标题: IEC61000-3-2中章节6的简化测试怎么理解？ [打印本页] 作者: ylgc123 时间: 2015-1-30 11:40 标题: IEC61000-3-2中章节6的简化测试怎么理解？ 求组各位EMC大大~~/ D8 n' }) ~ b/ B2 K
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章节6里面A simplified test method is permitted for equipment that undergoes minor changes or updates, K, b: u! k4 v) N7 d$ _! Nprovided that, in previous full compliance tests, it has been shown to have current emissions8 P/ h2 `" U* ?! ?, ~7 V9 t
below 60 % of the applicable limits and the THD of the supply current is less than 15 %. The , R9 K. [" @" @! m( @2 M# nsimplified test method consists of verifying that the updated equipment has an active input b: W9 `* y9 Z. b) A6 k6 |power within ±20 % of that of the originally tested product, and that the THD of the supply9 i5 X' `2 Z6 R6 Q& k
current is less than 15 %. Products that fulfill these requirements are deemed to comply with / s' \# S: J6 Kthe applicable limits, but in case of doubt the result of a full compliance test according to8 z: n) _% W5 z. t
Clauses 6 and 7 takes precedence over this simplified method.这里是指测试产品之前经过完整的测试，假如对产品进行了细微的升级。# N) {2 \! O5 y: r
我之前完成测试时满足谐波低于60%，THD低于15%。 & f i# R: v( \6 Q. H那么我升级之后的产品如果功率在原来的±20%之间，THD测试值仍低于15%。我就认为是符合要求的？4 K: w3 O0 I& C" E
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