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Problem 2.25 A lossless transmission line is terminated in a short circuit. How long (in wavelengths)...
Problem 2.25 A lossless transmission line is terminated in a short circuit. How long (in wavelengths) should the line be in order for it to appear as an open circuit at its input terminals? Problem 2.27 A 75-Ω resistive load is preceded by a λ/4 section of a 50-Q lossless line, which itself is preceded by another λ/4 section ofa 100-Q line. What is the input impedance? Problem 2.31 A generator with 300 V and Znected to a load ZL...
Please help! A 75-12 lossless transmission line has l = 0.752. An inductive load, Zl, is...
Please help!
A 75-12 lossless transmission line has l = 0.752. An inductive load, Zl, is terminated where ZL = 75 + 75 12. (a) Find the standing wave ratio S on the line. (b) Find the load reflection coefficient, r(O), and the reflection coefficient seen at input, 7(1). (c) Find the input impedance of the line, Zin, for four different line lengths: 11 = 1/8, 12 = 9/4, 13 = 34/8, and 14 = 1/2, respectively. V(z), 7(z) ZO.B
1) A lossless transmission line that is 3N2 long with an impedance of 75Ω terminated by a load of...
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)...
- + it to page Page View All Read Question 3 (10 points) A 170 mm...
- + it to page Page View All Read Question 3 (10 points) A 170 mm section of a lossless transmission line has a distributed capacitance C = 200 pF/m and a distributed inductance L-245 H/m. The transmission line is driven by a generator operating at 1 GHz, with a voltage V, -4.33 - 2.5j V and a source impedance Z-15 2. The line is terminated by a load Zu- 100 2. Calculate the current drawn from the source.
answer number 3 and 4 Problem 7. Transmission Lines The figure below shows a transmission line with a characteristic impedance Z,-50 Ω, connected to a single frequency generator with an internal i...
answer number 3 and 4
Problem 7. Transmission Lines The figure below shows a transmission line with a characteristic impedance Z,-50 Ω, connected to a single frequency generator with an internal impedance R,-50 C (not shown), and terminated in a purely resistive load RL 50 2. At the frequency of the generator, the wavelength of the transmission line is λ = 2 m. At a distance dl-1.25 m away from the load, a shorted stub is connected via a tee....
f) the current wave inside the transmission line represented in the time domain Problem 1: A...
f) the current wave inside the transmission line represented
in the time domain
Problem 1: A certain transmission line operating at w = 10 rad/s has a = 6 dB/m, B = 2 rad/m, and Zo = 75 92, and is 2 m long. If the line is connected to a source of 10L 0° V, Zs -40 92 and terminated by a load of 30+ j40 92, determine: (a) the input impedance, Zin (b) the sending-end current, Ion (c)...
Problem 2 (50 Points) A generator bus (with a 1.0 per unit voltage) supplies a 180...
Problem 2 (50 Points) A generator bus (with a 1.0 per unit voltage) supplies a 180 MW, 60 MVar load through a lossless transmission line with per unit (100 MVA base) impedance of j0.1 and no line charging. Starting with an initial voltage guess of 1.020° (flat start), iterate until converged using the Newton-Raphson power flow method. For convergence criteria, use a maximum power flow mismatch of 0.1 MVA
Problem #2: (40 points) The three-phase power and line- given below line ratings of the electric ...
Problem #2: (40 points) The three-phase power and line- given below line ratings of the electric power system shown are G:60 MVA, 20 kV, X = 9% Tr 50 MVA. 20/200 kV.x 1096 T2: 50 MVA, 20020 kV, X 10% M: 43.2 MVA, 18 kV, X 8% Line: 200 kV, Z 120+j200 Ti Line 00-MVA 1. Draw an impedance diagram showing all impedances in per-unit on a1 2. The motor is drawing 40 MVA, 0.8 power factor lagging at a...
Fig Qshows the one-line diagram of a three-phase power system. As shown in Fig. Q3. the...
Fig Qshows the one-line diagram of a three-phase power system.
As shown in Fig. Q3. the two zones are connected by a 400 MVA,
240-kV/24-kV, Ý-A three phase transformer. The Y-A three phase
transfonmer has an equivalent series impedance of ZTH - 1.2 + j1.6n
per phase referred to the high voltage side (primary side). The
three-phase power system can be studied with per unit quantities
using base values of S-500 MVA and 240 kV in zone 1.
