treyp3
Member
- Location
- Fernandina Beach Fl
what is the 3 phase demand load in kw for 40 1 phase 5 kw dryers supplied by a 120/208v 3 phase 4 wire system.
I get 68.25kw like this: 40/3=14 dryers x 2 per phase = 28 dryers. 35-2.5=32.5%
28x5kw=140kw x 32.5%=45.5kw. 45.5/2=22.75 x 3 phases =68.25
The test book gives nearly three times this amount as an answer. Am I way off?
I get 68.25kw like this: 40/3=14 dryers x 2 per phase = 28 dryers. 35-2.5=32.5%
28x5kw=140kw x 32.5%=45.5kw. 45.5/2=22.75 x 3 phases =68.25
The test book gives nearly three times this amount as an answer. Am I way off?