AC Formulas Three Phase

Three Phase AC Formulas Check Values

Find formulas for these calculations in Reference Formulas Appendix page 7 and 8.

Find practice problems HERE.

These check values work for all AC circuits if three phase.

Three Phase

P = 8832 watts

I = 30.6439 amps

E = 208 volts

pf= .8

W = 9600 watts

VA = 12000 volt amperes

eff = .92

HP = 10.892

R = 5.43 ohms

XL = 4.0725 henries

Z = 6.7876 ohms

VAR = 7200 VAR's

sin of the phase angle = .6

cos of the phase angle = .8

tan of the phase angle = .75

angle in degrees = 36.8698

HZ  = 60 cycles

 

 
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