prince 发表于 2008-10-22 17:34

X,Y电容的Body应该看作导体还是绝缘体

各位大虾:
    请问X,Y电容的Body应该看作导体还是绝缘体,为什么?

Alexsong 发表于 2008-10-24 15:40

根据OSM决议, 通过IEC60384-14认证的电容的外壳是能满足基本的要求, Y1电容的外壳是能满足加强绝缘的要求, 但在靠近引脚处的绝缘则不认为能满足加强绝缘的要求, 因为此部件的绝缘层比较薄.

luqing_sz 发表于 2008-10-22 17:45

基本绝缘.

ljh809809 发表于 2008-10-22 17:52

Y1body 可以看作加强绝缘

prince 发表于 2008-10-22 18:03

请问有什么依据吗?

luqing_sz 发表于 2008-10-22 18:05

60335-1 22.37 For class II appliances, capacitors shall not be connected to accessible metal parts and their casings, if of metal, shall be separated from accessible metal parts by supplementary insulation.This requirement does not apply to capacitors complying with the requirements for protective impedance specified in 22.42.Compliance is checked by inspection and by the relevant tests.

prince 发表于 2008-10-22 18:20

非常感谢1楼的热心回复
那如果说我的电容是要用60950-1来评估,Refer6 0335-1好像有点过咯,是否在60950-1有提到X,Y电容的Body绝缘?

wuybpujr 发表于 2008-10-22 21:25

你可以参考GB4943-1 orEN60950-1的1.5.6条款,此条有规定!

skynet 发表于 2008-10-23 14:06

基本绝缘

wolfxu 发表于 2008-10-23 14:34

加强绝缘，辅助绝缘，基本绝缘都有，看在什么位置了。
在法规的1.5。6节有提及
A capacitor connected between two line conductors in a PRIMARY CIRCUIT, or between one line
conductor and the neutral conductor or between the PRIMARY CIRCUIT and protective earth
shall comply with one of the subclasses of IEC 60384-14 and shall be used in accordance
with its rating. This requirement also applies to a capacitor bridging DOUBLE INSULATION or
REINFORCED INSULATION elsewhere in the equipment.
自己找95的看一下。

prince 发表于 2008-10-23 21:53

我是指X,Y电容本身的外壳咯.
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