Question

A high-voltage transmission line with a resistance of 0.28 Ω/km carries a current of 1030 A....

A high-voltage transmission line with a resistance of 0.28 Ω/km carries a current of 1030 A. The line is at a potential of 670 kV at the power station and carries the current to a city located 155 km from the station.

(a) What is the power loss due to resistance in the line?
MW

(b) What fraction of the transmitted power does this loss represent?
%

Science   Physics   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

I provided the correct answer.please like it(thumbs up).

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
32-2 Power transmission Why do power transmission lines use high voltage? An electric power station sends...
32-2 Power transmission Why do power transmission lines use high voltage? An electric power station sends out a fixed 40 MW of power. The cross-country power line wires from the power station to the city has a total resistance of 7 Ω. Assume the circuit consists of the power station, the line wire (resistor), the city (resistor), and a storage battery. Find the power loss (in kW) in the wires using a line voltage of a) 500 kV b) 20...
A pair of power transmission lines each have 2.95-Ω resistance and carry 650 Amp. If the...
A pair of power transmission lines each have 2.95-Ω resistance and carry 650 Amp. If the primary voltage of the 10:1 step-up transformer is 2.2 kV, calculate the input voltage of the step-down transformer at the other end. An electric power station that operates at 30 kV and uses a 10:1 step-up ideal transformer is producing 320 MW (Mega-Watt) of power that is to be sent to a big city which is located 200 km away with only 2.0% loss....
A 260-km-long high-voltage transmission line 2.00 cm in diameter carries a steady current of 1,140 A....
A 260-km-long high-voltage transmission line 2.00 cm in diameter carries a steady current of 1,140 A. If the conductor is copper with a free charge density of 8.50 1028 electrons per cubic meter, how many years does it take one electron to travel the full length of the cable?
1- A 69-kV, three-phase short transmission line is 16 km long. The line has a per...
1- A 69-kV, three-phase short transmission line is 16 km long. The line has a per phase series impedance of 0.125 + j0.4375 ohm per km. Determine the sending end voltage, voltage regulation, the sending end power, and the transmission efficiency when the line delivers a. 70 MVA, 0.8 lagging power factor at 64 kV b. 120 MW, unity power factor at 64 kV 2-three-phase, completely transposed 345-kV, 200 km line has two 795,000- cmil 26/2 ACSR conductor per bundle...
A 280-km-long high-voltage transmission line 2.00 cm in diameter carries a steady current of 1,250 A....
A 280-km-long high-voltage transmission line 2.00 cm in diameter carries a steady current of 1,250 A. If the conductor is copper with a free charge density of 8.50  1028 electrons per cubic meter, how many years does it take one electron to travel the full length of the cable? (Use 3.156  107 for the number of seconds in a year.)
A 280-km-long high-voltage transmission line 2.00 cm in diameter carries a steady current of 1,100 A....
A 280-km-long high-voltage transmission line 2.00 cm in diameter carries a steady current of 1,100 A. If the conductor is copper with a free charge density of 8.50  1028 electrons per cubic meter, how many years does it take one electron to travel the full length of the cable? (Use 3.156  107 for the number of seconds in a year.) yr
An aluminum power transmission line has a resistance of 0.0620 Ω/km. What is its mass per...
An aluminum power transmission line has a resistance of 0.0620 Ω/km. What is its mass per kilometer? What is the mass per kilometer of a copper line having the same resistance?
why a higher transmission voltage is advantageous. Source voltage = 5V Line resistance = 1 Ohm...
why a higher transmission voltage is advantageous. Source voltage = 5V Line resistance = 1 Ohm Load resistance = 4 Ohm Calculate the following for each Current in the circuit Power dissipated by the line resistance Power dissipated in the load Total power delivered Ratio of power lost due to line resistance to power dissipated in the load
1- 30-kV, three-phase transmission line has a per phase series impedance of z = 0.05+j0.45 ohm...
1- 30-kV, three-phase transmission line has a per phase series impedance of z = 0.05+j0.45 ohm per Km and a per phase shunt admittance of y = j3.4x10-6 siemens per km. The line is 80 km long. Using the nominal π model, determine a The transmission line ABCD constants. b Find the sending end voltage and current, voltage regulation, the sending end power and the transmission efficiency when the line delivers 1. 200 MVA, 0.8 lagging power factor at 220...
A small manufacturing plant is located 2 km down a transmission line, which has a series...
A small manufacturing plant is located 2 km down a transmission line, which has a series reactance of 0.5 ?/km. The line resistance is negligible. The line voltage in the plant is 480?0 V and the plant consumes 120 kW at 0.85 power factor lagging. • Determine the voltage and power factor at the sending end of the transmission line. • Find the parallel capacitor bank in kVAr that enhance the power factor to unity. Assume the plant voltage is...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT