a) Discus why the transmission systems are mostly overhead systems. b) Discuss why all overhead lines use ACSR conductors. c) Discuss why at 400 kV and above the transmission lines have bundled conductors.

a) Discus why the transmission systems are mostly overhead systems. b) Discuss why all overhead lines use ACSR conductors. c) Discuss why at 400 kV and above the transmission lines have bundled conductors.

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter4: Transmission Line Parameters

Section: Chapter Questions

Problem 4.10MCQ: Transmission line conductance is usually neglected in power system studies. True False

See similar textbooks

Related questions

Q: What is the difference between balanced and unbalanced line transmission lines, show the difference…

Q: 1. What are the factors which governs the performance of transmission line? 2. How do you classify…

A: 1..>> The performance of the transmission line depends on parameters like :- Resistance of…

Q: a. What are the main components of overhead transmission lines (OHTL)? b. List commonly used…

A: We are authorized to answer three subparts at a time, since you have not mentioned which part you…

Q: A 500-kV, 60-Hz, 3-phase completely transposed overhead line has the resistance R = 0.0201/km, D =…

A: Since you have posted a question with multiple sub-parts, we will solve the first three subparts for…

Q: In a short paragraph, explain the need to use bundled phase conductors in HV, EHV, and UHV 3-phase…

A: Bundled conductors are made up of two or more stranded conductors that have been bundled together to…

Q: 2. a) Draw nominal t model of Transmission Line.

Q: What are the causes of voltage drop and line losses in a transmission line?

A: Line voltage drop occurs due to two main reason given as: (1) voltage drop in line resistance (2)…

Q: HOW CAN A TRANSMISSION CAPACITY OF THE LINE BE INCREASED?

A: The Transmission capacity of the line can be increased by the following methods. They are: Dynamic…

Q: 3-) Three-phase, 100 km long unit length and serial impedance per phase is 0,125+j0.34 2/km. The…

Q: Explain the difference between AC versus DC transmission line design, reliability, applications and…

Q: A three phase overhead transmission line is designed to deliver 190.5mva at 220kv over a distance…

A: The diameter of the conductor and its size

Q: write down the factors considered for selection of conductor for overhead LT distribution line.…

A: There are various factors need to be check before selecting conductor for over head transmission…

Q: Calculate the line to line capacitance per km of a single-phase overhead line having copper…

Q: A)Ibc =? find the load current=?…

A: A)Ibc =? find the load current=? B)Vca calculate the line voltage =? C)Calculate the total complex…

Q: If a transmission line has to be designed with an ultimate strength 6000 kg and a safety factor of…

Q: 1) write down the factors considered for selection of conductor for overhead LT distribution line.

A: We have to write the factors considered for selection of conductor for overhead LT(Line…

Q: In a three-phase 220 kV, 60 Hz overhead transmission line, the conductors have an overall radius of…

Q: A 3- phase 132 kV, 50 Hz 150 km long overhead transmission line consists of three stranded aluminum…

A: Given: For a 3-phase, 132 kV, 50 Hz, 150 km overhead transmission line phase voltage Vph=1323=76.21…

Q: Q2. What is the benefit of using stranded conductors in transmission systems?

A: The benefits of stranded conductors are listed below:

Q: What is the difference between balanced and unbalanced line transmission lines, show the difference…

Q: Given a three-phase load of 125 MW at power factor of 0.8 lagging, operating at 69kV, with a…

Q: A short, three-phase subtransmission line has an impedance of 1.5 + j2.4 ohms/conductor. If the line…

Q: A single phase transmission line has two parallel conductors 2.5 m apart, the radius of each…

Q: The arrangement of conductors of a single-phase transmission line is shown in Figure wherein the…

A: According to the question we have to calculate the inductive reactance of the line.

Q: The span between two level supports for a 132 KV overhead transmission line is 200 The weight of…

A: According to question: Total weight of 1m length of conductor is calculated as…

Q: Example 4: Determine the efficieney and regulation of a 3-phase, 100 km, 50 Hz transmission line…

A: Transmission lines with lengths lying between 80 km to 160 km are categorised as medium length…

Q: 02. What is the benefit of using stranded conductors in transmission systems?

A: The benefits of stranded conductors are given below:

Q: If a transmission line has to be designed with an ultimate strength 6000 kg and a safety factor of…

A: An important characteristics to be inspected while constructing an overhead transmission line is the…

Q: a List the factors affecting the sag of a transmission line. (write any three factors)

Q: A three-phase transmission line is designed to deliver 190.5 MVA at 220 kV over a distance of 63 km.…

Q: Consider the 500 kV, three phase bundled conductor line as shown in the figure below. Find the line…

Q: The three conductors of a 3-Φ transmission line are arranged in a horizantal plane and are 5m…

A: Consider that the phase inductance of phase conductor R,Y and B are LA, LB and LC respectively,…

Q: a) A single-phase transmission line has two parallel conductors m apart, the radius of each…

A: For the two-conductor transmission line system, the loop impedance per m length of the line can be…

Q: A single phase load of 5 MW is transmitted by a pair of overhead conductors. If a third conductor of…

A: Single phase: The phase refers to the distribution of a load. A single-phase system uses a single…

Q: How do the terms ‘impedance drop’, ‘voltage drop’ and ‘voltage regulation’, in connection of…

