11000 volt transformer

[efiste2]

Thetman, you beat me to it mate

 

[ricicle]

In the factory I used to be maint. Electrician in the DNO had their own 11kV ring switches which we could not touch. Also there was then one 11kV switch off of this for our site.
Then we had our own main 11kV switch followed by 6 11kV switches for 6 1000kVA TXs

 

[bernardgreen]

Most large stores have thier own transformer which they own. The need qualified maintenance guys to operate this stuff.

I recall one of the first "sky scraper" office towers in London had an 11Kv riser with 11Kv-415v transformers on each of the four plant levels in the building. ( basement. 1/3 up, 2/3 up and just below the roof )

Another had all the 11Kv(?)-415v transformers in the basement and massive bus bars vertically up the building, I recall being told these were square section copper 4 inch by 4 inch with braided expansion joints to allow for temperature changes.

 

[jeepmadmike]

private 11Kv networks are very common, some have there own 33Kv-11Kv transformer feeding it

i work on a couple of sites with 11Kv and 3.3Kv motors etc

Also 3.3kv is occasionally used for private distribution but that is getting very old school


HV operators training aint rocket science, operating some switch gear is!
also the after its gone wrong pictures are very worrying......

Its a very different world to LV in a domestic / light commercial world

 

[ban-all-sheds]

HV operators training aint rocket science, operating some switch gear is!
also the after its gone wrong pictures are very worrying......

 

[jeepmadmike]

i cant find the indian train u tube clip yet!

 

[jeepmadmike]

now i've found it

THIS IS GRAPHIC VIDEO SHOWING WHAT HAPPENS TO A MAN SUFFERING A FATAL SHOCK!

http://www.youtube.com/watch?v=fG7XzD6XjzM

 

[Paul_C]

Privately owned 11kV transformers & switchgear on larger sites are pretty common. The satellite station at which I worked when I was with BT had its own system, with three large diesel-powered 11kV generators for backup in the event of grid failure. In fact when storms were imminent and interruptions likely, we'd have the generators started up and switch to site power as a precaution, even though all essential equipment was on uninterruptible supplies.

 

[ChrisJ78]

Most large stores have thier own transformer which they own. The need qualified maintenance guys to operate this stuff.

I recall one of the first "sky scraper" office towers in London had an 11Kv riser with 11Kv-415v transformers on each of the four plant levels in the building. ( basement. 1/3 up, 2/3 up and just below the roof )

Another had all the 11Kv(?)-415v transformers in the basement and massive bus bars vertically up the building, I recall being told these were square section copper 4 inch by 4 inch with braided expansion joints to allow for temperature changes.

If you're referring to the HSBC tower, my Dad put some of that bus bar in. He said it was flippin heavy stuff.