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diler 发表于 2014-6-16 10:14 
9 S3 p, b+ Q, q& J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！
EN 61000-4-5:2006( b7 ^7 j# b: k8 X8 }1 c
8.2 Application of the surge in the laboratory
) o" d3 n. P# Q. r& S' _! Z' d# l– test level (voltage) (refer to Annex A);3 }3 F/ w! H" E, [# ^6 T9 Z
– number of surges:
. W- o( S+ b, ]6 }3 N) Hnumber of surge pulses unless otherwise specified by the relevant product standard:+ X! j3 S0 P1 h8 h& u
- for d.c. power ports and interconnection lines five positive and five negative surge! Q7 r7 I9 O" a1 v2 y# M# E6 j
pulses;: p; F" Z: e6 A+ p- i9 Z
- for a.c. power ports five positive and five negative pulses each at 0º, 90º, 180º and at
/ W, Q) X) r2 K& r/ _270º;. u5 l$ _% @" D4 ?) O7 G5 L$ G
– time between successive pulses: 1 min or less;& s1 u% I) ?: y
– representative operating conditions of the EUT;
5 A- y, J1 Q) \– locations to which the surges are applied. |
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