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diler 发表于 2014-6-16 10:14
; u' o: Z: A% f" [; ^& T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! 9 ?5 m, @+ P4 B( r
EN 61000-4-5:2006; I& S6 g( i$ e
8.2 Application of the surge in the laboratory8 {( G+ Z! t5 G
– test level (voltage) (refer to Annex A);9 J! j M7 V1 d" B% v
– number of surges:
3 N+ Z# l0 q9 _/ b6 W. l" fnumber of surge pulses unless otherwise specified by the relevant product standard:
- }7 n! }* F. w, t2 x, H; j D- for d.c. power ports and interconnection lines five positive and five negative surge# I4 d3 Z- V% j' s3 c" K
pulses;! [% {9 n. d- e5 S/ [4 c
- for a.c. power ports five positive and five negative pulses each at 0º, 90º, 180º and at8 q5 t# P y" z
270º;
# y! `/ D& Q( z B! M4 |9 O– time between successive pulses: 1 min or less;/ O7 C' {2 E" r/ C6 K* A; x
– representative operating conditions of the EUT;# {4 U# z1 Z( O0 q& u' O
– locations to which the surges are applied. |
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