Homework Answers
please take y = 4 5. For the circuit given in Figure 5, a) Calculate the...
please take y = 4
5. For the circuit given in Figure 5, a) Calculate the equivalent load impedance seen by the voltage source (reflected from secondary to primary). b) Calculate the primary current and voltage of the transformer. c) Calculate the secondary current and voltage of the transformer. Here, Rư= The largest value of the last 3 digits of your school number. Lı = The smallest value of the last 3 digits of your school number. If the smallest...
Problem # 2-A single phase, 60 Hz, 10 KVA, 440/ 110 V has the following R1 0.15 R 0.0086X 0.5 X 0.0286 Re and Xnare 1500 and 1000 referred to the high voltage side Using the approximate equivalen...
Problem # 2-A single phase, 60 Hz, 10 KVA, 440/ 110 V has the following R1 0.15 R 0.0086X 0.5 X 0.0286 Re and Xnare 1500 and 1000 referred to the high voltage side Using the approximate equivalent circuit, Calculate the transformer no load power a- current, power factor and power when terminal voltage is 470 V. What would these values be if the transformer were ideal? b Calculate the transformeroutput power and eficiency when load of 1.6+j1.2 ohms is...
Problem # 2-A single phase, 60 Hz, 10 KVA, 440110 V has the following parameters: R1=0.15 R2=0.0086 X1=0.5 X2-0.0286 Re and Xmare 1500 and 1000 referred to the high voltage side. Using the approximat...
Problem # 2-A single phase, 60 Hz, 10 KVA, 440110 V has the following parameters: R1=0.15 R2=0.0086 X1=0.5 X2-0.0286 Re and Xmare 1500 and 1000 referred to the high voltage side. Using the approximate equivalent circuit, Calculate the transformer no load current, power factor and power when terminal voltage is 470 a- V. What would these values be if the transformer were ideal? Calculate the transformer output power and efficiency when load of 1.6+j1.2 ohms is connected b- to its...
4. The figure below shows the equivalent circuit of a 2400/240-V, 60-Hz transformer. The high-side leakage...
4. The figure below shows the equivalent circuit of a 2400/240-V, 60-Hz transformer. The high-side leakage impedance is (1.2+j 2.0) 2. the low-side leakage impedance is (0.012 ti 0.02) S2, and Xm at the high-side is 1800 2. Neglect the Hysteresis and Eddy current loss resistance Rhe Calculate the input voltage if the output voltage is 240 V (rms). Given the load resistance is 1.5 12 and the power factor is 0.8 (lagging). ཉིས་པ་དེ། དེ་ | ༼ ། ༼། །
PLEASE SO PART C, THANK YOU WILL RATE. A single-phase transformer with a 5:1 turns ratio...
PLEASE SO PART C, THANK YOU WILL RATE.
A single-phase transformer with a 5:1 turns ratio is connected to a 600 V voltage source on the primary side, and a 5 Ω resistor on the secondary. A current of 22 amps of current is measured to flow through the 5 Ω resistor on the secondary side. The real power flowing into the transformer primary is measured at 2500 W. You can neglect Lm and Rc (the magnetizing inductance and core...
A 5 KVA, 480/120V, 60 Hz, non-ideal transformer has the following primary and secondary resistance and...
A 5 KVA, 480/120V, 60 Hz, non-ideal transformer has the following primary and secondary resistance and reactance values R 80,X1-12Q, R 0.15Q, X 0.20, R 18 KQ, and X 15 KO If the transformer is operating at 90% of its rated load current and the voltage is leading the current by 40 degree: a) Draw the approximate equivalent circuit of the transformer referred to secondary side, b) Calculate the efficiency of the transformer, and c) The voltage regulation
Problem (1): A 15-KVA, 2400:240-V, 60 Hz transformer has the following equivalent circuit parameters: R =...
Problem (1): A 15-KVA, 2400:240-V, 60 Hz transformer has the following equivalent circuit parameters: R = 2.522 R2 = 0.02522 Xi = 722 X = 0.0712 Re = 32 kl Xm = 11.5 k12 If the transformer is supplying a 10-kW, 0.8 PF lagging load at rated voltage, assuming the output voltage is the reference, draw the transformer's exact equivalent circuit referred to the primary (H.V) side and use it to calculate: 1. The input current 2. The input voltage...
I only need problem 5 please help I think I know how to do it but...
I only need problem 5 please help I think I know how
to do it but just want to be sure.
ideal transformer in Fig. 9 has 500 turns on the ary. The source produces a voltage Eg of 600 V, and the load Z is a resistance of 12 . Calculate the following: a. The voltage E2 b. The current /2 c. The current I d. The power delivered to the primary [W e. The power output from the...
QUESTION 1 [25 MARKS] The data in the Table 1 were obtained when open and short...
