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diler 发表于 2014-6-16 10:14 * y' j& ?+ h7 o Q3 l, G
能说一下具体是哪条有提到吗,一直没发现有类似的内容,谢谢!
1 U7 ]* r T9 x0 H5 h2 E3 d2 G: sEN 61000-4-5:20063 F3 J$ a4 i" ?# I: A8 E& K+ ?, Y
8.2 Application of the surge in the laboratory
# S- x( F- w+ K8 Z0 W! M* M– test level (voltage) (refer to Annex A);
# ^, U0 _# r" w; m; H( F– number of surges:0 E1 z6 s) m$ o8 X2 E
number of surge pulses unless otherwise specified by the relevant product standard:
+ |' D0 j+ d, C- for d.c. power ports and interconnection lines five positive and five negative surge- i( c: W2 W9 R
pulses;5 G9 B/ ~6 D9 ], D0 `' V* d
- for a.c. power ports five positive and five negative pulses each at 0º, 90º, 180º and at
U3 J9 q% T9 T270º;
1 ~: D$ F* v" ], s0 |+ m: D; [$ y– time between successive pulses: 1 min or less;/ j9 Y! u; L4 l2 m/ [
– representative operating conditions of the EUT;
5 s2 g8 J+ M0 V& U- `– locations to which the surges are applied. |
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