Question

When the voltage of a transmission line exceeds 345,000 V, what type of conductor is normally...

When the voltage of a transmission line exceeds 345,000 V, what type of conductor is normally used? A. ARCS cable B. Hard-drawn copper C. Solid dielectric cable D. Semiconducting cable

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

Homework Answers

Answer #1

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
3). Consider a transmission line of length l made of conductor with resistance per unit length...
3). Consider a transmission line of length l made of conductor with resistance per unit length R, inductance per unit length L, between the two lines is dielectric material with conductance per unit length Gand capacitance per unit length C. (a) Check that the general solution of the transmission line equations is correct by substituting it back to the equations. (b) Given that the load has impedance ZL, and the generator has impedance Zg and voltage Vg(t), solve the voltage...
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
The coaxial cable used in a transmission line has an impedance of 50 ohm and the...
The coaxial cable used in a transmission line has an impedance of 50 ohm and the input signal frequency used is 39 MHz. The inductance of the cable is 0.15 uH/m and the VF is 0.67. Determine a) the length required to be considered a transmission line b) the dielectric constant c) the actual length for a half of wavelength d) time delay for 0.21 km coaxial cable, and e) the phase induced by the transmission line.
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 wye connected three-phase source is delivering a line voltage of 480 V at a line...
A wye connected three-phase source is delivering a line voltage of 480 V at a line current of 25 amperes. Find a) the phase voltage b) the phase current c) the line voltage d) the line current e) the total power delivered.
A 250 km , three- phase , 50 Hz transmission line is delivering 25 MVA at...
A 250 km , three- phase , 50 Hz transmission line is delivering 25 MVA at 0.8 lagging power factor to a balanced load at 132 KV ( line-line) . The conductor resistance is 0.11 ohm/km . The line inductance per phase is 1.24 mH/km and the line to neutral capacitance is given as 9.4 x 10 – 9 F/km. a ) find the nominal – Л representation. b) find the sending end voltage , VS by nominal – Л...
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 power plant produces an rms voltage of Vp = 12.0 x 10^3 V and an...
A power plant produces an rms voltage of Vp = 12.0 x 10^3 V and an rms current of Ip = 180 A. The rms voltage is stepped up to 300 x 10^3 V by a transformer before it is transmitted to a substation. The resistance of the transmission line is between the power plant and the substation is R = 1000Ω. a) What is the turns ration Ns/Np for this transformer? b )What is the rms current in the...
The generalized circuit constants (ABCD) of a 345 kV transmission line are given as: A =...
The generalized circuit constants (ABCD) of a 345 kV transmission line are given as: A = D = 0.82 + j0.019 B = 40 +j150 ohm C = (-1.35 + j193.3) x 10-6 S Do this problem using the per unit system. Hint: The sending end power and voltage will make good base values. a) At the sending end, the transmission line is delivering 400 MVA at 0.8 pf at the rated voltage. Find the receiving end voltage and current...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT