Question

• Q3//A transmission line 200 km long has the following constant: Resistance per km=0.150 Reactance per km=0.500 Susceptance

0 0
Add a comment Improve this question Transcribed image text
Answer #1

length of line = Ig=257.2802-40. S3 * 132 x103 x0.85 Given R/km = oisch xlkm 8.52 ylkm 2x1562 2ookm R = 0.15*200= 3o2 o 5X20oaca ar t } - 1324103 x2x104 2900 S3 15.242 Lao A I line- Irt Ica 257.286 L-40.364 + 15242290° 196.0378 -j 151.387 247-686 L-3(2) voltage regulations- us - Ja X100 y, 98389.76 - 98389-76752 - 76210.23553 X 100 98389-76752 22-542) (iv) efficiency outpu

Add a comment
Know the answer?
Add Answer to:
• Q3//A transmission line 200 km long has the following constant: Resistance per km=0.150 Reactance per...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions
  • • Q3//A transmission line 200 km long has the following constant: • Resistance per km=0.152 •...

    • Q3//A transmission line 200 km long has the following constant: • Resistance per km=0.152 • Reactance per km=0.500 • Susceptance per Km=2.0x10-6 mho • Voltage at the receiving end is 132 Ky. The transmission line is delivering 50MVA at 0.85 lagging at the receiving end. calculate (i) sending end voltage (ii)sending-end current (iii)voltage regulation (iv)efficiency.

  • Hi, I want to solve this question quickly because I am on the exam now ....

    Hi, I want to solve this question quickly because I am on the exam now . Q3//A transmission line 200 km long has the following constant: • Resistance per km=0.150 • Reactance per km=0.50N • Susceptance per Km=2.0x10-6 mho Voltage at the receiving end is 132 Ky. The transmission line is delivering 50MVA at 0.85 lagging at the receiving end, calculate (i) sending end voltage (ii)sending-end current (iii)voltage regulation (iv)efficiency. .

  • A 3-phase, 50 Hz, long 300 Km transmission line delivers 60 MVA at 124 kV and...

    A 3-phase, 50 Hz, long 300 Km transmission line delivers 60 MVA at 124 kV and 0-8 p.f. lagging. The total resistance 25.3 ohm and total reactance is 66.5 ohm and the admittance due to capacitance is 0.442*10-3 mho. Determine: (i) (ii) (iii) A,B, C and D constants of long T.L Sending end voltage, current and power factor Transmission efficiency, Voltage regulation

  • QUESTIONS 1- A 69-kV, three-phase transmission line is 20 km long. The line has a per...

    QUESTIONS 1- A 69-kV, three-phase transmission line is 20 km long. The line has a per phase series impedance of 0,120 + 10,4325 per km. Detemine the sending end voltage, voltage regulation, the sending end power, and the transmission efficiency when the line delivers (a) 60 MVA, 0.8 lagging power factor at 60 kV. (b) 110 MW, unity power factor at 60 kV

  • PROBLEM: A 230-kV, 50 Hz, three-phase transmission line is 120 km long. The line has a per phase ...

    PROBLEM: A 230-kV, 50 Hz, three-phase transmission line is 120 km long. The line has a per phase series impedance of z-0.05 +j0.45 Ω per km, and a per phase shunt admittance of y 3.4x10-6 Siemens per km. The line delivers (at the receiving end) 200 MVA, 0.8 lagging power factor at 220 kV. Now consider two cases: A- Assume that shunt parameters of the transmission line are ignored (i.e. even if this is a medium length transmission line, under...

  • A 3-ph, 50 Hz overhead transmission line 100 km long delivers 20 MW at 0.9 p.f...

    A 3-ph, 50 Hz overhead transmission line 100 km long delivers 20 MW at 0.9 p.f lagging and at 110 kV. The resistance and reactance per phase per km are (0.2) Ω and (j0.4) Ω respectively, while capacitive admittance per phase per km is (j2.5 * 10-6) siemen. Using nominal T circuit, Find: 1- Constants A, B, C, and D. 2- Sending end voltage.        3- Sending end current 4- Sending end power factor    5- Voltage regulation of this T.L.    6-...

  • #2. A 3-phase, 60-Hz transmission line is 140 miles long and has r :0.30 Ohms/mile, x...

    #2. A 3-phase, 60-Hz transmission line is 140 miles long and has r :0.30 Ohms/mile, x =1.5 Ohms/mile, and the shunt admittance is 7.8 x 100900 mho /mile. The load at the receiving end of the line is 36 MVA at 220 kV and a power factor of 0.90 lagging (i)Find the ABCD parameters of the line. (i)Find the sending end phasor voltage, Vs and phasor current, Is iv)What is the real power, P and the reactive power Q at...

  • A 220-kV, 150 MVA, 60-Hz, three-phase transmission line is 140 km long with the characteristic parameters...

    A 220-kV, 150 MVA, 60-Hz, three-phase transmission line is 140 km long with the characteristic parameters of r = 0.09 Ohm/km, x = 0.88 Ohm/km, y = 4.1 * 10^-6 s/km. Calculate the ABCD constants of this transmission line. What is the sending end voltage if the line is supplying rated voltage and apparent power at 0.85 PF lagging? What is the voltage regulation of the transmission line for the conditions in question 11. What is the efficiency of the...

  • A 60 km-long three-phase 60-Hz transmission line has per phase line inductance of 1.554 mH/km and...

    A 60 km-long three-phase 60-Hz transmission line has per phase line inductance of 1.554 mH/km and per phase line resistance of 10.33 mΩ/km. It supplies a three-phase Y connected 100 MW 0.9 lagging power factor load at 215 kV line-line voltage. Calculate the voltage regulation and efficiency of transmission.

  • A 220-kV, 150 MVA, 60-Hz, three-phase transmission line is 140 km long with the characteristic parameters...

    A 220-kV, 150 MVA, 60-Hz, three-phase transmission line is 140 km long with the characteristic parameters of r = 0.09 ohm/km, x = 0.88 ohm/km, y = 4.1 * 10^-6 S/km. 10. Calculate the ABCD constants of this transmission line. 11. What is the sending end voltage if the line is supplying rated voltage and apparent power at 0.85 PF lagging? 12. What is the voltage regulation of the transmission line for the conditions in question 11. 13. What is...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT