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diler 发表于 2014-6-16 10:14 " d. W8 o7 |) T' X& B
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 W' n" X6 h+ P7 S( e- W( U
EN 61000-4-5:2006
7 T4 D4 e9 R9 _3 Z+ }8.2 Application of the surge in the laboratory
4 K+ V& X& y4 p( }# d6 m8 `1 r: I4 V– test level (voltage) (refer to Annex A);
" x6 [5 w9 y0 J– number of surges:
1 z- e+ R3 k9 p3 w. e4 |number of surge pulses unless otherwise specified by the relevant product standard:- Q0 J0 ]# E; ]1 h! E8 u, v
- for d.c. power ports and interconnection lines five positive and five negative surge
: a( P9 f# R1 |# Q6 Q3 ?# O2 npulses;
2 C4 W3 B6 L6 l6 u" U& E- G- for a.c. power ports five positive and five negative pulses each at 0º, 90º, 180º and at
7 x& i/ J) p9 R0 w270º;, A3 u, m z8 @4 z# R0 A
– time between successive pulses: 1 min or less;
5 K: |: O L$ U0 {! A$ @– representative operating conditions of the EUT;
/ r* y( K. m; ^! n4 c0 s% H– locations to which the surges are applied. |
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