the f ollowing rules apply:
9 H. A: i- C; b: t  u. U8 m• for FUNCTIONAL INSULATION and BASIC INSULATION there is no minimum distance through
$ l8 b6 b4 p; Binsulation;
& _. ]- G8 A. G! P6 t• SUPPLEMENTARY INSULATION or REINFORCED INSULATION shall have a distance through
1 H: [/ c, z3 P2 ainsulation 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
. X- P' i: Z8 K1 S7 W; d$ V# x; J2.10.3.3 Clearances in primary circuits
1 A# h( K5 D1 z" ~: S5 vFor 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
  k! R; w, h/ n4 E2 JFor insulation in PRIMARY CIRCUITS, between PRIMARY CIRCUITS and earth and between PRIMARY CIRCUITS
and SECONDARY CIRCUITS, the following rules apply.
For an AC MAINS SUPPLY not exceeding 300 V r.m.s. (420 V peak):
a) if the PEAK WORKING VOLTAGE does not exceed the peak value of the AC MAINS SUPPLY
voltage, 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:
5 \: M( y/ I/ ~8 T• the minimum CLEARANCE from Table 2K; and
• the appropriate additional CLEARANCE from Table 2L.

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2.10.5节