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 3 ]+ P& f( }- ?# z : S h' M1 o$ i" e7 Harmonic current limits3 J* _3 ]- G0 x6 {
The procedure for applying the limits and assessing the results is shown in Figure 1. ! W' g+ R7 t& G: K. l1 rFor the following categories of equipment, limits are not specified in this standard: 1 T* S# V$ w# _1 A; V* @9 U( |NOTE 1 Limits may be defined in a future amendment or revision of the standard.: z& h% u2 [9 M$ p) h* Z. O' M
– equipment with a rated power of 75 W or less, other than lighting equipment; o8 n% `1 \, \) C
NOTE 2 This value may be reduced from 75 W to 50 W in the future, subject to approval by National Committees, r5 R; I0 M( {' j* k8 f
at that time.4 t" I, W' s5 \* z p% E# `
– professional equipment with a total rated power greater than 1 kW;- t. J# T: K( }" i/ H8 ]9 v
– symmetrically controlled heating elements with a rated power less than or equal to 200 W;- S$ T, X2 f; b0 T
– independent dimmers for incandescent lamps with a rated power less than or equal to& x8 h0 [0 ^- G2 k$ i
1 kW.