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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,
/ g9 l9 ?6 E2 c' e0 lprovided that, in previous full compliance tests, it has been shown to have current emissions( U9 Y* O, n' U6 k. S' `2 b! u
below 60 % of the applicable limits and the THD of the supply current is less than 15 %. The
3 `% A$ ~# m+ V7 g* h W# |" Ssimplified test method consists of verifying that the updated equipment has an active input
7 j0 k* n8 S8 Upower within ±20 % of that of the originally tested product, and that the THD of the supply
, M; h- A. {5 x$ Z+ xcurrent is less than 15 %. Products that fulfill these requirements are deemed to comply with
( D) W2 f# M2 z/ Cthe applicable limits, but in case of doubt the result of a full compliance test according to
, V e% _" D1 F' D% R( 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。$ T- W | L9 @! l- X
我之前完成测试时满足谐波低于60%，THD低于15%。" \9 _5 L4 ^( w5 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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发表于 2015-1-30 11:40
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