If the load impedance is 100 and input impedance is 25 then the characteristics impedance of transmission line is?
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- Which of the following combinations comprise the Transmission Line Impedance? O A. Conductance and Capacitive Reactance in Parallel O B. Conductance and Inductive Reactance in Parallel O C. Resistance and Inductive Reactance in Series O D. Resistance and Capacitive Reactance in SeriesThe affect of the earth plane is to slightly increase the capacitance, and as the line height increases, the effect of earth becomes negligible. True FalseConductor spacings, types, and sizes do have an impact on the series impedance and shunt admittance. True False
- The 13.2 kV 50-Hz generator feeds a load over a line with (Zload) impedance Zline. Load is 800n + j500n and impedance of the line is 20 + j300 a) If the generator is directly connected to the load as given in (a), what will be the line losses? b) If the generator is connected to the load using step-up and step-down transformers as given in (b), what will be the line losses? c) How much is the increase in efficiency compared to (a) from (b)? Zline 2. (a) 1:10 10:1 Zline Tr Tr2 (b) Zload ZloadThe VSWR on an 50-Ohm transmission line is 5. The distance between successive voltageminima is 80 cm while the distance from the load to the first minimum is 30 cm. What are thereflection coefficient and load impedanceCompare the substitution process of Gauss-Jacobi and Gauss-Seidel method. Explain further. 5-6 parag
- 4/ Which parameter is neglected or ignored in Short Transmission Lines? A. SHUNT CAPACITANCE ONLY B. SERIES CONDUCTANCE AND SHUNT CAPACITANCE C. SHUNT CONDUCTANCE AND SHUNT CAPACITANCE D. SHUNT CONDUCTANCE ONLYIf 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+j0.3A three-phase 50 Hz double circuit as shown below, assumed that the line is completely trasposed. The diameter of each conductor is 2.76 cm. Find the capacitance to neutral in juF /km a b a b' --- 6m 6m 6m 6m 6m
- 19- Noise due to inductive coupling can be reduced by twisting the wires carrying a signal. True FalseFor b) what is Vry, Vbr, Vyb? Why is Vyb phase -90 degrees and Vby phase 90 degrees?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 Explaination