I take it that the grounded screen wire doesn't normally carry any current? I assume all loads at this voltage level would be delta (phase-phase) with no neutral connection?
@0greecemonkey0 I think using a hammer and a nail is quicker than going to find a nailgun somewhere. Plus they wanted to be sure that the nail was at the correct depth. A nailgun wouldn't even get a nail into that cable probably.
That's not very much, actually. The engines of a swedish Rc-locomotive pulls a nifty 2,5 kA at maximum power. That is at 900 volts, so that makes for over 2 MW each. Although, the locomotive is rated at 3,6 MW total (four engines), so that's only temporarily during starts from standing still.
33KV times 3KA is 99MW though. And it running though much smaller conductors designed only for fault protection.. Whatever way you look at it 99 000 000 Watts is alot of power...
The 33kV cable in this video is used to provide AC power between substations and local distributers. It has solid aluminium or stranded copper conductors, a semi-conducting XLPE (Cross-Linked Polyethylene) conductor screen, XLPE insulation and semi-conducting XLPE insulation screen, water blocking tape, a copper wire screen (with Copper Equalising Tape) and a graphite coated MDPE (Medium Density Polyethylene) sheath.
Network Rail is a Company in England that manages the Railway system, so presumably these cables have something to do with distributing the Electricity to a Railway, although the Railway probably won't run on 33kV, but will be stepped down at a Substation beside the Railway for use.
Yes you're right. Grid power is taken to switching stations (substations) then power is fed from there to the lineside substations at 33kv where it is stepped down and transformed to 750v DC for the third rail supply.Third rail requires lots of subs only a few miles apart due to the voltage drop so many miles of 33kv cable are used to supply them.
Sounds like the guy who played the captain in the film titanic.
Alex1M6 1 month ago
Gotta love anything involving electricity that need to be observed from a bunker....
Snoep76239 2 months ago
"verified of baNAHna strippable" LOL love the accent
Snoep76239 2 months ago
Girl needs a sandwich!
drm315 3 months ago
Comment removed
MattacksRC 6 months ago
Blah blah blah... sparks start at 3:23
Spoif 6 months ago
Careful preparation means lets' get the hell out of here!!!
madisonelectronic 6 months ago
This has to be the most boring video on youtube! Cables fascinating............not!
Gruffington31 6 months ago
@Gruffington31 this video has 89,000 MORE views than all of your videos combined so obviously all your videos are more boring than this video
SpaceMountainLarry 6 months ago
@SpaceMountainLarry good point!!
Gruffington31 6 months ago
@Gruffington31 my vids are pretty boring too haha =)
SpaceMountainLarry 6 months ago
@Gruffington31 this video has been up almost 3 years which is an unfair comparison.
Gruffington31 6 months ago
This has been flagged as spam show
i wanna see it at 6k amps!!
lokeycmos 8 months ago
lol, a PIG TAIL! that souds so funny...
periesicsd 8 months ago
I take it that the grounded screen wire doesn't normally carry any current? I assume all loads at this voltage level would be delta (phase-phase) with no neutral connection?
ApolloWasReal 9 months ago
Pretty engineer! ;-)
ChuffChuffWoo 9 months ago 2
"kiloamp". Well, *there's* a word we don't hear too much.
What is "Network Rail"?
utubesnamepolsux 1 year ago
@utubesnamepolsux Network Rail is the company which owns and operates most of the railway infrastructure in the United Kingdom.
jjward 1 year ago
what the hell wheres the spiking gun!!!!? hammer and nails? hahaha dark ages ae
0greecemonkey0 1 year ago 7
@0greecemonkey0 I think using a hammer and a nail is quicker than going to find a nailgun somewhere. Plus they wanted to be sure that the nail was at the correct depth. A nailgun wouldn't even get a nail into that cable probably.
Engineer9736 4 months ago
@Engineer9736 i take it you have never seen a "spiking gun"? haha its nothing like a nailgun
0greecemonkey0 4 months ago
The correct way to blow stuff up-from the safety of an observation room.
Nivicoman 1 year ago
Excellent footage.
I'm involved in tracing and locating cable faults in the Auckland distribution network.
Have done a few cable spikes on 11kV and 33 kV cables.
This makes you see what can happen when the cable was accidentally alive under a high fault current.
