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请教高手
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IEC/EN61010-1:2010 对跨接初级与次级Y电容有什么要求。3 e8 `3 A! a( V: W! d+ V" v. t: X
现有:( P- E7 D5 ?9 y- Q
CY1电容器跨接在初次级上,满足加强绝缘距离要求。
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' Y" p/ o& H2 O. l7 ?4 n认证公司要求:* R% F* t7 e- ?9 Z
1. CY1电容耐压值应该更换为500V
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目的:因为EN61010-1标准要求CY1必须要有2倍工作电压的耐压值
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- F+ J, h8 L; c% c* C1. 我想知道他们所说的耐压值什么意思?
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2. IEC/EN61010-1:2010 是说的这个意思?, K/ A. C7 k7 Z' [# e
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下文为标准:
" m2 P0 l- R6 Q) H5 V& t/ Q; O6.5.4 PROTECTIVE IMPEDANCE. z/ b6 q; d- z& H7 T
A PROTECTIVE IMPEDANCE shall limit the current or voltage to the levels of 6.3.1 in NORMAL
& ~/ O7 s, j- j: p8 zCONDITION and 6.3.2 in SINGLE FAULT CONDITION.
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+ h2 ]2 i. ?* h) y( IInsulation between the terminations of the PROTECTIVE IMPEDANCE shall meet the requirements. H6 O0 a1 A% g; A& @
of 6.7 for DOUBLE INSULATION or REINFORCED INSULATION.6 \$ P7 V: f2 N o7 x% F8 a& a
7 H$ T% {$ M' o4 [/ UA PROTECTIVE IMPEDANCE shall be one or more of the following:
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a) an appropriate single component which shall be constructed, selected and tested so that safety and reliability for protection against electric shock is assured. In particular, the component shall be:1 J' `* R4 b3 Q2 ^7 K
8 O# J) P8 |& _6 U& }4 a" S8 v1) RATED for twice the maximum WORKING VOLTAGE;6 j8 b5 f3 J" a3 w2 T) K
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2) if a resistor, RATED for twice the power dissipation for the maximum WORKING VOLTAGE.
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b) a combination of components.4 j3 a1 U0 h; Y: {9 S
A PROTECTIVE IMPEDANCE shall not be a single electronic device that employs electron
* I% q; ~1 t2 Tconduction in a vacuum, gas or semiconductor
- f( F: H! j: h/ u9 X4 \* p% U) EConformity is checked by inspection, by measuring the current or voltage to confirm that they% O5 W* C4 |% z7 v5 p: W: L
do not exceed the applicable levels of 6.3 and by measuring CLEARANCES and CREEPAGE! u# W; d& W; o# }: X
DISTANCES as specified in 6.7. Conformity of a single component is checked by inspection of
& T5 |6 w% `5 I% ]its RATINGS. |
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