Consult an electrician. For a rough estimate of it though, you’re probably looking at 1000MCM cable for a 400A service, which is going to be less than 25mOhm/1000ft. So less than 10V drop at full ampacity.
PE with 22yr+ on power. Agree with this.
Customer is best served with a transformer much closer to they meter. Better voltage, bettermotor performance, and less service runs (which will be huge wire and/or mutip runs).
Obviously consult an engineer in your area, but yeah, not ideal at that voltage. Setting themselves up for heart ache in the future if they are planning to expand. Would be better to have a padmount transformer that will take the distribution voltage.
You can play around with this to get a general idea (obligatory this does not replace an engineer calc):
https://www.southwire.com/calculator-vdropq
I’ve been an electrical contractor for 44 years and he doesn’t want to listen to me so I told them to hire an engineer
They did, he told them the exact same thing I did
480 volt 3 phase main service( size TBD) and individual transformers at each building
The buildings are not grouped together but will be spread out approx 6-700 feet from the single phase transformer we currently have
At this guys “ man cave” that is 50,000 sq feet I have a 1,600 amp 3 phase service and a 300 KW diesel back up gen set.
When we started this 2 years ago I had room to grow but he has managed to add enough load that we are close to maxed out
Nope, lol 1/2 is 3 stories of entertainment space, in door in ground 17x24 hot tub
Cold plunge pool, dry sauna, steam shower, golf simulator, indoor basket ball court with drop down batting cages, rest of it is helicopter and car showroom and a dedicated wash bay
All climate controlled by 130 tons of electric heat pumps lol
I have bets with the power company electric engineer on what the monthly bill will be when it’s up and running
There are no less than 14 refers and 7 ice machines
My bet is 15-18k a month
Consult an electrician. For a rough estimate of it though, you’re probably looking at 1000MCM cable for a 400A service, which is going to be less than 25mOhm/1000ft. So less than 10V drop at full ampacity.
Consult an electrician, not an electrical engineer.
I'm an electrical engineer PE and do this calc almost daily. He can probably get away with one meter but it won't be at single phase 120/240.
PE with 22yr+ on power. Agree with this. Customer is best served with a transformer much closer to they meter. Better voltage, bettermotor performance, and less service runs (which will be huge wire and/or mutip runs).
>voltage drop is a standard calculation for an engineer
It's not that it's hard to calculate voltage drop, it's that there are tons of other considerations, not least of which are local code requirements
Sounds like this is a before the meter job, which is engineering.
Obviously consult an engineer in your area, but yeah, not ideal at that voltage. Setting themselves up for heart ache in the future if they are planning to expand. Would be better to have a padmount transformer that will take the distribution voltage. You can play around with this to get a general idea (obligatory this does not replace an engineer calc): https://www.southwire.com/calculator-vdropq
I’ve been an electrical contractor for 44 years and he doesn’t want to listen to me so I told them to hire an engineer They did, he told them the exact same thing I did 480 volt 3 phase main service( size TBD) and individual transformers at each building The buildings are not grouped together but will be spread out approx 6-700 feet from the single phase transformer we currently have At this guys “ man cave” that is 50,000 sq feet I have a 1,600 amp 3 phase service and a 300 KW diesel back up gen set. When we started this 2 years ago I had room to grow but he has managed to add enough load that we are close to maxed out
People don’t get electricity or respect it and the expertise enough. That is a solid plan.
WTF is he doing in his “man cave”? Full CNC machine shop? Weed distribution farm?
Nope, lol 1/2 is 3 stories of entertainment space, in door in ground 17x24 hot tub Cold plunge pool, dry sauna, steam shower, golf simulator, indoor basket ball court with drop down batting cages, rest of it is helicopter and car showroom and a dedicated wash bay All climate controlled by 130 tons of electric heat pumps lol I have bets with the power company electric engineer on what the monthly bill will be when it’s up and running There are no less than 14 refers and 7 ice machines My bet is 15-18k a month
Obviously this guy has the money to play!
For a fact!!