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diler 发表于 2014-6-16 10:14 
3 Y* t* @2 _- |" `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! ) c, j, R& _0 t5 N
EN 61000-4-5:20064 v( J0 ?: p5 ]! _" x
8.2 Application of the surge in the laboratory' } x) f8 G/ E: [7 c: l
– test level (voltage) (refer to Annex A);8 m3 Y; L/ y2 @# T, s5 A
– number of surges:) j4 b) \# ^4 g9 @- m J
number of surge pulses unless otherwise specified by the relevant product standard:
, e v" M- d8 v1 r. u4 u& W) P- for d.c. power ports and interconnection lines five positive and five negative surge
8 G% C2 A v* K' O9 F" k, Xpulses;
& h1 ?2 }5 C, W' l- for a.c. power ports five positive and five negative pulses each at 0º, 90º, 180º and at1 V: s3 n" \. i' ~
270º;
4 H9 c9 d+ N2 z– time between successive pulses: 1 min or less;
1 Q c4 n" f' F: ?0 l1 B. A– representative operating conditions of the EUT;9 e. }3 W6 j% }" y4 L$ K$ q
– locations to which the surges are applied. |
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