Question

A power transmission line is used to transmit 150 kW of power at a voltage of...

A power transmission line is used to transmit 150 kW of power at a voltage of 10 kV with a loss of 0.5 kW. If the voltage is increased to 250 kV, what is power loss to transmit the same amount of power?

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

Homework Answers

Answer #1

I tried to explain each step clearly but if you need further any clarifications you can ask me.if you will find this solution helpful let me know by giving thums 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...
DC and AC power distribution schemes are illustrated in the circuits below. Both are intended to...
DC and AC power distribution schemes are illustrated in the circuits below. Both are intended to supply customers with power at voltage V. zPowerGrid Consider an AC power grid with components like the circuit on the right. A transmission line that has a line resistor RT with a resistance per unit length of 4.80 ⨯ 10−4 Ω/m is to be used to transmit 5.00 MW over 400 miles (6.44 ✕ 105 m). The output voltage of the generator VS is...
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? %
. An Australian power transmission line is designed to deliver 100 MVA at 6.6 kV over...
. An Australian power transmission line is designed to deliver 100 MVA at 6.6 kV over a distance of 100 km. The total transmission line loss is not to exceed 2.5% of the rated line MVA. The magnitude of the leakage current due to the capacitive effect is 0.291 A. In this transmission system, you need to reduce this capacitive effect at least by 50%. In this situation, what type of compensation do you need? At the same time, you...
An Australian (50HZ) power transmission line is designed to deliver 100 MVA at 6.6 kV over...
An Australian (50HZ) power transmission line is designed to deliver 100 MVA at 6.6 kV over a distance of 100 km. The total transmission line loss is not to exceed 2.5% of the rated line MVA. The magnitude of the leakage current due to the capacitive effect is 0.291 A. In this transmission system, you need to reduce this capacitive effect at least by 50%. In this situation, what type of compensation do you need? At the same time, you...
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...
100 MW of electrical power is delivered at 200 kV to a distribution center over a...
100 MW of electrical power is delivered at 200 kV to a distribution center over a transmission line which consumes 10% of the total power developed by the generating station in heat losses. a) What is the value of the voltage fed to the transmission line at the generator end? b) How much power would be delivered to the same load if the resistance of the transmission line was halved but the generator voltage was unaltered?
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...
A generator supplies 5.0 103 kW of power. The output potential difference is 4500 V before...
A generator supplies 5.0 103 kW of power. The output potential difference is 4500 V before it is stepped up to 510 kV. The electricity travels 400 mi (6.44 105 m) through a transmission line that has a resistance per unit length of 4.1 10-4 /m. (a) What percentage of the power is lost through transmission of the electrical energy along the line? % (b) What percentage of the power would be lost through transmission if the generator's output potential...
Why is long distance power transmission sent on high voltage (high tension) wires?  Compare two identical transmission...
Why is long distance power transmission sent on high voltage (high tension) wires?  Compare two identical transmission lines delivering the same amount of power: the first at twice the voltage of the second.  Which of the two lines is most advantageous to a utility company?  Numerically, how much is the advantage?
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT