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1. A1.25 megavolt RMS high-tension line 100 miles long and one inch thick must deliver 200...
Part 1 Before we can consider the effects it might have, we must consider the high...
Part 1 Before we can consider the effects it might have, we must consider the high tension power line itself. Such wires are frequently constructed by twisting aluminum or copper wires together into a large flexible bundle. Consider such a copper cable with a diameter of 4 cm. If this cable is 10 km long, what is its resistance? Remember: Resistance = Resistivity * Length / Area Resistivity of copper is 0.0000000168 Ω-m Cross sectional Area of...
power system A single-circuit 60-Hz high voltage power transmission line is 370 km (230 mi) long....
power system
A single-circuit 60-Hz high voltage power transmission line is 370 km (230 mi) long. The conductors are Rook with flat horizontal configuration and 7.25 ms=(23.8 ft.) conductor spacing. The load on the line is 125 MW at 100% power factor. Use attached Tables A3 to A3to determine; The sending end voltage Vs The sending end current Is The sending end power Ps The percentage voltage regulation The transmission efficiency Given that Ds for the Rook conductor is 0.0327...
32. A transformer is to be designed to increase the 30 kV-rms output of a generator...
32. A transformer is to be designed to increase the 30 kV-rms output of a generator to the transmission-line voltage of 345 kV-om. If the primary winding has 80 turns, how many turns must the secondary have? b. 70 c. 920 d. 9200 e 12 33. The primary winding of an electric train transformer has 400 turns and the Secondary has 50. If the input voltage is 120V(rms) what is the output voltage? a. 15 V (rms) b. 30 Vrms)...
a) A copper strip 100 mm x 5 mm, 25 m long is buried at a...
a) A copper strip 100 mm x 5 mm, 25 m long is buried at a depth of 1.5 m, in soil having a resistivity of 100 ?m Calculate the resistance to ground. (4 marks) a) Determine the minimum size of ground conductor considering a substation grid made of Zn coated steel having the following parameters and in keeping with IEEE-80 standard 419, 20.1H (10 marks CTTL b) A power distribution system having the main incorning feeder rated for 400...
Question 2 14 pts You have 100 m of fine copper wire with a radius of...
Question 2 14 pts You have 100 m of fine copper wire with a radius of 0.5 mm. Having only a 12 V power supply that can be treated as ideal, a pencil, and a bag of long nails made from 99.8% pure iron (relative magnetic permeability of 200) you need to make a magnet that would produce a strong magnetic field. A. (2 points) What is the resistance of the 100 m of the given copper wire? Assume the...
PLEASE HELP ME AND SHOW STEPS. THANK YOU 1) It is desined to step up a...
PLEASE HELP ME AND SHOW STEPS. THANK YOU
1) It is desined to step up a vollage of 120 V to 96,000 v. The turns ratio N/N, of the transformer a) I/28 b) (64 x 10y )28 d) 8001 if the voltage is stepped that power is not lost in an ideal transformer, consider the situation in the above question. 2) Starting from the idea t up 800 times, the current is a) the same, since power is the same...
Hi! I’m wondering if anyone can help with these physics problems from my exam krackers book?...
Hi! I’m wondering if anyone can help with these physics
problems from my exam krackers book? I am studying for the mcat and
the explanations in the book and student doctor are not helping me.
Thanks so much!!
A. 2A B. 3 A C. 6A D. 12 A after the circuit has been on a long time? 12 V 2Ω 2Ω A. 1.2 x 10s C B. 2.5 x 106 C C. 6.0 x 10 C D. 1.7×10-7 C ERhal...
solve only circle mark 5 question . must be solve all . I will rate ....
solve only circle mark 5 question . must be solve all
. I will rate .
向 ti tuLihiot engines A and B are operated in succession. The first one, A roceives heat rejects to sink at T,K The second engine 石-300K. If the work outputs of two engines are equal, then the value of T, is (a) 100K from a source at T, -800K and e B receives lheat rejected by the first engine and rejects to another sink...
Question 1 A turning operation is carried out on aluminum. Based on the specific energy values...
