Question

3. (20 points) Consider a single phase transformer with the equivalent circuit shown below. Units on the impedances are ohms.
0 0
Add a comment Improve this question Transcribed image text
Answer #1

OPen cinaest Toc 2 jo.012 230v Open N Side 22=Jo.050.03 22 Jafered to 22 k2 k tronsonmahbn ao 2 0.oS o. 03 Toc .5I0.0125j NwVot230 Votage Сиvant te Yoc es Зeg- (0.8 +j0.ov2 Зчоxs0 учо +S00 Preg3es te3.18 39.+5t6 230 Lo -. Cunent Toс 3.18 39.t5F6j TSho incuit tesr LSide infecance is 2(30.012-0.o08) SOO , .x103 +0.0119J I21.A 1: 2 Jo.of 0.03 Shont Esuivalnt Cincuit JufevrVsc 22e2 * Isc Vo Hage e =0.obz0.u98) 21. c=2.516 S4.b8 V 2. 56 V PeJsR2e Pooer Yse (21. o.o b2 s29.1 uoen Cw) Test Cuent A)

answered by: ANURANJAN SARSAM
Add a comment
Know the answer?
Add Answer to:
3. (20 points) Consider a single phase transformer with the equivalent circuit shown below. Units on...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions
  • 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...

  • Name: ID# Q.2 A single phase, 100kVA, 1000/100 V transformer is to be tested to determine...

    Name: ID# Q.2 A single phase, 100kVA, 1000/100 V transformer is to be tested to determine its excitation branch component and its series impedances. The following test data have been taken from the high-voltage side of the transformer: Open-circuit test (1000V, 0.6A, 400W); Short-circuit test (50V, 100A, 1800W). (25 marks) a) Find the equivalent circuit of the transformer referred to the high-voltage side? b) Find the equivalent circuit of the transformer referred to the low-voltage side? c) The core losses...

  • (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...

  • a) Discuss the main role of per-unit systems. (CO3:P01 - 3 marks) b) A single phase...

    a) Discuss the main role of per-unit systems. (CO3:P01 - 3 marks) b) A single phase two winding transformer rated at 20 kVA, 415/230 volts 50 Hz is subjected to open and short circuit test. Table Q3 (a) summarize the results of the test; Table Q3 (a) Open Circuit Test 12 = 12 A P2 = 200 W Short Circuit Test V1 = 35 V P1 = 300 W I. Based on the short circuit test, determine the equivalent series...

  • 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. 

  • A 5 MVA 230/13.8 kV, single-phase transformer has a per-unit resistance of 1% and a per-unit...

    A 5 MVA 230/13.8 kV, single-phase transformer has a per-unit resistance of 1% and a per-unit reactance of 5%. The open-circuit test performed on the low voltage side of the transfromer yielded the following data: VOC=13.8 kV, IOC=21.1 A, and POC=90.8 kW. (a) Find the equivalent circuit referred to the high voltage side of this transformer. (b) If the transformer is operating at full-load and at 0.8 pf lagging, find the voltage regulation of the transformer at this operating condition.

  • Equivalent circuit of 440V, 3-phase, 8 pole, 50 Hz star-connected induction motor

    The equivalent circuit of a 440 V, 3-phase, 8 pole, and 50 Hz star-connected induction motor is shown in figure 1. The short-circuit test is conducted with a locked rotor and a line current of 80 A. The open-circuit test is conducted by supplying the stator winding at rated voltage and at the rotor is rotating freely without any mechanical load.a)     Determine the line voltage and power factor on the short circuit test;b)   We need to apply a low...

  • The equivalent circuit of a 440 V, 3-phase, 8 pole, and 50 Hz star-connected induction motor (HELP)

    Question:  The equivalent circuit of a 440 V, 3-phase, 8 pole, and 50 Hz star-connected induction motor is shown in figure 1. The short-circuit test is conducted with a locked rotor and a line current of 80 A. The open-circuit test is conducted by supplying the stator winding at rated voltage and at the rotor is rotating freely without any mechanical load.           Fig. 1 The per-phase equivalent circuit of a 3-phase induction motora)  Determine the line voltage and power factor on the...

  • 3.10 A 240/120 V, 4.8 kVA, 60 Hz, single-phase transformer is used to supply a 4.8...

    3.10 A 240/120 V, 4.8 kVA, 60 Hz, single-phase transformer is used to supply a 4.8 kVA resistive load (i.e., the load has a power factor of 1.0) at rated voltage of 120 V a) If you assume the transformer is ideal, what would be the magni- tude of the expected primary side (240 V side) current? b) Again, if you assume the transformer is ideal, what is the apparent impedance of the load viewed from the high-voltage side of...

  • The equivalent circuit parameters of a 440 V, 3-phase, 8-poles, and 50 Hz star connected motor (HELP)

    Question: The equivalent circuit parameters of a 440 V, 3-phase, 8-poles, and 50 Hz star connected motor are given below. The short-circuit test is conducted with a locked rotor and a line current of 80 A. The open-circuit test is conducted by supplying the stator winding at rated voltage and at the same time driving the rotor in the same direction as the rotating field, at synchronous speed; s=0.R1 = 0.1, X1 = 0.5, RI2 = 0.1, XI2 = 0.5, Xm = 20, Rm = 100...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT