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diler 发表于 2014-6-16 10:14 
8 e$ c6 z, @4 z4 F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! 6 Z5 ?& B+ O, i) |6 b' X$ }9 g
EN 61000-4-5:2006
5 m, |# O1 i% G0 Z: L8.2 Application of the surge in the laboratory O! y9 X3 C! `' P _' O% u' @
– test level (voltage) (refer to Annex A);
9 k9 E& j; _5 ?0 b$ z: I" d6 [% ^% g1 _– number of surges:* B& o: T8 ?' P
number of surge pulses unless otherwise specified by the relevant product standard:
- b: L- k* S" y- for d.c. power ports and interconnection lines five positive and five negative surge5 J3 `1 F; h1 y* n% v8 |
pulses;- z5 ^) E( ?2 ^
- for a.c. power ports five positive and five negative pulses each at 0º, 90º, 180º and at6 e0 B+ _' {$ ^0 e6 p, R* Z2 i) H
270º;
7 h+ @' o% U4 N/ \/ ]* m4 B; _+ z– time between successive pulses: 1 min or less;- l i+ g u0 }# @# X% Y1 F) B& D( [3 C3 n
– representative operating conditions of the EUT;1 m" ]5 X$ j+ H9 O6 ]
– locations to which the surges are applied. |
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