Question 1 A turning operation is carried out on aluminum. Based on the specific energy values in Table 20.2, determine material removal rate and cutting power in the operation under the following sets of cutting conditions: (a) Cutting speed 5.6 m/s, feed 0.25 mm/rev, and depth of cut 2.0 mm; and (b) cutting speed- 1.3 m/s, feed 0.75 mm/rev, and depth 4.0 mm. Question 2 Consider a turning operation performed on steel whose hardness 225 HB at a cutting speed...
The following guidelines outline the basic template for a robot vacuum cleaner game. The game must be implemented in c programming language. It mimics a robotic vacuum cleaner. The code must only use...
The following guidelines outline the basic template for a robot vacuum cleaner game. The game must be implemented in c programming language. It mimics a robotic vacuum cleaner. The code must only use the following libraries: #include <math.h> #include <stdlib.h> #include <string.h> #include <limits.h> and any .graphics and .timers libraries. The guidelines are outlined as follows: Terminal Set-up: you may assume that the terminal will be quite large, for example, on the order of 150×50, or more. Status Display: The...
power system
A single-circuit 60-Hz high voltage power transmission line is 370 km (230 mi) long. The conductors are Rook with flat horizontal configuration and 7.25 ms=(23.8 ft.) conductor spacing. The load on the line is 125 MW at 100% power factor. Use attached Tables A3 to A3to determine; The sending end voltage Vs The sending end current Is The sending end power Ps The percentage voltage regulation The transmission efficiency Given that Ds for the Rook conductor is 0.0327...
32. A transformer is to be designed to increase the 30 kV-rms output of a generator to the transmission-line voltage of 345 kV-om. If the primary winding has 80 turns, how many turns must the secondary have? b. 70 c. 920 d. 9200 e 12 33. The primary winding of an electric train transformer has 400 turns and the Secondary has 50. If the input voltage is 120V(rms) what is the output voltage? a. 15 V (rms) b. 30 Vrms)...
a) A copper strip 100 mm x 5 mm, 25 m long is buried at a depth of 1.5 m, in soil having a resistivity of 100 ?m Calculate the resistance to ground. (4 marks) a) Determine the minimum size of ground conductor considering a substation grid made of Zn coated steel having the following parameters and in keeping with IEEE-80 standard 419, 20.1H (10 marks CTTL b) A power distribution system having the main incorning feeder rated for 400...
Question 2 14 pts You have 100 m of fine copper wire with a radius of 0.5 mm. Having only a 12 V power supply that can be treated as ideal, a pencil, and a bag of long nails made from 99.8% pure iron (relative magnetic permeability of 200) you need to make a magnet that would produce a strong magnetic field. A. (2 points) What is the resistance of the 100 m of the given copper wire? Assume the...
PLEASE HELP ME AND SHOW STEPS. THANK YOU
1) It is desined to step up a vollage of 120 V to 96,000 v. The turns ratio N/N, of the transformer a) I/28 b) (64 x 10y )28 d) 8001 if the voltage is stepped that power is not lost in an ideal transformer, consider the situation in the above question. 2) Starting from the idea t up 800 times, the current is a) the same, since power is the same...
Hi! I’m wondering if anyone can help with these physics
problems from my exam krackers book? I am studying for the mcat and
the explanations in the book and student doctor are not helping me.
Thanks so much!!
A. 2A B. 3 A C. 6A D. 12 A after the circuit has been on a long time? 12 V 2Ω 2Ω A. 1.2 x 10s C B. 2.5 x 106 C C. 6.0 x 10 C D. 1.7×10-7 C ERhal...
solve only circle mark 5 question . must be solve all
. I will rate .
向 ti tuLihiot engines A and B are operated in succession. The first one, A roceives heat rejects to sink at T,K The second engine 石-300K. If the work outputs of two engines are equal, then the value of T, is (a) 100K from a source at T, -800K and e B receives lheat rejected by the first engine and rejects to another sink...
Question 1 A turning operation is carried out on aluminum. Based on the specific energy values in Table 20.2, determine material removal rate and cutting power in the operation under the following sets of cutting conditions: (a) Cutting speed 5.6 m/s, feed 0.25 mm/rev, and depth of cut 2.0 mm; and (b) cutting speed- 1.3 m/s, feed 0.75 mm/rev, and depth 4.0 mm. Question 2 Consider a turning operation performed on steel whose hardness 225 HB at a cutting speed...
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