Choose the correct answer for the following: x The components of the propagation constant are named as and... For long transmission line system, their parameters are not lumped (true or false) The characteristic impedance is .... (complex quantity or scalar quantity) The function's name,used to find the voltage and current equations for long O.H.T.L. is.... The Wan is considered the important part for transferring electric power. G

Choose the correct answer for the following: x The components of the propagation constant are named as and... For long transmission line system, their parameters are not lumped (true or false) The characteristic impedance is .... (complex quantity or scalar quantity) The function's name,used to find the voltage and current equations for long O.H.T.L. is.... The Wan is considered the important part for transferring electric power. G

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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Describe the key components of a power transmission system and their functions.
Solve numerical : Following figure shows the one-line diagram of a two bus system. Take bus 1 as slack bus, bus 2 as load (PQ) bus. Neglect the shunt charging admittance. Obtain the bus admittance matrixYBUS and find V2 and δ2, power flows and line losses by using Fast decoupled power flow method. All the values are given in per unit on 100MVA base. Use a tolerance of 0.001 for power mismatch.
Choose the right answer. 1. The symmetrical component method is …………. 2. Conditions for succesful operation of a power system ………،……….. and ………… 3. The reason we use the numerical methods in load flow analysis is ……….
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A three-phase transmission line receiving end voltage is rated at 21 kV. A load of 1250 KW is connected at the receiving end of the transmission line 60 km long. The parameters of the transmission line are given by r = 0.09 0/km and x = 0.7 0/km. If the machine is working at 0.85 power factor lagging. Determine a) The series reactance of the transmission line b) Sending end line voltage c) Percentage Voltage regulation d) Percentage Efficiency
b) Ghana Grid Company (GRIDCo) designed a short transmission line using the A, B, C, D line constant of a transmission line parameters in its analysis. The engineering planning department came up with the design and said that when they computed the line performance using the equation AD – BC the answer was equal to 1.As an employee at the Ministry of Energy (MoEn) having oversight responsibility over GRIDCo, how would you accept the answer and recommend the Government of Ghana (GoG) to go ahead to implement the short transmission line?
A 470 kV, three phase transmission line with a 350 km length. The series impedance Z = (0.078+j0.34) 0/ph/km and shunt admittance y = (j2.8 x e(-6)) S/ph/km. Evaluate the equivalent Tt-model and T-model parameters.
1. Following are types of Transmission Lines EXCEPT A. Medium Line B. Long Line C. Capavitive Line D. Short Line 2. What is the theory used to express the voltage and current relations? A. Per-Phase B. Equavalent Transmission Line Model C. Two Ports Network 3. A 300km transmission line is considered as A. Long Line B. Medium Line C. Short Line 4. For a short transmission line, values for element A B C and D are A. A=1, B=0, C=Z, D=1 B. A=1, B=Z, C=0, D=1 C. A=0, B=Z, C=1, D=1