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求组各位EMC大大~~& N$ q. G, Z# Z, q$ ?! k0 I* Z& n
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章节6里面A simplified test method is permitted for equipment that undergoes minor changes or updates,
) y8 Y( |. K0 Q6 b* v1 [provided that, in previous full compliance tests, it has been shown to have current emissions' l* ?* S" k7 k: w" S
below 60 % of the applicable limits and the THD of the supply current is less than 15 %. The. k6 m" T$ {7 n9 b1 i/ A% x5 r
simplified test method consists of verifying that the updated equipment has an active input+ S0 Q, `) G) O6 h( Z$ `/ _; c0 ^
power within ±20 % of that of the originally tested product, and that the THD of the supply# ~. G3 p1 N4 x: u, ^* p. U; q
current is less than 15 %. Products that fulfill these requirements are deemed to comply with4 s& B. S. y: u1 o
the applicable limits, but in case of doubt the result of a full compliance test according to5 d, A; y( D! X, w
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。 a9 \# Y* j9 w! P
我之前完成测试时满足谐波低于60%，THD低于15%。, Q! V5 x: H6 I0 t' R
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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发表于 2015-1-30 11:40
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