|
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:
) T; G/ C: c1 N+ P; E! fIn order to meets the reinforced insulation requirement( refer to! o0 c$ C4 Q9 N0 @" L( ~: v
IEC60335-1 22.42), whether shall be at least add 2 Y capacitors between
& e+ F. F _* W* Jthe primary and the secondary of the transformer ?
8 B' J4 Y1 d: F- q" O2 P: z! X# ]0 U- D% t
VDE: if there are any capacitors connect between the primary and the4 o& c9 F8 s; C! l0 q- L
secondary of the transformer, it shall be
/ N3 U1 K4 P" d/ x) W7 e0 \: i- Y2 (basic insulation, at primary)+ Y1 (supplementary insulation, as
5 }- ]# D; C5 h2 Y+ J& Xsecondary); or8 W: r- C u# _( ?" w
- 2 x Y1 capacitors+ y5 L4 [2 z, k! w0 i" T
9 \% u' Z2 H) o" F, T, G( w8 S7 G
If no any Y capacitors between the primary and the secondary of the0 O4 S" [6 Z3 A- ^
transformer, whether it will affect the reinforced insulation ?. h, G% ~- B) z8 t' d$ W, s
% ?4 v. ]% v$ v6 X% W/ s2 eVDE: no capacitor is accepted.; x% x5 C0 X3 r. R& m
But please be reminded that in any case the requirement of clearance and
' e' X+ i. ?9 e8 {4 N$ K( a+ Tcreepage shall be fulfilled. |
|