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diler 发表于 2014-6-16 10:14 0 N1 t( {( J% v" S! P0 G4 k
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! 2 y3 G+ v- ~7 y; {, z1 N8 V4 k
EN 61000-4-5:2006
3 V5 W, P, z% u; p. w* U/ B8.2 Application of the surge in the laboratory/ E9 ]$ ], b. e6 F5 Z5 _
– test level (voltage) (refer to Annex A);
# S7 V5 Z- M8 T5 o– number of surges:
$ L9 M( l# c8 C! `# w. \4 \# inumber of surge pulses unless otherwise specified by the relevant product standard:1 W1 b& Z$ ^2 b
- for d.c. power ports and interconnection lines five positive and five negative surge
5 d( j) ?2 M @, ^3 R2 ]4 V1 |pulses;1 w D. K3 t6 T2 w
- for a.c. power ports five positive and five negative pulses each at 0º, 90º, 180º and at0 ?% u' s; P* w/ b3 X2 C) U) O
270º;
3 k5 n# h9 r, ~ e' q% l# h– time between successive pulses: 1 min or less;
2 ^' _1 ~. C5 x+ ~– representative operating conditions of the EUT;; c! C9 [/ i1 E {$ e
– locations to which the surges are applied. |
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