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求组各位EMC大大~~
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章节6里面A simplified test method is permitted for equipment that undergoes minor changes or updates,6 ?/ h; f1 R, ` B/ P7 s
provided that, in previous full compliance tests, it has been shown to have current emissions
# M2 G9 D6 R; h* F* }0 ?" Lbelow 60 % of the applicable limits and the THD of the supply current is less than 15 %. The
+ D3 k; U/ l) G+ k. |" ]simplified test method consists of verifying that the updated equipment has an active input
) _& g$ x( D! u& g* ppower within ±20 % of that of the originally tested product, and that the THD of the supply
2 [! j1 ~1 d3 n5 r1 D+ D( I* Ucurrent is less than 15 %. Products that fulfill these requirements are deemed to comply with
* d2 G% A& k9 J* M$ C Vthe applicable limits, but in case of doubt the result of a full compliance test according to
% z: i7 v6 h& T/ mClauses 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。1 U+ |5 j9 L9 L" H+ k
我之前完成测试时满足谐波低于60%,THD低于15%。; r% v! S# {( K
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?2 S* Q4 d- P" @! |1 v0 W; h
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