We stand well clear when triggering the spike gun, now I see why.
RODALCO2007 1 year ago
Thats a lot of preparation just to strip and crimp the konnector!
psychotikpaisano 2 years ago
kilo amps wtf ?
cejenner 2 years ago
That's not very much, actually. The engines of a swedish Rc-locomotive pulls a nifty 2,5 kA at maximum power. That is at 900 volts, so that makes for over 2 MW each. Although, the locomotive is rated at 3,6 MW total (four engines), so that's only temporarily during starts from standing still.
Tjita1 2 years ago 2
Not that much? That's as much as a small nuclear reactor!
You must be really hard to impress! :D
wwwdotmsndotcom 2 years ago
Comment removed
Driv3th3hiv3 2 years ago
Comment removed
Driv3th3hiv3 2 years ago
This has been flagged as spam show
You idiot
All four reactors at chernobyl could push out 1000MW (Gigawatt) each (4 RBMK's)
Voltage =/= Current
Driv3th3hiv3 2 years ago
33KV times 3KA is 99MW though. And it running though much smaller conductors designed only for fault protection.. Whatever way you look at it 99 000 000 Watts is alot of power...
demon6point66 1 year ago
As in Kilo = 1000
demon6point66 1 year ago
i can make fire with newspaper and a lighter.
thats way cheaper.
krassersmudda 2 years ago
why use a lighter when you can use high voltage electricity? i have my own high voltage supply at home just for this purpose. :D
Jet3800 2 years ago
This has been flagged as spam show
fuck i would bang her
livefreeinuk1 2 years ago
6 kilo-amps aye. That's sick. I'd love to see someone touching the cable at 6 kilo-amps :D
And just like that .... poooofff ..... he's gone.
F3nd3r2684 2 years ago
we regularly do 10+ kA tests at work :)
elgavilan2000 2 years ago
excuse me, did he just said 6 kilo-amps???!?!?!?!
260830107 2 years ago
ssssrrriinnnnk ....ups
motoshop4 2 years ago
This has been flagged as spam show
very.
crapkillerz 2 years ago 7
I get aggrevated just stripping down heliax cables ;-P
DJGahann 2 years ago 2
1,500 degrees celcius?! that's phenomenal.
RepoMan550 2 years ago
The 33kV cable in this video is used to provide AC power between substations and local distributers. It has solid aluminium or stranded copper conductors, a semi-conducting XLPE (Cross-Linked Polyethylene) conductor screen, XLPE insulation and semi-conducting XLPE insulation screen, water blocking tape, a copper wire screen (with Copper Equalising Tape) and a graphite coated MDPE (Medium Density Polyethylene) sheath.
Elandcables 2 years ago 2
@Elandcables For 33kv cable not graphite coated do we require to do sheath test after installation on site ? Please reply. thanks
manaskhatre 1 year ago
Comment removed
0greecemonkey0 1 year ago
This has been flagged as spam show
@Elandcables For 33kv cable not graphite coated do we require to do sheath test after installation on site ? Please reply. thanks
manaskhatre 1 year ago
the cable is hard to strip,because of its capacity
lapulapu12345 3 years ago
Network Rail is the name of the company here in england that builds and maintains the UK railway infrastructure.
bendingspring 3 years ago
What railway runs on 33kv?
soundseeker63 3 years ago
The word "rail" sometimes f refers to a buss or stable power supply source cable. I think that's wa hat he may be saying.
quantumbits 3 years ago
Network Rail is a Company in England that manages the Railway system, so presumably these cables have something to do with distributing the Electricity to a Railway, although the Railway probably won't run on 33kV, but will be stepped down at a Substation beside the Railway for use.
laryk500 2 years ago
It could also be a supply line that feeds the D.C transformers for the rail cars. High voltage A.C is easier to transport over long distances.
acronus 3 years ago
Yes you're right. Grid power is taken to switching stations (substations) then power is fed from there to the lineside substations at 33kv where it is stepped down and transformed to 750v DC for the third rail supply.Third rail requires lots of subs only a few miles apart due to the voltage drop so many miles of 33kv cable are used to supply them.
jbhell27 3 years ago
Ah yes feeder stations. Now I see!!
soundseeker63 3 years ago