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diler 发表于 2014-6-16 10:14 
- B, H4 h; p: ?( q( F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! 8 a! L2 P/ d7 q7 W! P- Z- _
EN 61000-4-5:2006
* ?' \. k1 A+ O8.2 Application of the surge in the laboratory
; M; ]! r/ H K* J( F' Q' z– test level (voltage) (refer to Annex A);: q/ s) y0 L3 K- A' @( H$ q' K
– number of surges:
# V3 Q6 }2 o4 O) o$ Bnumber of surge pulses unless otherwise specified by the relevant product standard:
0 E$ j% X. t& L- for d.c. power ports and interconnection lines five positive and five negative surge
) z' t# y" l# a1 k; h1 p3 Epulses;6 k& K$ z* d+ O
- for a.c. power ports five positive and five negative pulses each at 0º, 90º, 180º and at
0 n2 l1 J9 i1 d7 ^270º;
/ ?: C, @" x) }: E! N- _- w, D9 [– time between successive pulses: 1 min or less;
8 N! ?2 T# T. ~7 r– representative operating conditions of the EUT;
+ g p: N6 l1 t; @- A! B– locations to which the surges are applied. |
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