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diler 发表于 2014-6-16 10:14 9 B8 _5 d! m1 l# z( G* _
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!
3 W R# D# w. sEN 61000-4-5:2006; h; h7 U: p1 w
8.2 Application of the surge in the laboratory
5 a" [+ F) w' @– test level (voltage) (refer to Annex A);- [9 ?1 Y! K: j; I# ]! D/ x8 G) D
– number of surges:
& p4 m) b N* `6 M3 Znumber of surge pulses unless otherwise specified by the relevant product standard:5 n2 s! ]% Q h, x) `9 |
- for d.c. power ports and interconnection lines five positive and five negative surge9 |: ~# z! f3 D9 G( Y% u5 p
pulses;$ P- x1 @: t- \$ v% i
- for a.c. power ports five positive and five negative pulses each at 0º, 90º, 180º and at" R! X; ?$ J# T$ x
270º;
( T1 ]) y0 X, l* U" y% p– time between successive pulses: 1 min or less;
# _- x. z' R% I+ V6 n6 Y– representative operating conditions of the EUT;; v8 s; H* f% Y& r: e: u
– locations to which the surges are applied. |
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