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Spring 2018 ス11 em 2. (15 pts.) A 200 Milz generator circuit with series impedance Zg...
Question 4 (a) The input impedance of a lossless air-core transmission line with characteristic impedance Ro. phase constant B and length I terminated in an impedance Z, is given by R,+Z, tan( i. Determine the length of an open circuit 50Ω line required to create a 0.1 nH inductor at a frequency of 10 GHz. (6 marks) ii. Determine the input impedance of the line in part () if the open circuit is changed to a short circuit. (3 marks)...
2.(25 points. All answers must be written on the exam sheet below, not on the Smith Chart. But, you must show all your work on the Smith Chart.) A lossless 50 ohm transmission line is 0.4X long and is terminated in a load with -(40-j30) n. Use the Smith Chart to find the following 1-0.41 z, (40-130) (a) (S points) The standing wave-ratio on the line at AA (b) (5 points) The reflection coefficient at the load. Indicate phase in...
Q2. Draw the nominal π circuit that is used to represent the medium-length transmission line model with total series impedance Z and total shunt admittance Y. Then derive the equations to express the ABCD parameters (a) 20% (b)A 200 km, 230 kV, 50 Hz three-phase overhead transmission line has a positive-sequence series impedance z (0.08 + j0.48) Ω/km, and a positive-sequence shunt admittance y-j3.33 x 10T° S/km. At full load, the line delivers 250 MW at 0.99 power factor lagging...
A radio transmitter is connected to an antenna having impedance 8 + j40 Ω with a 50 coaxial cable. If the transmitter can deliver 30 W to the load, how much power is delivered to the antenna? a. (10 Marks) b. Alossless 50 ohms transmission line is connected to unknown load impedance. Voltage measurements along the line reveal that the maximum and minimum voltage values are (1)volts and (V2 - 1)volts respectively. The distance at which maximum voltage is observed...
1) A lossless transmission line that is 3N2 long with an impedance of 75Ω terminated by a load of 25 Ω The generator has a voltage of V,r-2sin(et) V and an internal impedance Ζ'50Ω (a) For this circuit give Vg, T, and the voltage standing wave ratio. (b) Give Vin. Inand Vo (c) Give and I (d) Give the voltage and current at the midpoint of the line (ie. P(z) and I(2) at z-3/4). (e) From the answer of (d)...
Problem 3-15. Steady-State Conditions on a Transmission Line ine Che Chap. 3 3-11. A certain telephone cable has the following electrical characteristics: R = 40 /mi L = 1.1 mH/mi G = negligible C = 0.062 F/mi Loading coils are added which provide an additional inductance of 30 m / well as an additional resistance of 8 l/mi. Obtain the attenuation constan phase velocities at frequencies of 300 Hz and 3300 Hz. If the coil spacing is 1/6 at a...
I need help to solve this questions about Generator Governor Droop and Transmission Line. A complete solutions with answers would be great. Thank you Generation Question 1 to 5 relate to the following grid connected generator. A governor-controlled, steam-driven 450 MW synchronous generator with 5% droop is synchronized to the 60 Hz grid and its load set-point adjusted to deliver 300 MW to the grid. Q1. (a) 000 What is the actual droop of the generating unit? 0.0225 Hz/MW (b)...