The following Short Circuit test results are obtained for a 10KVA, 600V : 240V transformer. V...
The following Short Circuit test results are obtained for a
10KVA, 600V : 240V transformer.
V = 20.7 V;
I = 41.7 A;
P = 37 W.
Find the total leakage inductance Xeq referred to the primary side.
Express your answer in Ohms and enter it with two digits after the
decimal point (as in 12.34)
Homework Answers
Request Answer!
We need at least 10 more requests to produce the answer.
0 / 10 have requested this problem solution
The more requests, the faster the answer.
Add Answer to:
The following Short Circuit test results are obtained for a
10KVA, 600V : 240V transformer.
V...
4.16 Consider a 50kVA, 2400/240V, 60Hz distribution transformer. Assume that the open-circuit and short-circuit tests were...
4.16 Consider a 50kVA, 2400/240V, 60Hz distribution transformer. Assume that the open-circuit and short-circuit tests were performed on the primary side of the transformer and that the following data were obtained: Voltmeter Ammeter Wattmeter Open-Circuit Test (on Primary) Voc = 2400 V 1oc=0.2083 A Poc=185 W Short-Circuit Test (on Primary) Vcc=52 V 15c=20.8333 A Psc=615W Determine the impedances of the approximate equivalent circuit referred to the primary side.
10-30 During a short-circuit test on a 10 MVA. 66 kV/7.2 kV transformer (see Fig. 10.28),...
10-30 During a short-circuit test on a 10 MVA. 66 kV/7.2 kV transformer (see Fig. 10.28), the following results were obtained: E, = 2640 V 72 A Calculate the following: a. The oal resistance and the total leakage re- actance referred to the 66 kV primary side b. The nominal impedance of the transformer referred to the primary side c. The percent impedance of the transformer
ASSIGNMENT Develop the internal impedance model for the provided transformer, using appropriate short circuit and open circuit test at rated current and voltage respectively. The auxiliary transf...
ASSIGNMENT Develop the internal impedance model for the provided transformer, using appropriate short circuit and open circuit test at rated current and voltage respectively. The auxiliary transformer is a General Electric JE-27 auxiliary potential transformer rated 240-120Vac and thermal rating of 150VA Please provide the model results as follows: - Ohms referred to the 240V side Ohms referred to the 120V side - Per Unit based on the auxiliary transformer rating of 240- 120V and 150VA.
ASSIGNMENT Develop the internal...
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
The short-circuit test readings for a 50-kVA 2400:240-V transformer are 48 V, 20.8 A, and 617...
The short-circuit test readings for a 50-kVA 2400:240-V transformer are 48 V, 20.8 A, and 617 W, with the instruments located on the high-voltage side and the low-voltage side short- circuited. An open-circuit test with the low-voltage side energized gives instrument readings on that side of 240 V, 5.41 A, and 186 W. 1. Calculate the equivalent parameters of the transformer as referred to the high-voltage side. 2. Draw the equivalent approximate circuit of that transformer referred to the high...
lI. A single-phase 100 KVA, 2000/200 V transformer has the following test results Open-circuit (OC) test (LV side): 200 V, 8,0 A, 600 W Short-Circuit (SC) test (HV side): 100 V,50 A, 2000 W a. De...
lI. A single-phase 100 KVA, 2000/200 V transformer has the following test results Open-circuit (OC) test (LV side): 200 V, 8,0 A, 600 W Short-Circuit (SC) test (HV side): 100 V,50 A, 2000 W a. Determine the approximate equivalent circuit referred to the HV side. b. Find the voltage regulation at full-rated current delivering rated voltage and PF of 0.8 lagging. c. Calculate efficiency of transformer d. Assume that, voltage at HV side is 2000 V. Calculate the voltage at...
Problem 1 A 60Hz transformer is rated 30 (kVA), 4000(V)/120(V). The open circuit test, with the...
Problem 1 A 60Hz transformer is rated 30 (kVA), 4000(V)/120(V). The open circuit test, with the high voltage side open, gives Po= 100 (W), loc = 1.1455 (A). The short circuit test, measured with the low voltage side shorted, gives Pse = 180 (W), Vse = 129.79 (V). a) Determine the equivalent circuit for the transformer (both open and short circuit) b) Calculate the circuit components. (Req, Xeq, Rc, Xm)
Question 2 A single-phase transformer has the following nameplate ratings: 100 kVA, 7200/240 V and 60...
Question 2 A single-phase transformer has the following nameplate ratings: 100 kVA, 7200/240 V and 60 Hz. The following results are obtained from open-circuit and short-circuit tests: Test Open-circuit Short-circuit Voltage 7200 V 250 V Current 0.65 A 13.89 A Real Power Input 425 W 1420 W a) Determine the parameters of this transformer, all referred to the primary side. b) The secondary of this transformer is connected to a load that draws 100% of the rated power at rated...
A single-phase transformer rated 1.2kV/120V, 7.2kVA yields the following results: Open circuit test (performed on secondary...
