Can I get help with the question

[Blasterbruce]

Hey so I need help understanding this question and understanding it in the NEC.The service to a multistory building is 277/480-volt, 3-phase, 4-wire. There are 125 120-volt, duplex, general-purpose receptacles to be installed on each floor. A 3-phase, 480-volt primary, 120/208-volt secondary transformer is to be installed on each floor to supply the receptacles. Calculate the transformer secondary kilovolt-ampere (kVA) devoted to only the general-purpose receptacle load.
Being that we don’t know how many floors there are at the time we would not try and find the feeder demand for the outlets.

 

[Blasterbruce]

Hey so I need help understanding this question and understanding it in the NEC.The service to a multistory building is 277/480-volt, 3-phase, 4-wire. There are 125 120-volt, duplex, general-purpose receptacles to be installed on each floor. A 3-phase, 480-volt primary, 120/208-volt secondary transformer is to be installed on each floor to supply the receptacles. Calculate the transformer secondary kilovolt-ampere (kVA) devoted to only the general-purpose receptacle load.
Being that we don’t know how many floors there are at the time we would not try and find the feeder demand for the outlets.

Anyone?

 

[James]

Have you asked your lecturers about the problem?

 

[Blasterbruce]

I’m on my own for this one and I can’t seam to get it right

 

[Lucien Nunes]

This is non-dwelling, yes? One transformer serves 125 duplexes. So how many VA per strap? Total? Over 10kVA so apply load factor calculation? Show your working so far...