Question

consider a 10KVA,2300 V/460 V , single phas transformer. The primary winding resistance and reactence of...

consider a 10KVA,2300 V/460 V , single phas transformer. The primary winding resistance and reactence of this transformer is 5 ohm and 15 ohm respectively. the secondary winding resistance and reactance of this transformer is 0.5 ohm and 0.25 respectively. when the primary supply voltage is 2300V, detrmine:

a) the equivalent resistance referred to primary (Re).

b) the equivalent leakage reactance referred primary(Xe).

c)the equivalent impedance referred to primary(Ze).

d)the percentage voltage regulation for 0.6 lagging power factor.

Engineering   Electrical-Engineering   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
A 20 kVA single phase transformer 4800/480V has primary resistance and reactance of 5Ω and 15Ω...
A 20 kVA single phase transformer 4800/480V has primary resistance and reactance of 5Ω and 15Ω respectively, while the resistance and reactance of secondary winding is 0.1Ω and 0.15 Ω respectively. Calculate: (i) The parameter referred to primary side of transformer and draw the equivalent circuit (ii) The approximate value of secondary voltage at full load power factor of 0.8 lagging if 4.8kV primary supply
. A 230/460-V transformer has a primary resistance of 0.2 Ohms and a resistance of 0.5...
. A 230/460-V transformer has a primary resistance of 0.2 Ohms and a resistance of 0.5 Ohms and the corresponding values for the secondary are 0.75Ohms and 1.8 Ohms respectively. Find secondary terminal voltage When supplying (a) 10A at 0.8 power factor lagging (b) 10A at p.f, 0.8 leading.
A 250/125 V, 5 kVA single phase transformer has primary resistance of 0.2 ohm and reactance...
A 250/125 V, 5 kVA single phase transformer has primary resistance of 0.2 ohm and reactance of o.75 ohm. The secondary resistance is 0.05 ohm and reactance of o.2 ohm. Determine its regulation while supplying full load on 0.8 leading pf
A n+350-KVA 2300+n - 230+n; volt, 60-hz transformer has percent core loss , resistance and percent...
A n+350-KVA 2300+n - 230+n; volt, 60-hz transformer has percent core loss , resistance and percent leakage reactance of m+0.56 ,m+ 33 and m+5.57 respectively. For 10 increments of power-factor angle, tabulate and plot percent regulation, and efficiency. Power factor for operation between 0.5 lagging and 0.5 leading. Use Matlab n=20 m=.2
current transformer with a bar primary has 250 turns in it secondary winding. the resistance and...
current transformer with a bar primary has 250 turns in it secondary winding. the resistance and reactance of the secondary circuit are 1.4 ohms and 1.1 ohms respectively including the transformer winding. when 5A current flows in the secondary winding, the magnetism mmf is 80 AT and iron lost is 1.1w. determine the following (i) ratio error (ii) phase angle error
A 2.2 KVA, 440---220 V, 60 Hz, step-down transformer has the following parameters: Rp= 3.0 Ω,...
A 2.2 KVA, 440---220 V, 60 Hz, step-down transformer has the following parameters: Rp= 3.0 Ω, Xp= 4.0 Ω, Rs= 2.5 Ω, Xs= 2.0 Ω, Rc= 60 KΩ, and Xm = 15 KΩ. The transformer is operating at full load with a power factor of 0.707 lagging. The magnetizing branch impedance can be ignored. a) Draw the transformer’s equivalent T-circuit, b) Find the equivalent winding impedance referred to the high side, c) Calculate the primary and secondary currents, d) Determine...
Problem 1: Consider a transformer with a turns ratio of 4000/120, with a primary coil resistance...
Problem 1: Consider a transformer with a turns ratio of 4000/120, with a primary coil resistance R1 = 1.6 (?), a secondary coil resistance of R2 = 1.44 (m?), leakage flux that corresponds to the inductance L1 = 21 (mH), and inductance L2 = 19 (?H), and a realistic core characterized by the core resistance Rc = 160 (k?) and the magnetizing inductance Lm = 450 (H). The low-voltage side of the transformer is at 60 (Hz), and V2 =...
Consider a 15/5 A CT with primary winding number of turns of 37 and secondary winding...
Consider a 15/5 A CT with primary winding number of turns of 37 and secondary winding number of turns of 119 . The secondary winding resistance is given as 0.154 ohms and the secondary winding reactance is known as 0.201 ohms. CT- Relay connecting lead resistance is 0.17 ohm. The magnitizing AT is 13.8 and the loss AT is 10.2 . The Burden is defined as 15 VA at 5A with pf of 0.6 lag. a) Find the ratio error...
Consider the transformer shown in Fig. 5-15a, neglecting the winding resistances, leakage inductances and the core...
Consider the transformer shown in Fig. 5-15a, neglecting the winding resistances, leakage inductances and the core loss. N1/N2=3. For a voltage of 114V (rms) at a frequency of 60 Hz applied to winding 1, the magnetizing current is 1.4A (rms). If a load of 1.4Ω at a power factor 0.849 lagging is connected to the secondary winding, calculate the magnitude of I1.
2(a). A transformer has a primary-to-secondary turns ratio of 100:1. The voltage on the primary side...
2(a). A transformer has a primary-to-secondary turns ratio of 100:1. The voltage on the primary side is 27.7 kv.a.c. at 60.0 Hz ( assume 60.0 Hz when treating electric power topics). A load is connected across the secondary winding. Assuming that the transformer is ideal, what voltage is developed to the load? Briefly show your work. Sketch a diagram. 2(b). The load of part a is a 2.00-ohm load. How much current does the load draw from the transformer’s secondary...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT