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diler 发表于 2014-6-16 10:14 
% I: k4 w% r5 T6 }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 W5 Y/ m; A2 e6 _* R5 AEN 61000-4-5:2006, a2 Z9 t7 u/ U8 r2 B; a1 ^
8.2 Application of the surge in the laboratory
9 ^3 W8 ^* I* `( t– test level (voltage) (refer to Annex A);9 T! h! r$ I# w; G
– number of surges:) K8 l3 T* t. w, w4 w8 g
number of surge pulses unless otherwise specified by the relevant product standard:
" |/ O0 j* `6 T9 T2 `1 i/ x( ?- for d.c. power ports and interconnection lines five positive and five negative surge! [' H7 b" D5 O
pulses;
! y8 ]# }' L; f/ j6 ]7 [6 ], y- for a.c. power ports five positive and five negative pulses each at 0º, 90º, 180º and at
) T8 x( f9 H0 U! b$ ?- M270º;, T4 J2 C( k9 I/ u# |/ a
– time between successive pulses: 1 min or less;' C! }. W, P! h6 f0 }
– representative operating conditions of the EUT;/ a3 F+ ^# c& i3 D! X" h
– locations to which the surges are applied. |
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