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非常感谢大家的回答,我也发邮件咨询了VDE, VDE也认可变压器初级和次级不加Y电容。是第三方认证机构没搞清楚,下面是跟VDE沟通的邮件内容分享给大家:
# i" n5 G$ }; x6 `# n$ HIn order to meets the reinforced insulation requirement( refer to/ o, X4 Y* U( g# j" T2 Q# [$ ]3 i
IEC60335-1 22.42), whether shall be at least add 2 Y capacitors between3 G% ^; ~2 y* [1 b6 B. B
the primary and the secondary of the transformer ?" i- d+ c, o0 O- k, h U
) w! C* F5 u5 `' k7 }
VDE: if there are any capacitors connect between the primary and the. m9 x3 z- I, {/ [
secondary of the transformer, it shall be
: Y7 i3 Y$ C8 y+ ^8 N* Z! F4 Y F- Y2 (basic insulation, at primary)+ Y1 (supplementary insulation, as
8 I) G, f9 h: i6 a; e5 I% v6 L3 p" m; csecondary); or8 _6 f( |" d3 @ W
- 2 x Y1 capacitors4 r- M2 G8 `# K: j
! \) h% l) P) G7 |) f- T, ^3 c* a
If no any Y capacitors between the primary and the secondary of the
2 ]: k' p% y# `7 Ptransformer, whether it will affect the reinforced insulation ?1 h% g1 E/ U+ {- L3 }9 U
- k$ ]! [1 Q0 `" bVDE: no capacitor is accepted./ E! x7 g1 Z, B
But please be reminded that in any case the requirement of clearance and
/ w' `: s0 Z8 v+ V& P8 lcreepage shall be fulfilled. |
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