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For a transformer having the following equivalent circuit, determine the values of the currents II and...
Question 31 (17 points) 120/120 single-phase transformer. Calculate the values for the equivalent circuit for the single-phase transformer for the given short and open circuit test shown below. (2 po...
Question 31 (17 points) 120/120 single-phase transformer. Calculate the values for the equivalent circuit for the single-phase transformer for the given short and open circuit test shown below. (2 points) Draw the equivalent circuit. (1 point each) Find Ssc, QSC, Soc, Qoc, R1, R2, XI, X2, Rc, Xm, PFsc, PFoc, (esc θ。c) phase angel between V and I. What is the power rating of this transformer? Short circuit test (performed at High Voltage side) Vsc 16.20V rms, Isc 5.00 A...
(a) Describe the tests carried out on a single-phase transformer to determine its equivalent circuit parameters...
(a) Describe the tests carried out on a single-phase transformer to determine its equivalent circuit parameters and explain how each parameter is determined based on the test results. (b) A 2200/220 V, 15 kVA, single phase transformer has the following equivalent circuit parameters: The HV winding resistance and leakage reactance are 0.2Ω and 0.3Ω respectively. The LV winding resistance and leakage reactance are 0.012Ω and 0.03 Ω respectively. The magnetic circuit resistance and reactance referred to the HV side are...
single phase transformer with open circuit test and short circuit test
A 20 kVA, 12,000/380 V, single-phase transformer has the following test results:open circuit (low voltage side): V = 380, I = 2, P = 250short circuit (high voltage side): V = 200, I = 2.5, P = 250a)Determine the approximate equivalent circuit parameters of the transformer in per-unit values.b) the transformer is working at 80% full load with 0.85 power factor lagging. what is the secondary current at this working condition in both actual and per-unit values.
Find the primary side values of a transformer given its Short-circuit test values: Req (equivalent series...
Find the primary side values of a transformer given its Short-circuit test values: Req (equivalent series impedance) & Xeq (equivalent leakage reactance) 3. Short Circuit Test Value 9.645 V 0.502 A 4.842 leasurement SC SC Psc SC
three-phase transformer is rated at 12 kV/135 kV, 100 MVA. It has the following equivalent circuit...
three-phase transformer is rated at 12 kV/135 kV, 100 MVA. It has the following equivalent circuit parameters (referred to the primary winding where appropriate) : • primary resistance R1 = 0.03 ohms, secondary resistance R2’ = 0.04 ohms • primary leakage reactance X1 = 0.1 ohms, secondary leakage reactance X2’ = 0.1 ohms • magnetising reactance XM = 16 ohms, core-loss resistance RC = 200 ohms. In your calculations, you should use the simplified equivalent circuit. i) The transformer is...
A 1000-VA 230/115-V transformer has been tested to determine its equivalent circuit. The results of the...
A 1000-VA 230/115-V transformer has been tested to determine its equivalent circuit. The results of the tests are shown below Open-circuit test Voc= 230 V loc= 0.45 A Poc 30 W Short-circuit test Vsc= 19.1 V lsc=8.7 A Psc= 42.3 W All data given were taken from the primary side of the transformer. Determine all the transformer parameters shown in Fig. 3. jXM Ns V. Ideal transformer Fig. 3
For a 120/208 V, 60 VA single-phase transformer, the approximate equivalent circuit parameters, seen from the...
For a 120/208 V, 60 VA single-phase transformer, the approximate equivalent circuit parameters, seen from the low voltage side, are given as: Re,-0.06 pu. Xeqー0.04 pu, R,-20.45 pm, Xm-35.5 pu Draw the approximate equivalent circuit and show all model components Using the base values of 3-120 V and SB-60 VA, compute: (a) Base current and impedance (b) Real values of the equivalent circuit parameters (c) Per-unit and the real values of the magnetizing current. Compute the voltage regulation and efficiency...
Electrical machinery can you answer this as soon as possible Thank you 3. Consider the transformer...
