By slip test on a 3-phase synchronous generator the maximum and minimum impressed voltages per phase are found to be Vmax and Vmin respectively whereas the maximum and minimum phase currents are found to be Imax and lmin respectively. The values of the direct axis synchronous reactance Xd and quadrature axis synchronous reactance Xq are given as
A. Xd = Vmax/Imin ; Xq = Vmin/Imax
B. Xd = Vmax/Imin ; Xq = Vmin/Imin
C. Xd = Vmax/Imin ; Xq = Vmax/Imax
D. Xd = Vmin/Imax ; Xq = Vmax/Imin
Answer:A
By slip test on a 3-phase synchronous generator the maximum and minimum impressed voltages per phase are found to be Vmax and Vmin respectively whereas the maximum and minimum phase currents are found to be Imax and lmin respectively. The values of the direct axis synchronous reactance Xd and quadrature axis synchronous reactance Xq are given as
A. Xd = Vmax/Imin ; Xq = Vmin/Imax B. Xd = Vmax/Imin ; Xq = Vmin/Imin C. Xd = Vmax/Imin ; Xq = Vmax/Imax D. Xd = Vmin/Imax ; Xq = Vmax/Imin