By using...
solve no: 3.14 , 3.16, 3.19 please show each step and solve for beginners 120 Power...
solve no: 3.14 , 3.16, 3.19
please show each step and solve for beginners
120 Power System Analysis 3.12. A single-phase system similar to that shown in Figure 3.11 has two transformers A-B a B-C connected by a line B feeding a load at the receiving end C. The ratings and parame ter values of the components are 500 V/1.5 kV, 9.6 kVA. leakage reactance 5 % 1.2 kV/120 V, 7.2 kVA, leakage reactance 4 % series impedance (0.5 +...
Problem 2.25 A lossless transmission line is terminated in a short circuit. How long (in wavelengths) should the line be in order for it to appear as an open circuit at its input terminals? Problem 2.27 A 75-Ω resistive load is preceded by a λ/4 section of a 50-Q lossless line, which itself is preceded by another λ/4 section ofa 100-Q line. What is the input impedance? Problem 2.31 A generator with 300 V and Znected to a load ZL...
Please help!
A 75-12 lossless transmission line has l = 0.752. An inductive load, Zl, is terminated where ZL = 75 + 75 12. (a) Find the standing wave ratio S on the line. (b) Find the load reflection coefficient, r(O), and the reflection coefficient seen at input, 7(1). (c) Find the input impedance of the line, Zin, for four different line lengths: 11 = 1/8, 12 = 9/4, 13 = 34/8, and 14 = 1/2, respectively. V(z), 7(z) ZO.B
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)...
- + it to page Page View All Read Question 3 (10 points) A 170 mm section of a lossless transmission line has a distributed capacitance C = 200 pF/m and a distributed inductance L-245 H/m. The transmission line is driven by a generator operating at 1 GHz, with a voltage V, -4.33 - 2.5j V and a source impedance Z-15 2. The line is terminated by a load Zu- 100 2. Calculate the current drawn from the source.
answer number 3 and 4
Problem 7. Transmission Lines The figure below shows a transmission line with a characteristic impedance Z,-50 Ω, connected to a single frequency generator with an internal impedance R,-50 C (not shown), and terminated in a purely resistive load RL 50 2. At the frequency of the generator, the wavelength of the transmission line is λ = 2 m. At a distance dl-1.25 m away from the load, a shorted stub is connected via a tee....
f) the current wave inside the transmission line represented
in the time domain
Problem 1: A certain transmission line operating at w = 10 rad/s has a = 6 dB/m, B = 2 rad/m, and Zo = 75 92, and is 2 m long. If the line is connected to a source of 10L 0° V, Zs -40 92 and terminated by a load of 30+ j40 92, determine: (a) the input impedance, Zin (b) the sending-end current, Ion (c)...
Problem 2 (50 Points) A generator bus (with a 1.0 per unit voltage) supplies a 180 MW, 60 MVar load through a lossless transmission line with per unit (100 MVA base) impedance of j0.1 and no line charging. Starting with an initial voltage guess of 1.020° (flat start), iterate until converged using the Newton-Raphson power flow method. For convergence criteria, use a maximum power flow mismatch of 0.1 MVA
Problem #2: (40 points) The three-phase power and line- given below line ratings of the electric power system shown are G:60 MVA, 20 kV, X = 9% Tr 50 MVA. 20/200 kV.x 1096 T2: 50 MVA, 20020 kV, X 10% M: 43.2 MVA, 18 kV, X 8% Line: 200 kV, Z 120+j200 Ti Line 00-MVA 1. Draw an impedance diagram showing all impedances in per-unit on a1 2. The motor is drawing 40 MVA, 0.8 power factor lagging at a...
Fig Qshows the one-line diagram of a three-phase power system.
As shown in Fig. Q3. the two zones are connected by a 400 MVA,
240-kV/24-kV, Ý-A three phase transformer. The Y-A three phase
transfonmer has an equivalent series impedance of ZTH - 1.2 + j1.6n
per phase referred to the high voltage side (primary side). The
three-phase power system can be studied with per unit quantities
using base values of S-500 MVA and 240 kV in zone 1.
By using...
solve no: 3.14 , 3.16, 3.19
please show each step and solve for beginners
120 Power System Analysis 3.12. A single-phase system similar to that shown in Figure 3.11 has two transformers A-B a B-C connected by a line B feeding a load at the receiving end C. The ratings and parame ter values of the components are 500 V/1.5 kV, 9.6 kVA. leakage reactance 5 % 1.2 kV/120 V, 7.2 kVA, leakage reactance 4 % series impedance (0.5 +...
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