标题: 61000-3-2，class A产品的一问 [打印本页] 作者: chas 时间: 2008-6-23 18:12 标题: 61000-3-2，class A产品的一问 请问一下，之前听实验室有提到在IEC/EN 61000-3-2中的class A的产品，75W以下的产品並沒有Limit，請問真的是這樣嗎？這段話又是在61000-3-2法規的那個章節中啊，不好意思以我的破英文程度找不到在那裡，請知道的大大告知一下，謝謝作者: H-RH 时间: 2008-6-23 18:53
IEC 61000-3-2:2005 paragraph 7 ' l, M* Q9 B) m& R" ]4 X( s! ?2 u; V% K7 |" [+ Y: p! M
7 Harmonic current limits) d3 c6 U* P8 z1 `, C2 r4 j. o' @
The procedure for applying the limits and assessing the results is shown in Figure 1.8 C" P) w: f6 r, z) z8 z6 E v6 i For the following categories of equipment, limits are not specified in this standard: 9 |) @! o; \* `9 z- Q& [NOTE 1 Limits may be defined in a future amendment or revision of the standard.$ q6 G+ q. T" Q! Z N P+ S" u$ M
– equipment with a rated power of 75 W or less, other than lighting equipment;$ s1 z3 x5 M+ _
NOTE 2 This value may be reduced from 75 W to 50 W in the future, subject to approval by National Committees / q, h1 f w' \. L5 A, F$ rat that time. 4 ?( b8 o6 J+ O3 b% l– professional equipment with a total rated power greater than 1 kW; * L: b# c6 |# g; @– symmetrically controlled heating elements with a rated power less than or equal to 200 W; 3 w8 q% E' S6 n– independent dimmers for incandescent lamps with a rated power less than or equal to' Y' k- \7 S0 o* w
1 kW.