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student id is 89999999 Q1. A three phase interconnector has resistance per conductor of 4 22...
Exercise 12 A three phase interconnector has resistance per conductor of 4 Ω per phase and an inductive reactance of 10 Ω per phase. When the load is adjusted such that the terminal voltage at both ends is 33 kV the power loss in the interconnector is 600 kW. Calculate the sending and receiving end powers and power factors. s (12.14-j3.987) MVA, (11.54- j5.487) MVA, pf0.9501 leading, pfg 0.9031 leading, Exercise 12 A three phase interconnector has resistance per conductor...
please,I need the solution within 15 min Question 3 b: /Mark 17] (CLO 3 and 4). A 236 kV, three-phase medium transmission line is 211 km long. The line has a per phase series resistance R = 0.041 N, inductive reactance XL =j 0.3012, per kilo-meter for both, and shunt capacitive reactance X = 211.8 k2-km. Using the medium line model (nt- model) of transmission line to calculate: a- The transmission line A, B, C, and D constants. (Mark 3)...
A 3-phase, 60-Hz transmission line consisting of one ACSR Bluejay conductor per phase has a spacing of 9 m between conductors. The transmission line is 100 miles long and delivers 40 MW at 220 kV with a 0.9 pf lagging. Determine Voltage, current, and power factor at the sending end Voltage regulation and efficiency
Please help me with question 2 ASAP Question 1 [15 Marks A 500-kV, 60-Hz, 3-phase completely transposed overhead line has the resistance R=0.0201/km, Ds = 0.149m and r=0.16m. The horizontal phase spacings between the conductors are 10, 10, and 20 m. Calculate a) the line inductive reactance in /km, b) the line impedance in /km, c) the line capacitance-to-neutral Can in F/m, d) the admittance-to-neutral in S/km, neglecting the effect of the earth plane, and e) the exact ABCD parameters...
Problem 3: A three-phase, 60 Hz transmission line is built with an ACSR conductor. The conductor diameter is 0.68 inch, GMR = 0.023 ft., and AC resistance of 0.342 /mile at 50°C. The conductors are laterally spaced with D= 1.7 m between conductor centers. The line is 50 km long and supplies a 5 MW load. The line to line load voltage is 13.2 kV. [40 points] (a) Find the total impedance of the line. (b) Determine the sending-end voltage,...
4 A three-phase, 765-kV, 50-Hz transposed line is composed of four ACSR 1,510,500, 54/19 Parrot conductors per phase with flat horizontal spacing of 16 m. The conductors have a diameter of 3.8252 cm and a GMR of 1.5453 cm. The bundle spacing is 40 cm. The line is Km long, and for the purpose of this problem, a lossless line is assumed (a) Determine the transmission line surge impedance Zc, phase constant p, wave surge impedance loading SIL, and the...
3.8 A 275 kV three-phase transmission line of length 96 km is rated at 800 A. The values of resistance, inductance and capacitance per phase per kilometre are 0.078 12, 1.056 mH and 0.029 F, respectively. The receiving-end voltage is 275 kV when full load is transmitted at 0.9 power factor lagging. Calculate the sending-end voltage and current, and the transmission efficiency, and com- pare with the answer obtained by the short-line representation. Use the nomi- nal n and T...
• Q3//A transmission line 200 km long has the following constant: Resistance per km=0.150 Reactance per km=0.500 Susceptance per Km=2.0x10-6 mho • Voltage at the receiving end is 132 Kv. 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. 3
kV/phase, 60 Hz, lossless short transmission line has a short-circuit power of 500 MVA/phase. Consider 7. A a unity power factor load connected at the receiving end. Assume that the sending end voltage is equal to the nominal voltage. a. Determine the maximum active power this line can transmit (5 points) b. Determine the reactance of the line (5 points) c. Using basic equations of circuit analysis, show that the magnitude of the receiving end voltage (VR) is approximately 71%...
Example 22 A three-phase, 60-Hz, completely transposed 345-kV, 200-km line has two 795,000-cmil (403-mm2) 26/2 ACSR conductors per bundle and the following positive-sequence line constants: z 0.032 + 10.35 /km y j4.2 x 10-6 S/km Full load at the receiving end of the line is 700 MW at 0.99 p.f. leading and at 95% of rated voltage. Assuming a medium-length line, determine the following: a. ABCD parameters of the nominal π circuit b. Sending-end voltage Vs, current Is, and real...