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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,2 i+ f6 A, d* c) t, k
provided that, in previous full compliance tests, it has been shown to have current emissions3 U1 E9 s' j6 l. g4 U
below 60 % of the applicable limits and the THD of the supply current is less than 15 %. The
2 O6 _# ^4 p1 @$ Gsimplified test method consists of verifying that the updated equipment has an active input0 b$ p: T4 `1 }$ E- ]- K
power within ±20 % of that of the originally tested product, and that the THD of the supply
' i6 z2 t; `1 U* b% xcurrent is less than 15 %. Products that fulfill these requirements are deemed to comply with
" S+ _, O$ P1 n' n3 C% U8 Y, h9 \the applicable limits, but in case of doubt the result of a full compliance test according to# G% @6 o4 m7 [+ t0 o4 F
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。2 o0 ~( c4 S, l B# ]* {. p
我之前完成测试时满足谐波低于60%,THD低于15%。& X8 \& r3 o( D' W, c8 S8 ?& r) P
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?/ n3 j, z) X; F' k7 D9 K
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