QUESTION 1 [25 MARKS] The data in the Table 1 were obtained when open and short circuit test were performed on a single phase 50 kVA, 2400/240 V, 60 Hz transformer. Table 1 Voltage Current Power (V) (A) (Watt) 240 4.85 173 52 20.83 650 Test A Test B (a) Determine tests A, B and the sides the tests were done. Calculate the non-ideal transformer parameters referred to the low voltage side. Draw the equivalent circuit by labeling the parameters...
A large transformer operating at no-load draws an exciting current of 5 A when the primary is connected to a 240 V, 50 Hz source (HELP)
Question 1: A large transformer operating at no-load draws an exciting current of 5 Awhen the primary is connected to a 240 V, 50 Hz source. From wattmeter testit is known that the iron losses are equal to 300 W. At short circuit the voltage applied is 24 Volts , the short-circuit current is 35 Amperes, the power meter reads 400 W. Calculate:i) The reactive power absorbed by the core;ii) The value of Rc and Xm of the magnetising branch; iii)...
please take y = 4
5. For the circuit given in Figure 5, a) Calculate the equivalent load impedance seen by the voltage source (reflected from secondary to primary). b) Calculate the primary current and voltage of the transformer. c) Calculate the secondary current and voltage of the transformer. Here, Rư= The largest value of the last 3 digits of your school number. Lı = The smallest value of the last 3 digits of your school number. If the smallest...
Problem # 2-A single phase, 60 Hz, 10 KVA, 440/ 110 V has the following R1 0.15 R 0.0086X 0.5 X 0.0286 Re and Xnare 1500 and 1000 referred to the high voltage side Using the approximate equivalent circuit, Calculate the transformer no load power a- current, power factor and power when terminal voltage is 470 V. What would these values be if the transformer were ideal? b Calculate the transformeroutput power and eficiency when load of 1.6+j1.2 ohms is...
Problem # 2-A single phase, 60 Hz, 10 KVA, 440110 V has the following parameters: R1=0.15 R2=0.0086 X1=0.5 X2-0.0286 Re and Xmare 1500 and 1000 referred to the high voltage side. Using the approximate equivalent circuit, Calculate the transformer no load current, power factor and power when terminal voltage is 470 a- V. What would these values be if the transformer were ideal? Calculate the transformer output power and efficiency when load of 1.6+j1.2 ohms is connected b- to its...
4. The figure below shows the equivalent circuit of a 2400/240-V, 60-Hz transformer. The high-side leakage impedance is (1.2+j 2.0) 2. the low-side leakage impedance is (0.012 ti 0.02) S2, and Xm at the high-side is 1800 2. Neglect the Hysteresis and Eddy current loss resistance Rhe Calculate the input voltage if the output voltage is 240 V (rms). Given the load resistance is 1.5 12 and the power factor is 0.8 (lagging). ཉིས་པ་དེ། དེ་ | ༼ ། ༼། །
PLEASE SO PART C, THANK YOU WILL RATE.
A single-phase transformer with a 5:1 turns ratio is connected to a 600 V voltage source on the primary side, and a 5 Ω resistor on the secondary. A current of 22 amps of current is measured to flow through the 5 Ω resistor on the secondary side. The real power flowing into the transformer primary is measured at 2500 W. You can neglect Lm and Rc (the magnetizing inductance and core...
A 5 KVA, 480/120V, 60 Hz, non-ideal transformer has the following primary and secondary resistance and reactance values R 80,X1-12Q, R 0.15Q, X 0.20, R 18 KQ, and X 15 KO If the transformer is operating at 90% of its rated load current and the voltage is leading the current by 40 degree: a) Draw the approximate equivalent circuit of the transformer referred to secondary side, b) Calculate the efficiency of the transformer, and c) The voltage regulation
Problem (1): A 15-KVA, 2400:240-V, 60 Hz transformer has the following equivalent circuit parameters: R = 2.522 R2 = 0.02522 Xi = 722 X = 0.0712 Re = 32 kl Xm = 11.5 k12 If the transformer is supplying a 10-kW, 0.8 PF lagging load at rated voltage, assuming the output voltage is the reference, draw the transformer's exact equivalent circuit referred to the primary (H.V) side and use it to calculate: 1. The input current 2. The input voltage...
I only need problem 5 please help I think I know how
to do it but just want to be sure.
ideal transformer in Fig. 9 has 500 turns on the ary. The source produces a voltage Eg of 600 V, and the load Z is a resistance of 12 . Calculate the following: a. The voltage E2 b. The current /2 c. The current I d. The power delivered to the primary [W e. The power output from the...
QUESTION 1 [25 MARKS] The data in the Table 1 were obtained when open and short circuit test were performed on a single phase 50 kVA, 2400/240 V, 60 Hz transformer. Table 1 Voltage Current Power (V) (A) (Watt) 240 4.85 173 52 20.83 650 Test A Test B (a) Determine tests A, B and the sides the tests were done. Calculate the non-ideal transformer parameters referred to the low voltage side. Draw the equivalent circuit by labeling the parameters...
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