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diler 发表于 2014-6-16 10:14 - s1 E5 y0 r( `( s4 }9 k- D
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! ! B! A5 w% e1 @
EN 61000-4-5:2006
, ~9 |) ?5 W* f* _( l1 e, u8.2 Application of the surge in the laboratory
& \2 ?( {, {0 I Z+ e– test level (voltage) (refer to Annex A);6 q6 G; y7 F& `% R7 A' R8 i3 B
– number of surges:
, {/ V. l7 f3 gnumber of surge pulses unless otherwise specified by the relevant product standard:8 H+ Z5 r. U) {' i# g' \- o1 y8 j! n
- for d.c. power ports and interconnection lines five positive and five negative surge
$ o8 N. f& Y" D, ?; r0 Lpulses;) {" i3 A3 f H+ a5 g
- for a.c. power ports five positive and five negative pulses each at 0º, 90º, 180º and at
, S" R7 l. v4 a# B270º;
1 {) S ?3 j5 o6 f" w' D$ o! [– time between successive pulses: 1 min or less;) _, l, x. M! V3 @3 s
– representative operating conditions of the EUT;
4 C! g' j% Z6 i; L– locations to which the surges are applied. |
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