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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:
! W% {# `3 Y. m+ r2 h: o KIn order to meets the reinforced insulation requirement( refer to
+ V: q5 \0 ]- Y: K! r7 TIEC60335-1 22.42), whether shall be at least add 2 Y capacitors between" @: F' d8 p5 V! }: i) x
the primary and the secondary of the transformer ?. G3 d& r/ v H: Y3 a
! |0 k) p" p3 X0 q# ~VDE: if there are any capacitors connect between the primary and the
9 X: k: f5 O( l- {) a4 Osecondary of the transformer, it shall be B! X% {2 E/ w9 r% u3 w% e
- Y2 (basic insulation, at primary)+ Y1 (supplementary insulation, as
! H7 I4 ^' p" w! ?7 y8 Qsecondary); or
0 z+ m7 G9 U5 D8 {+ `! m9 a- 2 x Y1 capacitors
- y. M' G. w' F) O+ e7 L3 [/ n5 M, R' ]% A, C, [
If no any Y capacitors between the primary and the secondary of the
" h2 C7 r# T7 D! U7 I8 `# atransformer, whether it will affect the reinforced insulation ?
2 y+ t- F' W, \5 X( p `: m6 I6 d+ p; x' l
VDE: no capacitor is accepted.
! E7 C7 Z: b8 I& K1 z" _But please be reminded that in any case the requirement of clearance and
! S% T1 j$ i) u3 Ccreepage shall be fulfilled. |
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