Fangdifa 发表于 2013-8-22 10:55

A类标准与C类标准

所客户反馈,澳洲EMC会有A类标准与C类标准之分,请高手回复一下,这个是什么意思,有点搞不懂,标准不是同样的吗?

stey 发表于 2013-8-22 13:15

A类、B类是基础标准,C类是专业标准。

H-RH 发表于 2013-8-22 13:22

本帖最后由 H-RH 于 2013-8-22 13:24 编辑

5 Classification of equipment
For the purpose of harmonic current limitation, equipment is classified as follows:
Class A:
– balanced three-phase equipment;
– household appliances, excluding equipment identified as class D;
– tools, excluding portable tools;
– dimmers for incandescent lamps;
– audio equipment.
Equipment not specified in one of the three other classes shall be considered as class A
equipment.
NOTE 1 Equipment that can be shown to have a significant effect on the supply system may be reclassified in a
future edition of the standard. Factors to be taken into account include:
– number of pieces of equipment in use;
– duration of use;
– simultaneity of use;
– power consumption;
– harmonic spectrum, including phase.

Class B:
– portable tools;
– arc welding equipment which is not professional equipment.

Class C:
– lighting equipment.

Class D:
Equipment having a specified power according to 6.2.2 less than or equal to 600 W, of the
following types:
– personal computers and personal computer monitors;
– television receivers.

年華 发表于 2013-8-22 13:24

是否有分工业类和民用类,两者限值不一样的

jjlamshushushu 发表于 2013-8-23 11:58

H-RH 发表于 2013-8-22 13:22 static/image/common/back.gif
5 Classification of equipment
For the purpose of harmonic current limitation, equipment is classifi ...

请问:这些个划分出自哪个标准?

stey 发表于 2013-8-23 12:03

jjlamshushushu 发表于 2013-8-23 11:58 static/image/common/back.gif
请问:这些个划分出自哪个标准?

EN 61000-3-2谐波测试第5章节:
5 Classification of equipment (设备的分级)

hfh0597 发表于 2013-9-3 11:33

学习中。。。。

peng_plf 发表于 2014-2-14 09:10

:loveliness:,学习了

huanghan8638 发表于 2014-3-17 14:33

中文版本的好难找
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