. W( z0 I5 a6 o b3 w) x$ L8 n H那标准有说明Y1,Y2的绝缘性吗作者: yearl 时间: 2017-3-13 16:24
GB/T 14472作者: rick.xiao 时间: 2017-3-13 16:55
针对IEC 60335-1的家电类产品来说:. [9 b4 b8 c ~
Y1或Y2都可以。如果使用则至少需要2个或以上,需要考虑任何一个开路或短路的情况。 ( s8 L6 G* j# o: ^% }0 T , A, _ W1 E* ]5 {22.42 Protective impedance shall consist of at least two separate components. If any one ' R- d8 X: ?' ]9 h3 }% jof the components is short-circuited or open-circuited, the values specified in 8.1.4 shall not' L9 [7 U: w0 @! V
be exceeded. F% [5 q+ [$ M0 J: o: ^* l+ F5 M" }
Component impedances shall be unlikely to change significantly during the lifetime of the( J' \# C" l% G7 U0 N
appliance.! D( S3 u/ h H
Compliance is checked by inspection and by measurement and if necessary, for resistors and : R: G& v& `9 _0 acapacitors by the following tests. # C% I0 b) W, u+ h1 I9 ?Resistors are checked by the test of 14.1 a) in IEC 60065 and capacitors are checked by the 6 n0 p6 Q; |6 _+ M, Ztests for class Y capacitors in IEC 60384-14 appropriate to the rated voltage of the appliance.作者: ylgc123 时间: 2017-3-14 10:50