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diler 发表于 2014-6-16 10:14 " H; i* Z( _7 V0 m% B2 v3 i; z# t
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 f! }/ ]( k4 D. u7 s
EN 61000-4-5:20065 L& m" e6 o. l3 g
8.2 Application of the surge in the laboratory
% W$ X0 H/ f: z! {, a* P1 J– test level (voltage) (refer to Annex A);& m1 f8 }* O: l# r' f2 |
– number of surges:
6 ?* ^6 _4 m. x: @* ~$ _5 p8 nnumber of surge pulses unless otherwise specified by the relevant product standard:- S, X% Q0 i, Q% ~
- for d.c. power ports and interconnection lines five positive and five negative surge$ L1 W" V# B/ X2 P: D
pulses;0 c& `* [1 C- V; \; i" e
- for a.c. power ports five positive and five negative pulses each at 0º, 90º, 180º and at
$ N4 W/ g, ?6 i' Y1 Y270º;# X- X4 Z' A3 ]* x) ?7 q p2 R
– time between successive pulses: 1 min or less;
0 X6 v6 _% F; s4 ?9 f– representative operating conditions of the EUT;
2 a! ^4 p* h; e2 d– locations to which the surges are applied. |
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