A lossy transmission line has a complex propagation constant of y 0.012+5.8 (/m). If the voltage...
A lossy transmission line has a-0.005 Np/m and ß-0.4 rad/m. A voltage wave of 200Vatz-0 propagates to the load at z-35m. A) What is the voltage magnitude at the load? B) For how long can the wave propagate before its amplitude is reduced to less than 10-3V? A lossy transmission line has a-0.005 Np/m and ß-0.4 rad/m. A voltage wave of 200Vatz-0 propagates to the load at z-35m. A) What is the voltage magnitude at the load? B) For how...
The mathematical expression for a voltage wave on a transmission line is given as: V(z,t) = 5e-azsin(41x10ºt – 2012) (V/m) where z is the distance from the generator and a is an unknown constant. At z = 2 meters the amplitude of the voltage oscillation is measured to be 1 Volt. a) (2 pts) Find the linear frequency of the wave b) (3 pts) Find the wavelength c) (3 pts) Find the phase speed d) (3 pts) Find the value...
Q1. A transmission line has Zo-Z,-150 Ω and ZL-50 Ω. The propagation velocity on the line is 200 m/us and the line is 800 m long. At time t-0, a single voltage pulse of 16 V and 1 us duration is transmitted by the generator. Using relevant equations and diagrams, discuss the voltage and current pulse behavior on the line. Q1. A transmission line has Zo-Z,-150 Ω and ZL-50 Ω. The propagation velocity on the line is 200 m/us and...
b) A lossy transmission line of length 2.1 m has a characteristic impedance of (80 + 160). When the line is short circuited, the input impedance is (30 - j12). (1) Determine the phase constant. (i) Find the input impedance when the short circuit is replaced by Z = (40 + 130) [3 marks]
A 400-MVA, 200-kV/20-kV, three phase Y-Y transformer has an equivalent series impedance of ZTL = 0.012 + 20.0162 per phase referred to the low-voltage side (secondary side). The transformer is supplying a three-phase load of 300-MVA, 0.8 power factor lagging at terminal voltage of 20 kV (line-to-line) on its low-voltage side (secondary side) as shown in Fig. 22. The primary is supplied from a transmission line with an impedance of ZL = 0.5 + j1.0 per phase. The line-to-neutral load...
A 6 m section of a lossless transmission line has a distributed capacitance C = 33.33 pF/m and a distributed inductance L = 0.75 μH/m. The transmission line is driven by a generator operating at 40 MHz, with a voltage Vg = 4.33 - 2.5j V and a source impedance Zg = 150 Ω. The line is terminated by a load ZL= 150 – j50 Ω. Calculate the current drawn from the source.
4. A 500 km, 500kV,60 Hz three-phase transmission line has a positive sequence series impedance z =j 0.38.2/km and a shunt admittance y =j 4.0 x 10-6S/km. Line losses are neglected. a. Calculate the line's characteristic impedance Zc, the propagation constant y and the exact ABCD parameters of the line... b. Calculate the surge impedance loading (SIL) in MW and the maximum power that the line can deliver at rated voltage C. At full load the line delivers 1000 M...
HUIS ASR YOUR TEACHER A transmission line that has a resistance per unit length of 1200000.00 10-40/m is to be used to transmit 5.00 MW over 400 miles (6.44 x 105 m). The output voltage of the generator is 4.50 kv (rms). (a) What is the line loss if a transformer is used to step up the voltage to 101 kV (rms)? kW (b) What fraction of the input power is lost to the line under these circumstances? (c) What...
A finitely long transmission line has f-100 MHz, R'-1 m Ω m, L,-1 μHm, C'-2 pF/m, and G'-o s. Calculate Zo and the propagation constant γ of the . line. Assume 30 w is flowing down the line at z-0. How much power is flowing at z = 3 m? (we will do this part on Next class) Remember: Rave (z) = Vol2 e-2 z cos(ez ) (W). what is Zo y, the phase velocity Up wavelength λ and period...
A5-MHz wave propagates in a lossy medium characterized with g = 32 S/m, ε = 36.4=1. a) Compute the loss tangent of the medium and determine whether this medium is a low-loss dielectric, a good conductor, or neither. b) Compute the wavelength of the wave in the medium. c) After traveling a distance equal to 3 penetration depths into the medium, the wave's E-field amplitude has decreased to 0.25 V/m. What is the initial E-field amplitude just after the wave...