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求组各位EMC大大~~+ q) t4 C. C8 s* h
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/ m3 l# v! f M- M! B7 D5 D章节6里面A simplified test method is permitted for equipment that undergoes minor changes or updates,! [6 l9 [6 L) y/ v
provided that, in previous full compliance tests, it has been shown to have current emissions
# m* g! d& F- R( obelow 60 % of the applicable limits and the THD of the supply current is less than 15 %. The' p: W7 K$ ~/ e. G
simplified test method consists of verifying that the updated equipment has an active input- Z$ g3 b& _' |' d* H4 H
power within ±20 % of that of the originally tested product, and that the THD of the supply9 q$ u' Q0 M+ p' x/ R. l: x f
current is less than 15 %. Products that fulfill these requirements are deemed to comply with8 F+ L# _/ S& _ J8 `9 ^
the applicable limits, but in case of doubt the result of a full compliance test according to# L2 l. R) O; v; W9 K" V/ 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。' @3 ^- y8 o) s# V4 {
我之前完成测试时满足谐波低于60%,THD低于15%。5 w$ U) c. {( o( U$ f9 j4 h; J
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?& T9 z4 z1 k* P" p
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