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求组各位EMC大大~~
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( E; M) l- O1 |章节6里面A simplified test method is permitted for equipment that undergoes minor changes or updates,# K( P, |8 N7 r* {
provided that, in previous full compliance tests, it has been shown to have current emissions( Y6 S$ v8 D- y" e
below 60 % of the applicable limits and the THD of the supply current is less than 15 %. The
0 j3 r2 A: f4 \1 |8 w, _simplified test method consists of verifying that the updated equipment has an active input
: x) g% y$ f5 v3 T$ ?7 T1 dpower within ±20 % of that of the originally tested product, and that the THD of the supply3 H- ]! t, E& K. o
current is less than 15 %. Products that fulfill these requirements are deemed to comply with
+ {- n- d- ]3 `- x' g3 b: Q5 Ithe applicable limits, but in case of doubt the result of a full compliance test according to
2 ?( l( S% ~4 y2 G3 Q/ AClauses 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。9 k+ F$ ^# ?. H# ?" t1 Q* k
我之前完成测试时满足谐波低于60%,THD低于15%。 f9 q/ k& k( x2 Y$ ]0 f6 l
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?
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