Electrical machinery
can you answer this as soon as possible
Thank you
3. Consider the transformer of Fig. P3.1. (a) Convert the 4-A source and 5-Q into Thevenin's equivalent circuit. (b) () Find n for maximum power supplied to the 200-Ω load. (ii) Determine the currents /,, 12, and I (c) (i) Determine the power in the 200-Ω load if n-10. 3Ω : n Fig. P3.1 (ii) Determine the currents / 12, and I
For the below circuit, a) Determine the equivalent impedance of the following circuit at frequency of...
For the below circuit,
a) Determine the equivalent impedance of the following circuit
at frequency of 20Hz
b) Calculate the currents I, IR and IC if
a voltage of 24V at 20Hz is applied to the input.
c) Draw the phase diagrams of currents I, IR and
IC .
80Ω 100μF Figure 4
R Figure shows the equivalent circuit of a transformer rated at 1000 kVA, 13.8kV. It has a magnetizing current of 2A a)...
R Figure shows the equivalent circuit of a transformer rated at 1000 kVA, 13.8kV. It has a magnetizing current of 2A a) Find Lm if f 60 Hz b) Using value of Lm obtained in (a), find Zo if C 3 nF c) If I 3A due to harmonic distortion, find out the transient voltage V
R Figure shows the equivalent circuit of a transformer rated at 1000 kVA, 13.8kV. It has a magnetizing current of 2A a) Find Lm...
Question 31 (17 points) 120/120 single-phase transformer. Calculate the values for the equivalent circuit for the single-phase transformer for the given short and open circuit test shown below. (2 points) Draw the equivalent circuit. (1 point each) Find Ssc, QSC, Soc, Qoc, R1, R2, XI, X2, Rc, Xm, PFsc, PFoc, (esc θ。c) phase angel between V and I. What is the power rating of this transformer? Short circuit test (performed at High Voltage side) Vsc 16.20V rms, Isc 5.00 A...
Find the primary side values of a transformer given its Short-circuit test values: Req (equivalent series impedance) & Xeq (equivalent leakage reactance) 3. Short Circuit Test Value 9.645 V 0.502 A 4.842 leasurement SC SC Psc SC
A 1000-VA 230/115-V transformer has been tested to determine its equivalent circuit. The results of the tests are shown below Open-circuit test Voc= 230 V loc= 0.45 A Poc 30 W Short-circuit test Vsc= 19.1 V lsc=8.7 A Psc= 42.3 W All data given were taken from the primary side of the transformer. Determine all the transformer parameters shown in Fig. 3. jXM Ns V. Ideal transformer Fig. 3
For a 120/208 V, 60 VA single-phase transformer, the approximate equivalent circuit parameters, seen from the low voltage side, are given as: Re,-0.06 pu. Xeqー0.04 pu, R,-20.45 pm, Xm-35.5 pu Draw the approximate equivalent circuit and show all model components Using the base values of 3-120 V and SB-60 VA, compute: (a) Base current and impedance (b) Real values of the equivalent circuit parameters (c) Per-unit and the real values of the magnetizing current. Compute the voltage regulation and efficiency...
Electrical machinery
can you answer this as soon as possible
Thank you
3. Consider the transformer of Fig. P3.1. (a) Convert the 4-A source and 5-Q into Thevenin's equivalent circuit. (b) () Find n for maximum power supplied to the 200-Ω load. (ii) Determine the currents /,, 12, and I (c) (i) Determine the power in the 200-Ω load if n-10. 3Ω : n Fig. P3.1 (ii) Determine the currents / 12, and I
For the below circuit,
a) Determine the equivalent impedance of the following circuit
at frequency of 20Hz
b) Calculate the currents I, IR and IC if
a voltage of 24V at 20Hz is applied to the input.
c) Draw the phase diagrams of currents I, IR and
IC .
80Ω 100μF Figure 4
R Figure shows the equivalent circuit of a transformer rated at 1000 kVA, 13.8kV. It has a magnetizing current of 2A a) Find Lm if f 60 Hz b) Using value of Lm obtained in (a), find Zo if C 3 nF c) If I 3A due to harmonic distortion, find out the transient voltage V
R Figure shows the equivalent circuit of a transformer rated at 1000 kVA, 13.8kV. It has a magnetizing current of 2A a) Find Lm...
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