A single-phase transformer rated 1.2kV/120V, 7.2kVA yields the following results: Open circuit test (performed on secondary side): V2=120V I2=1.2A W2=40W Short circuit test (performed on primary side): V1=20V I1=6A W1=36W Determine: i. ii. iii. The equivalent circuit referred to primary side The equivalent circuit referred to secondary side Efficiency of transformer when it delivers 6kVA at 120V and 0.9pf
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
4.16 Consider a 50kVA, 2400/240V, 60Hz distribution transformer. Assume that the open-circuit and short-circuit tests were performed on the primary side of the transformer and that the following data were obtained: Voltmeter Ammeter Wattmeter Open-Circuit Test (on Primary) Voc = 2400 V 1oc=0.2083 A Poc=185 W Short-Circuit Test (on Primary) Vcc=52 V 15c=20.8333 A Psc=615W Determine the impedances of the approximate equivalent circuit referred to the primary side.
10-30 During a short-circuit test on a 10 MVA. 66 kV/7.2 kV transformer (see Fig. 10.28), the following results were obtained: E, = 2640 V 72 A Calculate the following: a. The oal resistance and the total leakage re- actance referred to the 66 kV primary side b. The nominal impedance of the transformer referred to the primary side c. The percent impedance of the transformer
ASSIGNMENT Develop the internal impedance model for the provided transformer, using appropriate short circuit and open circuit test at rated current and voltage respectively. The auxiliary transformer is a General Electric JE-27 auxiliary potential transformer rated 240-120Vac and thermal rating of 150VA Please provide the model results as follows: - Ohms referred to the 240V side Ohms referred to the 120V side - Per Unit based on the auxiliary transformer rating of 240- 120V and 150VA.
ASSIGNMENT Develop the internal...
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
The short-circuit test readings for a 50-kVA 2400:240-V transformer are 48 V, 20.8 A, and 617 W, with the instruments located on the high-voltage side and the low-voltage side short- circuited. An open-circuit test with the low-voltage side energized gives instrument readings on that side of 240 V, 5.41 A, and 186 W. 1. Calculate the equivalent parameters of the transformer as referred to the high-voltage side. 2. Draw the equivalent approximate circuit of that transformer referred to the high...
lI. A single-phase 100 KVA, 2000/200 V transformer has the following test results Open-circuit (OC) test (LV side): 200 V, 8,0 A, 600 W Short-Circuit (SC) test (HV side): 100 V,50 A, 2000 W a. Determine the approximate equivalent circuit referred to the HV side. b. Find the voltage regulation at full-rated current delivering rated voltage and PF of 0.8 lagging. c. Calculate efficiency of transformer d. Assume that, voltage at HV side is 2000 V. Calculate the voltage at...
Problem 1 A 60Hz transformer is rated 30 (kVA), 4000(V)/120(V). The open circuit test, with the high voltage side open, gives Po= 100 (W), loc = 1.1455 (A). The short circuit test, measured with the low voltage side shorted, gives Pse = 180 (W), Vse = 129.79 (V). a) Determine the equivalent circuit for the transformer (both open and short circuit) b) Calculate the circuit components. (Req, Xeq, Rc, Xm)
Question 2 A single-phase transformer has the following nameplate ratings: 100 kVA, 7200/240 V and 60 Hz. The following results are obtained from open-circuit and short-circuit tests: Test Open-circuit Short-circuit Voltage 7200 V 250 V Current 0.65 A 13.89 A Real Power Input 425 W 1420 W a) Determine the parameters of this transformer, all referred to the primary side. b) The secondary of this transformer is connected to a load that draws 100% of the rated power at rated...
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
Most questions answered within 3 hours.
-
Where is the error in this code sequence?
String s1 = "Hello";
String s2 = "ello";...
asked 10 months ago -
Financial data for Joel de Paris, Inc., for last year
follow:
Joel de Paris, Inc.
Balance...
asked 10 months ago -
Consider this reaction:
Al2(SO4)3 (aq)+ BaCl3
(aq) Al2Cl6 (aq)- +
3BaSO4(s) . What is the...
asked 10 months ago -
Suppose that Savneet is considering increasing her
recent random sample from 20 car rentals to 40...
asked 10 months ago -
Trucks arrive at an unloading terminal at an average rate of 120
per hour.
Trucks arrive...
asked 10 months ago -
Why are methanol and ethanol completely soluble in water while
octanol is not very little soluble....
asked 10 months ago -
A facilities manager at a university reads in a research report
that the mean amount of...
asked 10 months ago -
When the CuSO4 is rehydrated by adding water to the anhydrous
compound, is this an endothermic...
asked 10 months ago -
A ray of sunlight is passing from diamond into crown glass; the
angle of incidence is...
asked 10 months ago -
A block of mass 0.249 kg is placed on top of a light, vertical
spring of...
asked 10 months ago -
how do the kidneys compensate in the presences of acidosis
a) trigger hyperventilate
b) reserve acid...
asked 10 months ago -
Question 501 pts
The rental rate of capital to the firm increases. Which of the
following...
asked 10 months ago