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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! r' t+ f& i" X6 m. n! W

7 D0 K! ^" ], t  |* }5 r+ p( @7 Harmonic current limits
* S5 X; w8 o# t; L/ P+ bThe procedure for applying the limits and assessing the results is shown in Figure 1.: J. v8 H( D6 u' A$ R2 a6 X2 m
For the following categories of equipment, limits are not specified in this standard:
3 W0 X% m# B, ~2 D8 f5 sNOTE 1 Limits may be defined in a future amendment or revision of the standard.
5 E4 d  N3 j, N! T– equipment with a rated power of 75 W or less, other than lighting equipment;
  d/ r6 j" @4 C) S- R
NOTE 2 This value may be reduced from 75 W to 50 W in the future, subject to approval by National Committees
- F0 x( b9 C# n% t/ @" E. T5 ~at that time.1 }+ J/ h1 f4 @4 X2 U  \
– professional equipment with a total rated power greater than 1 kW;
9 s9 q% q. E6 ]– symmetrically controlled heating elements with a rated power less than or equal to 200 W;
% S3 L4 w% L# [7 \+ M( g5 Z8 t( K% Y– independent dimmers for incandescent lamps with a rated power less than or equal to& H, d' H: m. j7 R4 Z; f% L
1 kW.




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