How to calculation the creapage distances?

那位DX能帮我算算creapage distances:
Working voltage rms: 380V
在表格中查出已知条件:
300Vrms: 3.2mm
400Vrms: 4.0mm
怎样计算380V的creapage distances?
希望高手指导一下,很急呀

全部回复(5)

只看楼主

正序查看

倒序查看

LV.6

2006-12-18 09:30

到下面来问,我来答复你!
http://fasten.uu1001.com/index.php

LV.4

2006-12-20 21:29

没人帮我呀.........
期待ing

LV.2

2006-12-28 15:21

用内差法计算.D-3.2/4.0-3.2=380-300/400-300
求的D=3.84取3.9

LV.4

2007-01-04 13:07

@susan_nuaa

用内差法计算.D-3.2/4.0-3.2=380-300/400-300 求的D=3.84取3.9

What theory or standard can support your formulation?
can you provide detail standard for us reference?
Thanks!

LV.2

2007-01-04 13:26

@sontime

Whattheoryorstandardcansupportyourformulation?canyouprovidedetailstandardforusreference?Thanks!

IEC60950 or GB4943.

工程师都在看