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求组各位EMC大大~~
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2 r* c/ u$ L/ b; V) y章节6里面A simplified test method is permitted for equipment that undergoes minor changes or updates,+ f, W- ]$ _& _" `
provided that, in previous full compliance tests, it has been shown to have current emissions' S4 N3 J9 N: U5 [# W$ j
below 60 % of the applicable limits and the THD of the supply current is less than 15 %. The: g) Q H# O2 s: \0 P
simplified test method consists of verifying that the updated equipment has an active input. |& y: u; }; a
power within ±20 % of that of the originally tested product, and that the THD of the supply
9 J) J0 B4 n! U+ ^$ b6 tcurrent is less than 15 %. Products that fulfill these requirements are deemed to comply with
; M4 _) A: H7 e- Lthe applicable limits, but in case of doubt the result of a full compliance test according to
, e" z2 t6 e7 N- DClauses 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。0 @( F8 E; i0 q( o/ x" D9 _2 F
我之前完成测试时满足谐波低于60%,THD低于15%。) A0 v L. z3 G1 m
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?2 f+ x0 \- C/ h0 q/ {
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