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diler 发表于 2014-6-16 10:14
' R* i o' o( ] _* v3 w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!
7 t, ~- I* _& G d0 C' mEN 61000-4-5:2006
0 r8 T8 e3 G7 e" j! n4 s5 T8.2 Application of the surge in the laboratory) F. |# C3 x2 T3 ~1 f
– test level (voltage) (refer to Annex A);
3 F* a7 M, U' a– number of surges:' q9 S# r* Z) f+ i! Z9 e9 M
number of surge pulses unless otherwise specified by the relevant product standard:
1 S! g4 l1 ~9 P3 x- for d.c. power ports and interconnection lines five positive and five negative surge
' L# Z* M+ k0 y( p7 P, Jpulses;: g, q6 `9 I. i7 h( M
- for a.c. power ports five positive and five negative pulses each at 0º, 90º, 180º and at
g3 \; l- p, A/ G270º;
0 c+ g/ e5 q4 g7 t( m u# B– time between successive pulses: 1 min or less;
/ K+ Z) k1 \& }2 c6 ?$ M6 Y– representative operating conditions of the EUT;
4 e9 e# q! e7 o2 x– locations to which the surges are applied. |
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