A short 3- line with an impedance of (6 + j8) N per line has sending and receiving end line voltages of 120 and 110 kV respectively for some receiving-end load at a p.f. of 0.9. Find the active power and the reactive power at the receiving end.
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- Paragraph Styles The power factor must be close to in the transmission lines will be reduced To insure that losses D(Ctrl) -In the Transmission Line Simulator, the Transmission Line is composed of which parameter/s? O A. The Shunt Conductance Only O B. The Series Impedance and Shunt Capacitance O C. The Shunt Capacitance Only O D. The Series Impedance OnlyIdeally, a dc load line is a straight line drawn on collector characteristic curves between which of the following? Please select one: a. Q Point and shear b. Q Point and saturation c. V_CE (interrupt) and I_C (sat) d. I_b = 0 and I_B = I_C/ß_DC
- One circuit of a single-phase transmission line is composed of three solid 0.12" radius wires. The return circuit is composed of two 0.15" radius wires. Find the inductance of the complete line in mH/mi. The distance between wires are 40" horizontally and 25" vertically. A. 2.54 mH/mi B. 2.478 mH/mi C. 2.488 mH/mi D. 2.567 mH/mi Provide Clear Explainationb) A 6052 characteristic impedance transmission line is fed by a DC source of 100V with an internal resistance of 4002. The line is 200m long and has a dielectric constant of 2.25. The load impedance is 12002. Calculate: i. The load reflection coefficient. ii. The source reflection coefficient. iii. What is the voltage at the source terminals just before AND just after 2us?Develop a small-scale equivalent transmission line pi model (per phase) of the transmission lines with the specification given in table 1. The conductors are placed with a flat horizontal spacing of 7.25 meters. Consider that the load connected against the line 125MW at 0.85 lagging power factor. You are required to develop an equivalent model for a maximum 220V (RMS) sending and receiving end voltage and a maximum of 5A load current. Sr. NTDC Transmission Line Length Conductor No. Туре 220 kV DG Khan-Loralai Transmission Line (227 km) 227km Pheasant TABLE AJ Electrical characteristics of bare aluminum conductors steel-relnforced (ACSR)+ Reniertance Reactance per conductor 1-ft apacing. 60 Ha Ae, 60 Ha Capaitive Aluminum ares, emil Layers of Outaide aluminum diameter, in a/1,000 ft soC, D/ml GMR Induetive Stranding AL/8t De, 20°C. 20C, a/mi Code word D. t Ma-mi Waswing Partridge Ostrieh Merlin Linnet Oriole Chickndee Ibin Pelienn Flicker Hawk 266,800 206,800 300,000 336, 400 336.400…
- 1) A 60-Hz, ...-km, three-phase overhead transmission line has a series impedance z = 0.8431L79.04 ohm/km and a shunt admittance y = 5.105 × 106 L90 S/km. The load at the receiving end is 125 MW at unity power factor and at 215 KVLL. Determine the voltage, current, real and reactive power at the sending end and the percent voltage regulation of the line for nominal pi network. (Please determine the length of the transmission line within the specified limits: 150-220 km. By considering the length value you determined yourself, solve the question.)30) In a lightly loaded long distance EHV lines, line loading is and has a power factor: (A) Capacitive, lagging. (B) Capacitive, leading (C) Inductive, lagging (D) Inductive, leading. please contact me in whatsapp +962782974574If a 3-phase short circuit occurs in one of the two circuit of transmission line at point F, and the shunt impedance of the short circuit is j0.1 pu. Determine the maximum time when a short circuit can still be cleared. So=0.8+j0.3 Xd'= 0.2, XL1=XL2= 0.6, XT1=0.12, Xr2= 0.1, L1 V= 1.0 T1 L2 F T2 .XL= 0.1 Хс- 0.1. S1 S2 SL= 0.6+j0.3
- 6-A lossless T.L. has Zo = 100 N and is loaded by an unknown impedance Its VSWR is 4 and the first voltage maximum is A/8 from the load . Find the load impedance .7- DC Chopper with output voltage of 120V and input voltage of 80V and output power of 240W. Assume lossless chopper. The average inductance current IL is * 2.6 A 3.0A 4.3A 8- taking into account obtained duty cycle from previous task, the needed : capacitor for realizing 1% ripples at frequency of 10kHz is? * ?? 55.56 uF O 13. 34 uF 92.44 uF8. A transmission line has a characteristic impedance of 500 and a resistance of 0.1 02/m. If the line is distortion less, the attenuation constant (in Np/m) is (a) 500 (b) 5 (c) 0.014 (d) 0.002