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A 6 m section of a lossless transmission line has a distributed capacitance C = 33.33...
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.
A lossless transmission line with 50 Ω characteristic impedance has a 50 V step function placed...
A lossless transmission line with 50 Ω characteristic impedance has a 50 V step function placed on it, generated from a source impedance of 10 Ω. Assume the velocity of the signal on the line is 106 m/s, the line is 100 m long, and is terminated in a load impedance of 100 Ω. (a) What is the source voltage? (4 marks) (b) How long does the step function take to reach the termination load impedance? (2 marks) (c) What...
a) A parallel plate transmission line has a plate width 3 mm, plate separation 0.3 mm...
a) A parallel plate transmission line has a plate width 3 mm, plate separation 0.3 mm and is filled with a dielectric of relative permittivity 2.2. The dielectric breakdown field is 180kV/cm. Find the maximum peak power that can be transmitted down it and the corresponding peak values of the transmission line voltages and currents when the transmission line is matched to a terminating load. (5 marks) b) A 1 GHz signal of voltage amplitude 0.1 Vis propagated without reflection...
NOTE: IT IS VERY IMPORTANT TO STATE THE UNIT OF EVERY QUANTITY UNLESS IT IS UNITLESS...
NOTE: IT IS VERY IMPORTANT TO STATE THE UNIT OF EVERY QUANTITY UNLESS IT IS UNITLESS Problem 2 (30 pts) A transmission line has the following circuit values per unit length: a 0.5 S2/m resistance, a 10 S/m conductance, a 200 pF/m capacitance, and a 0.15 uH/m inductance. Knowing that the operating frequency is 450 Mrad/s calculate the following eight quantities: Y, Z, Y, C, B, 2, Vp, and Z. Problem 3 (25 pts) Analyzing wave reflection at discontinuities in...
Please help. Thanks Question 3 [15 marks] In an electric power system, it is given that...
Please help. Thanks
Question 3 [15 marks] In an electric power system, it is given that the effective impedance of the generator station is Rs = 2000, and the effective impedance of the substation is R1 = 300 2. The line is I = 250 km long, and the source rms voltage is Vs = 45 kV operating at frequency f = 60 Hz. You are tasked to design the transmission line connection from the main station to the substation...
3. A system of two transmission lines connected in series are driven by a voltage source fi(t) Vo...
3. A system of two transmission lines connected in series are driven by a voltage source fi(t) Vou(t) and terminated by a resistive load of 60S2 as shown in the figure below. A switch is closed at t 0 and the positive voltages are measured for 5 μs giving the bounce diagram shown in the figure-the voltage values indicated in the diagram correspond to delta function weights times the source voltage products such as VOTg, VOTg(1 +「2), etc. 400 m...
2. Lumped versus distributed circuits (15%) (a) A transmission line of length 1 connects a load...
2. Lumped versus distributed circuits (15%) (a) A transmission line of length 1 connects a load to a sinusoidal voltage source with an oscillation frequency of f. Assuming that the velocity of wave propagation in the line is c (that is, the speed of light in vacuum), for which of the following sit- uations can we model the transmission line as a wire (that is, use a lumped-element model) and where do we need a distributed model? (i) f =...
Spring 2018 ス11 em 2. (15 pts.) A 200 Milz generator circuit with series impedance Zg...
Spring 2018 ス11 em 2. (15 pts.) A 200 Milz generator circuit with series impedance Zg 50 2 and voltage source given by Vs) 20 Sinfot 60) v is connected to a load Za-00-50/a through a 50- 3.7m long lossless transmission line (Figure 2). The phase velocity of the line is 2*10° m/s. Find: : Distance from the load, in meters, of the voltage minimum nearest to thel l. Number of locations on the transmission line at which the voltage...
Problem 3-15. Steady-State Conditions on a Transmission Line ine Che Chap. 3 3-11. A certain telephone...
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...
Past exam question, 2010 The following questions concern the voltage V(z, t) along a 3-m long...
Past exam question, 2010 The following questions concern the voltage V(z, t) along a 3-m long lossless line characterised by Zo = 50 and u, 0.66c. The line is fed by Ug = 80 V, and Ra a step voltage at t 0 with generator voltage = 752. The line is terminated with ZL = 252 (a) Compute the voltage reflection coefficients at both the load and generator ends, and show that the travel time along the line is 10ns....
a) A parallel plate transmission line has a plate width 3 mm, plate separation 0.3 mm and is filled with a dielectric of relative permittivity 2.2. The dielectric breakdown field is 180kV/cm. Find the maximum peak power that can be transmitted down it and the corresponding peak values of the transmission line voltages and currents when the transmission line is matched to a terminating load. (5 marks) b) A 1 GHz signal of voltage amplitude 0.1 Vis propagated without reflection...
NOTE: IT IS VERY IMPORTANT TO STATE THE UNIT OF EVERY QUANTITY UNLESS IT IS UNITLESS Problem 2 (30 pts) A transmission line has the following circuit values per unit length: a 0.5 S2/m resistance, a 10 S/m conductance, a 200 pF/m capacitance, and a 0.15 uH/m inductance. Knowing that the operating frequency is 450 Mrad/s calculate the following eight quantities: Y, Z, Y, C, B, 2, Vp, and Z. Problem 3 (25 pts) Analyzing wave reflection at discontinuities in...
Please help. Thanks
Question 3 [15 marks] In an electric power system, it is given that the effective impedance of the generator station is Rs = 2000, and the effective impedance of the substation is R1 = 300 2. The line is I = 250 km long, and the source rms voltage is Vs = 45 kV operating at frequency f = 60 Hz. You are tasked to design the transmission line connection from the main station to the substation...
3. A system of two transmission lines connected in series are driven by a voltage source fi(t) Vou(t) and terminated by a resistive load of 60S2 as shown in the figure below. A switch is closed at t 0 and the positive voltages are measured for 5 μs giving the bounce diagram shown in the figure-the voltage values indicated in the diagram correspond to delta function weights times the source voltage products such as VOTg, VOTg(1 +「2), etc. 400 m...
2. Lumped versus distributed circuits (15%) (a) A transmission line of length 1 connects a load to a sinusoidal voltage source with an oscillation frequency of f. Assuming that the velocity of wave propagation in the line is c (that is, the speed of light in vacuum), for which of the following sit- uations can we model the transmission line as a wire (that is, use a lumped-element model) and where do we need a distributed model? (i) f =...
Spring 2018 ス11 em 2. (15 pts.) A 200 Milz generator circuit with series impedance Zg 50 2 and voltage source given by Vs) 20 Sinfot 60) v is connected to a load Za-00-50/a through a 50- 3.7m long lossless transmission line (Figure 2). The phase velocity of the line is 2*10° m/s. Find: : Distance from the load, in meters, of the voltage minimum nearest to thel l. Number of locations on the transmission line at which the voltage...
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...
Past exam question, 2010 The following questions concern the voltage V(z, t) along a 3-m long lossless line characterised by Zo = 50 and u, 0.66c. The line is fed by Ug = 80 V, and Ra a step voltage at t 0 with generator voltage = 752. The line is terminated with ZL = 252 (a) Compute the voltage reflection coefficients at both the load and generator ends, and show that the travel time along the line is 10ns....
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