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diler 发表于 2014-6-16 10:14 8 A3 r# f: s! m, a
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! ' `7 w p/ F, F$ D/ M4 x
EN 61000-4-5:2006- m' d Y& J5 U" k* z, k( N
8.2 Application of the surge in the laboratory
- ], d. J; ^7 ^+ n– test level (voltage) (refer to Annex A);2 H6 j8 o; r8 z
– number of surges:
1 s) |1 |& L( b2 {( t- T6 H; Onumber of surge pulses unless otherwise specified by the relevant product standard:% J2 Z9 A( x' O+ u5 m( w% d( G, w
- for d.c. power ports and interconnection lines five positive and five negative surge$ T, A3 Q; W5 C& y/ X: e
pulses;
6 R1 e; s/ W) e+ s0 t- for a.c. power ports five positive and five negative pulses each at 0º, 90º, 180º and at8 Q- x7 _1 Q* N+ d
270º;
' J- |* @8 A1 j. d– time between successive pulses: 1 min or less;- U' c% ~, q' l. X. w: M# E
– representative operating conditions of the EUT;
' J9 ^/ |" u! \- L– locations to which the surges are applied. |
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