Calculate the magnitude and phase angle of terminal voltage

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Reference no: EM13253855

A 13.8-kV: 120-V, 60-Hz potential transformer has the following parameters as

seen from the high-voltage (primary) winding:

X1 = 6.88 k ohm

X'2= 7.59 k ohm

Xm = 6.13 mega ohms

R1=5.51 k ohm

R'2= 6.41 k ohm

a. Assuming that the secondary is open-circuited and that the primary is connected to a 13.8-kV source, calculate the magnitude and phase angle (with respect to the high-voltage source) of the voltage at the secondary terminals.

b. Calculate the magnitude and phase angle of the secondary voltage if a 750 ohm resistive load is connected to the secondary terminals.

Reference no: EM13253855

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