M Mr Roboto New member Joined Feb 25, 2013 Messages 4 Reaction score 1 Feb 25, 2013 #1 Does anyone know if this solution for 1.6 is correct? Where is the j250 coming from for S1? 0079-001.pdf Attachments 0079-001.pdf 265.5 KB · Views: 53
Does anyone know if this solution for 1.6 is correct? Where is the j250 coming from for S1? 0079-001.pdf
Flyer_PE Jr. PE / Sr. Company Pilot Joined May 18, 2007 Messages 4,532 Reaction score 595 Location Tennessee Feb 25, 2013 #2 Without actually verifying their numbers, it appears correct. A 250 kW load with a lagging power factor of 0.707 can be re-written as 353 kVA at 45o = (250 + j250) kVA
Without actually verifying their numbers, it appears correct. A 250 kW load with a lagging power factor of 0.707 can be re-written as 353 kVA at 45o = (250 + j250) kVA
G gdisalvo New member Joined Feb 8, 2011 Messages 1 Reaction score 0 Feb 25, 2013 #3 The load has a pf = 0.707 so that the complex apparent power S = 250/pf angle inv cos(pf) = 353.6 angle 45 = 250 (kW) + j * 250 (kvar). Yes, the solution looks correct.
The load has a pf = 0.707 so that the complex apparent power S = 250/pf angle inv cos(pf) = 353.6 angle 45 = 250 (kW) + j * 250 (kvar). Yes, the solution looks correct.
M Mr Roboto New member Joined Feb 25, 2013 Messages 4 Reaction score 1 Feb 26, 2013 #4 Thank you Flyer and gdisalvo!
