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diler 发表于 2014-6-16 10:14 
- f! J5 T4 u! g2 c2 ]* o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! & d) H( {9 ~( g, ?( q. S" R
EN 61000-4-5:2006& L) r! A) }9 \" A# Z
8.2 Application of the surge in the laboratory
; K7 T& F f* k3 D4 r( F) ^– test level (voltage) (refer to Annex A);
2 V0 L0 H. F) c b7 E) ?– number of surges:
3 S- S8 O0 x* v) j% U7 y, `% nnumber of surge pulses unless otherwise specified by the relevant product standard:
9 p" e' Z2 T# X! _) _8 _" W) k) i# b Q- for d.c. power ports and interconnection lines five positive and five negative surge
+ T7 U" |2 b! ^; C* ]* M- fpulses;
f. r& C7 O; T: L) u- for a.c. power ports five positive and five negative pulses each at 0º, 90º, 180º and at
7 f' y; T' C( E q1 f270º;
4 m0 `. W# [$ X+ M4 B0 R– time between successive pulses: 1 min or less;
+ y; _" `* t/ _9 _5 h# P– representative operating conditions of the EUT;
2 C/ c; M" H9 L5 s+ |: n– locations to which the surges are applied. |
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