What size cable do I need?

[electricshock]

Machine uses total power of 75kva. 22kw. 3 phase.

What size cable will I need for this machine?

 

[KAS1]

What length is a piece of string ?

 

[MDJ]

What length is a piece of string ?

If it is folded in half it is half the length when it is run out straight

 

[MDJ]

Machine uses total power of 75kva. 22kw. 3 phase.

What size cable will I need for this machine?

We need much much more, think about it and repost

 

[electricshock]

It will be about 35 meters length clipped direct on wall

 

[Octopus]

SO what size cable would you think?

 

[D Skelton]

You got bigger problems here than cable size, with a P.F. of 0.3 you're gonna want to work out how you go about correcting that first!

 

[Geordie Spark]

It will be about 35 meters length clipped direct on wall

Is that 35 electric meters or 35 gas meters?

( metres )

 

[electricshock]

What details do I need?

 

[LeeH]

You got bigger problems here than cable size, with a P.F. of 0.3 you're gonna want to work out how you go about correcting that first!

Lol, well spotted.

 

[electricshock]

I haven't done machine this big before so I'm kinda clueless

 

[Octopus]

I haven't done machine this big before so I'm kinda clueless

I hope you have your tin hat on

 

[electricshock]

I haven't done machine this big before so I'm kinda clueless

I hope you have your tin hat on

I need to get one.

 

[Geordie Spark]

I need to get one.

You can borrow mine.

You'll find it lurking under my bed.

The handles on it makes it easier to lift it onto your head.

 

[Silly Sausage]

Does Tidy rinse it out for you?

 

[electricshock]

Looks like I won't get any help here. Thanks anyway

 

[Octopus]

Looks like I won't get any help here. Thanks anyway

You could try helping yourself and offering the thought process and calculations - or are you a plumber?

 

[Simonslimline]

Are you after help or do you just want someone else to work it all out for you and give you the answers?

Looks like I won't get any help here. Thanks anyway

 

[electricshock]

Haven't done this kind of work and calculations. That's why I don't have a clue.

 

[Geordie Spark]

Does Tidy rinse it out for you?

No ...... she uses it!

 

[SPARTYKUS]

Best to get someone in that does know, and shadow them, then you get to learn, you still earn, and job job gets done.

thats what I have done in past, everyone has a limit.

 

[electricshock]

It would be great if someone can do everything for me.

 

[Brightspark2]

It would be great if someone can do everything for me.

Ha ha wouldn't it just!

Unfortunately that's not how it works.

Your saying you havent done anything of this size before but the cables calculations are just the same as if it was a 16A load...

 

[Octopus]

Haven't done this kind of work and calculations. That's why I don't have a clue.

So do you think you should be doing it?

 

[electricshock]

Il get my books out.

 

[Geordie Spark]

Il get my books out.

Good lad!

Seriously, you'll find some very good stuff on You Tube such as this: QR code 2 -- Protective supplementary bonding test - YouTube and other useful stuff to do with testing etc. as well.

 

[guest119]

If you are/were an apprentice trained spark you should be able to do this even if it means digging as far down as your toes to remember how.
If you are not a spark then you are asking for info which will take work away from a spark.
The best way to get help on here is to try yourself and post the results. Strangely, you will get more help if you get it obviously wrong.
Meantime for everybody to prepare to help you you need to provide more info. Ambient temp., ze, type of proposed cable etc, etc.

Boydy

 

[shanky887614]

If you are/were an apprentice trained spark you should be able to do this even if it means digging as far down as your toes to remember how.
If you are not a spark then you are asking for info which will take work away from a spark.
The best way to get help on here is to try yourself and post the results. Strangely, you will get more help if you get it obviously wrong.
Meantime for everybody to prepare to help you you need to provide more info. Ambient temp., ze, type of proposed cable etc, etc.

Boydy

And if he is a Electrical Trainee the formula should still be on his desk with the ink still fresh

 

[guest119]

And if he is a Electrical Trainee the formula should still be on his desk with the ink still fresh

Electrical Trainee, tp&n, boom!

Boydy

 

[Engineer54]

Don't electrical trainee's come with the handle of ''Domestic Installer'' ?? So what's he doing messing around with what will be a 3 phase machine that is definitely not a part of a domestic installation?? This is yet another problem with these fast trackers, they end up believing they are qualified to take on any electrical work in any of the industry sectors. They just come on here to ask the questions ...HOW!!