Jul 25, 2013 #1 J jamesheal Newbie level 1 Joined Jul 22, 2013 Messages 1 Helped 0 Reputation 0 Reaction score 0 Trophy points 1 Activity points 6 I have a large workshop with 3 rows of fluorescent lamps along it. Each row pulls 20 amps. Each row has its own phase. Question is:- how many amps am I pulling from the main DB and how many kVA? Thanks in advance for your help!
I have a large workshop with 3 rows of fluorescent lamps along it. Each row pulls 20 amps. Each row has its own phase. Question is:- how many amps am I pulling from the main DB and how many kVA? Thanks in advance for your help!
Jul 29, 2013 #2 S steveelliott Guest 20A. kVa = 3*20A*phasevoltage/1000 for kVA (phase voltage is the lower number in a three phase system like 120/208 or 277/480 or 240/415)
20A. kVa = 3*20A*phasevoltage/1000 for kVA (phase voltage is the lower number in a three phase system like 120/208 or 277/480 or 240/415)