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从标准中的定义来看2 R6 O U. a3 B4 M. f0 q
safety extra-low voltage (SELV)-equivalent controlgear (under consideration)
. P h) W- E$ C2 T5 Tbuilt-in or associated controlgear for operating one or more LED module(s) with an output6 I% }+ I7 J! U* @! q- [6 {9 T. |
voltage equivalent to SELV
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independent SELV controlgear
' |4 i. h6 M) v% K/ i2 l& v8 mcontrolgear providing a SELV output isolated from the supply mains by means such as a; y. ^" M3 ^7 d- r4 F6 d, P
safety isolating transformer, as specified in IEC 61558-1:19985 @1 x7 \ \. Q/ M
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是不是等效SELV装置要用于指定的LED模块;独立式SELV就是输出满足SELV而且输入输出通过隔离变压器隔离呢?
6 l) ^# r1 L5 w o" k- t1 `; ^# x通常我们用于LED模组中的电源也是selv输出的,而且隔离,为什么认证的时候分类为等效selv控制器呢,而且也做了Annex I,而annex I 又是用于独立式selv控制器,这个是不是有点矛盾呢?
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