Homework Answers
Add Answer to:
Q1. The secondary winding of a transformer has a terminal voltage of Vs(t) = 325.27 sin...
Problem 1: The secondary winding of a transformer has a terminal voltage of v, (t) 282.8...
Problem 1: The secondary winding of a transformer has a terminal voltage of v, (t) 282.8 sin 377t V. The turns ratio of the transformer is 100:200 (a0.50) The impedances of this transformer referred to the primary side are The equivalent circuit is shown below lf (a) If the secondary current of the transformer is i,()-7.07sin(3771-36.87) A, what is the primary current of this transformer? (20 points) HINTS: I. Peak values of the secondary voltage and current are specified in...
2. The secondary winding of a transformer has a terminal voltage of (t)=169.7 sin3141 V. The...
2. The secondary winding of a transformer has a terminal voltage of (t)=169.7 sin3141 V. The turn ratio of the transformer is 40:200. The impedances of this transformer referred to the primary side are: Rey-0.15 2. Re-50 Q2, X-0.25 S2, X-25 . If the secondary current of the transformer is i,(0=14.14 sin(3141-53.139) A, (a) What is the primary current of this transformer? (10%) (b) What are its voltage regulation and efficiency? (10%)
B. A single-phase transformer has the following parameters. N1/N2 10; Req 12, Xeq 102, X 22W,...
B. A single-phase transformer has the following parameters. N1/N2 10; Req 12, Xeq 102, X 22W, RO 10002, X 0 50002 The rated voltage of the primary winding is 1000V. A load of 0.5 230° is connected across the secondary windings of the transformer. Compute the following a. The load voltage referred to primary V2' and the load voltage V2 c. The currents of the primary and secondary windings d. The voltage regulation e. The efficiency of the transformer
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...
Q1 A single-phase 11/2.2 kV, 22 kVA transformer has the following parameters all referred to the HV side RI 0.4, X 0...
Q1 A single-phase 11/2.2 kV, 22 kVA transformer has the following parameters all referred to the HV side RI 0.4, X 0.602, R2 7.5 , X2 22 , Re 2500 , and Xm - 20002 The transformer is supplying 80% of its rated load at a power factor of 0.87 power factor lagging and at its rated voltage. Calculate (a) the efficiency of the transformer, (b) the power losses on the primary side (the copper loss and core loss), and...
Part A A transformer has 310 primary turns and 1390 secondary turns. The input voltage is...
Part A A transformer has 310 primary turns and 1390 secondary turns. The input voltage is 120 V and the output current is 150 A Assume 100% efficiency What is the output voltage? Express your answer to three significant figures and include the appropriate uni PHP R O ? Vs Value Units Submit Request Answer Part B What is the rout current Express your answer to three significant figures and include the appropriate units. HAR O m? Ip Value Units
Problem 1: The secondary winding of a transformer has a terminal voltage of v, (t) 282.8 sin 377t V. The turns ratio of the transformer is 100:200 (a0.50) The impedances of this transformer referred to the primary side are The equivalent circuit is shown below lf (a) If the secondary current of the transformer is i,()-7.07sin(3771-36.87) A, what is the primary current of this transformer? (20 points) HINTS: I. Peak values of the secondary voltage and current are specified in...
2. The secondary winding of a transformer has a terminal voltage of (t)=169.7 sin3141 V. The turn ratio of the transformer is 40:200. The impedances of this transformer referred to the primary side are: Rey-0.15 2. Re-50 Q2, X-0.25 S2, X-25 . If the secondary current of the transformer is i,(0=14.14 sin(3141-53.139) A, (a) What is the primary current of this transformer? (10%) (b) What are its voltage regulation and efficiency? (10%)
B. A single-phase transformer has the following parameters. N1/N2 10; Req 12, Xeq 102, X 22W, RO 10002, X 0 50002 The rated voltage of the primary winding is 1000V. A load of 0.5 230° is connected across the secondary windings of the transformer. Compute the following a. The load voltage referred to primary V2' and the load voltage V2 c. The currents of the primary and secondary windings d. The voltage regulation e. The efficiency of the transformer
Q1 A single-phase 11/2.2 kV, 22 kVA transformer has the following parameters all referred to the HV side RI 0.4, X 0.602, R2 7.5 , X2 22 , Re 2500 , and Xm - 20002 The transformer is supplying 80% of its rated load at a power factor of 0.87 power factor lagging and at its rated voltage. Calculate (a) the efficiency of the transformer, (b) the power losses on the primary side (the copper loss and core loss), and...
Part A A transformer has 310 primary turns and 1390 secondary turns. The input voltage is 120 V and the output current is 150 A Assume 100% efficiency What is the output voltage? Express your answer to three significant figures and include the appropriate uni PHP R O ? Vs Value Units Submit Request Answer Part B What is the rout current Express your answer to three significant figures and include the appropriate units. HAR O m? Ip Value Units
Most questions answered within 3 hours.
-
Please give an example of media planning versus social media
with a company. What makes social...
asked 1 minute from now -
An AC voltage source is connected across a capacitor, and 4.0 mA
of current flows. If...
asked 1 minute ago -
concentrated phosphoric acid solution is 85.5% H3PO4 by mass and
has a density of 1.69 g/mL...
asked 39 minutes ago -
60 pts) Convert the following numbers into 32-bit IEEE 745
floating format. You need to include...
asked 39 minutes ago -
A ship, carrying freshwater to a desert island in the Caribbean,
has a horizontal cross-sectional area...
asked 39 minutes ago -
What is the yield to call for a $1,000 par, 20-year, 8% coupon
bond with annual...
asked 42 minutes ago -
In a study following individuals taking prednisone to treat
various conditions over a 12-month period of...
asked 49 minutes ago -
8. Suppose that in a particular sample, the mean is 50 and the
standard deviation is...
asked 56 minutes ago -
customers are arriving to a shop according to Poisson process
with mean 6.6 customers/hour. What is...
asked 1 hour ago -
Which of the following is an example of supply risk?
1. A change in the dynamics...
asked 1 hour ago -
Do you believe that there has been moral progress in the past
thousand years of human...
asked 58 minutes ago -
Consider this reaction data:
T(k)
k(s^-1)
325
.399
775
.621
If you were going to graphically...
asked 1 hour ago