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diler 发表于 2014-6-16 10:14 
5 v: Z4 Q' c/ I, Q3 X+ p! M, B) s- W0 h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! ) S; Q4 ?9 M" `- O
EN 61000-4-5:2006
! E s8 r1 y2 `% Z8.2 Application of the surge in the laboratory
- D. s% [6 ~* \1 v I9 _) t– test level (voltage) (refer to Annex A);
# G$ X. T5 b8 C% O– number of surges:/ B+ O! R3 R" B/ O, d
number of surge pulses unless otherwise specified by the relevant product standard:/ I, P1 W! F7 F4 e0 f7 [) K
- for d.c. power ports and interconnection lines five positive and five negative surge
7 B* _+ V- q0 t" L- Spulses;
- z/ \2 S$ W6 a- for a.c. power ports five positive and five negative pulses each at 0º, 90º, 180º and at, g& r5 R" B( w: E
270º;5 G) ~4 S1 ]+ \ J# n Y8 \
– time between successive pulses: 1 min or less;
* G6 ]; C# K1 _– representative operating conditions of the EUT;
' O& ^# D4 \) }: h* J' L- q3 }( V8 }– locations to which the surges are applied. |
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