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Can you show your work for the infinite bus calculation. I can not get the 31374 amps.
Sure thing.SCA = short circuit amps (on secondary)FLA2 = Full Load Amps (on secondary)SCA = (FLA2 x 100) / %ZFLA2 = 1500 kVA / [sqrt(3) x 0.48 kV] = 1804 AmpsSCA = [1804 Amps x 100] / 5.75SCA = 31,374 Amps
Thank you
Can you show your work for the infinite bus calculation. I can not get the 31374 amps.
Sure thing.
SCA = short circuit amps (on secondary)
FLA2 = Full Load Amps (on secondary)
SCA = (FLA2 x 100) / %Z
FLA2 = 1500 kVA / [sqrt(3) x 0.48 kV] = 1804 Amps
SCA = [1804 Amps x 100] / 5.75
SCA = 31,374 Amps
Thank you