Question

Problem 1) A 23 kVA, 2300/230 V, 60 Hz, step down transformer has the following resistance and leakage reactance values: $R_1 = 4 \Omega$, $R_2 = 0.04 \Omega$, $X_1 = 12 \Omega$, and $X_2 = 0.12 \Omega$. The transformer is operating at 0.75 of its rated load. If the power factor of load is 0.87 leading and no-load current is negligible, determine: 1- The current of secondary winding 2- The induced emf in the secondary winding 3- The induced emf and the current on the primary side considering transformation ratio 4- The source voltage 5- The power supplied to the load 6- The power input 7- The efficiency blem 2) on motor has the following per phase equival

          Problem 1)
A 23 kVA, 2300/230 V, 60 Hz, step down transformer has the following resistance and leakage
reactance values: $R_1 = 4 \Omega$, $R_2 = 0.04 \Omega$, $X_1 = 12 \Omega$, and $X_2 = 0.12 \Omega$. The transformer is
operating at 0.75 of its rated load. If the power factor of load is 0.87 leading and no-load current
is negligible, determine:
1- The current of secondary winding
2- The induced emf in the secondary winding
3- The induced emf and the current on the primary side considering transformation ratio
4- The source voltage
5- The power supplied to the load
6- The power input
7- The efficiency
blem 2)
on motor has the following per phase equival

Problem 1)
A 23 kVA, 2300/230 V, 60 Hz, step down transformer has the following resistance and leakage
reactance values: R1 = 4 Ω, R2 = 0.04 Ω, X1 = 12 Ω, and X2 = 0.12 Ω. The transformer is
operating at 0.75 of its rated load. If the power factor of load is 0.87 leading and no-load current
is negligible, determine:
1- The current of secondary winding
2- The induced emf in the secondary winding
3- The induced emf and the current on the primary side considering transformation ratio
4- The source voltage
5- The power supplied to the load
6- The power input
7- The efficiency
blem 2)
on motor has the following per phase equival

Added by Samantha H.

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