Vibration at Busbar 1

[azril83]

Good Day Guys,
Its quite long time, i haven't log in in this forum..I have 1 query regarding the subject mentioned above..can anybody help me to explain this situation..I experienced cracked some insulators at 1.2kV Busbar for static excitation system...I really need somebody to explain why this can be happen..

 

[desertfox]

Hi azril83

More information is needed, however it could be differential expansion due to heat and temperature rise.
Why do you suspect vibration?

regards

desertfox

 

[Elmir]

When was the equipment installed?

If the bus was installed during installion such that stressed was placed on the insulators it may be a matter of time before the insulators crack.

What material are the insulators made of, porcelain?

 

[azril83]

sorry guys for the late reply..actually, my opinion regarding this cracked insulator are poor woormanship during installation, or maybe the material of the insulators itself and maye due to vibration..my friend told me about electrical vibration..but i still don't have any idea regarding this..that is why i need some explanation regarding this issue through this forum..do we have electrical vibration?and how it can happen?

 

[desertfox]

Hi azril83

It is difficult to comment with so little information, busbars maybe subject to vibration under short circuit conditions but under normal current loadings the alternating electromagnetic fields of an AC current are usually small. Have a look at this site:-

http://www.copperinfo.co.uk/busbars/pub22-copper-for-busbars/homepage.shtml

Regards

desertfox

 

[edison123]

desertfox - A lps for that useful link. Thanks.

 

[desertfox]

Hi edison123

Your welcome.

Regards

Desertfox