A: Transmission line is a specialized type of cable used to transmit electromagnetic wave through it.…

Q: If the Transmission Line System is in Double Circuit Configuration, with three conductors in a…

A: In double circuit configuration each tower has six wires two for each phase. One wire acts as…

Q: If a transmission line has to be designed with an ultimate strength 7000 kg and a safety factor of…

A: Given Length of span (l) =300 m T= tension in the conductor Wt. of conductor per meter (W) =2 kg…

Q: phase bundled transmission line of 200 km length consists of three ACSR conductors as shown.…

Q: The total conductor cross section of a 537.40 kV (Peak value) three-phase overhead line with a…

Q: single phase line operating at 50Hz consist of 2, 12strand copper conductors with 1.5 spacing. line…

Q: Question # 03: What is the difference between balanced and unbalanced line transmission lines, show…

A: Given: The difference between the transmission lines which are balanced and unbalanced is asked.

Q: A single-phase transmission line has two parallel conductors 4 m apart, the radius of each conductor…

A: Part i: Write the expression for the external inductance per meter length of one conductor,

Q: Birds are known to perch on 2300V bare transmission line without apparent harm. Explain the reason…

A: The electricity to flow through ,it needs the closed loop and a voltage difference across the…

Q: Example 4 : Determine the efficiency and regulation of a 3-phase, 100 km, 50 Hz transmission line…

Q: In an over head transmission line the conductor weight with ice loading is 2.35 kg. The total weight…

A: As per bartleby guideline for more than one question asked only first is to answered please upload…

Q: single-phase power line comprises two conductors each with a radius 8.0 mm and spaced 1.2 m apart in…

Question

The solution please

Styles
a) Discus why the transmission systems are mostly
overhead systems.
b) Discuss why all overhead lines use ACSR conductors.
c) Discuss why at 400 kV and above the transmission
lines have bundled conductors.

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step 3

VIEW

Step by step

Solved in 3 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, electrical-engineering and related others by exploring similar questions and additional content below.

Similar questions

High Voltage level in Transmission system ensures ………………… a. High current in Overhead conductors b. Less power factor c. Low Power Transfer d. Reduction in conductor size
There are conductor x (number of conductors = 3) and conductor y (number ofconductors = 2’) for a 50 Hz single phase two-conductor line as shown in Figure below. The linelength is 20 miles. a. Calculate GMRx, GMRy and GMD b. Calculate Lx, Ly and total L in H/m. c. Calculate XL in /m per circuit.
a.Why does power plants have high amounts of voltages? Explain. b.Is it safe for transmission lines to have high current instead of high voltage? Why? c.What phenomenon is avoided by having separations between three conductor phases? Explain this phenomenon.
2. What's the primary instrument for locating a break in a cable during emergency maintenance?A. OSAB. OTDRC. MultimeterD. Power meter
A 60 Hz, three-phase, transposed transmission line, is designed with three bobolink conductors per phase, in horizontal arrangement as shown in the figure below. Distance between consecutive phases is D = 6.2 m and distance among bundle conductors is h =0.5m. Each conductor has a radius of 18 mm and a GMR of 14.39mm. The per phase resistance is 1.677x10-5 2/m. r= 18 mm GMR= 14.39 mm a b h D D The per phase shunt admittance assuming zero conductance in µO/km is: О a., 5.4347 O b. j5.3316 О с /4.2266 O d. j4.0973 O e. 59630.2922 + j10.9770
Alumoweld is an aluminum-clad steel conductor. True False
In a short paragraph, explain the need to use bundled phase conductors in HV, EHV, and UHV 3-phase power transmission lines.
A dc two line distributor AB 600 metre long is fed at 440 V from substation A and at 430 V from substation B, the load are: 100 A at C (150 m from A), 200 A at D (150 m from C), 250 A at E (50 m from D), 300 A at F (100 m from E). If each line conductor has a resistance of 0.01 ohm per 100 m, calculate the current supplied from substation A and B and the voltage across each load.
The figure shows a common spacing for a 345 kV line using ACSR Drake conductors in bundles of two conductors with a bundle spacing d = 18 in and distances as shown. Calculate: (a) the line-to-neutral capacitance per mile, (b) the line-to-neutral capacitive susceptance per mile, (c) the per phase inductance per mile, and (d) the per phase inductive reactance per mile. 18" 7' 18" 18" 24' 24'
A single-line diagram of a four-bus system is shown in fiugre. Equipment ratings and per-unit reactances are given as follows.Machines 1 and 2: 100 MVA 20 kV; X1= X2 = 0.2; X0= 0.04 Xn= 0.05 Transformers T1 and T2: 100 MVA 20Y/345Y kV; X1 = X2 = X0 = 0.08. On a base of 100 MVA and 345 kV in the zone of the transmission line, the series reactances of the transmission line are X1 = X2 = 0.15 and X0=0.5 per unit. (a) Determine the bus impedance matrix for each of the three sequence networks. (b) Assume the system to be operating at nominal system voltage without prefault currents when a bolted single-line-toground fault occurs on phase A at bus 3. Compute the fault current, the current out of phase C of machine 2 during the fault, and the line-toground voltages at the terminals of machine 2 during the fault. Total detailed answer is needed. The figure is attached.
Describe the principles and benefits of High Voltage Direct Current (HVDC) transmission systems, and when are they preferred over traditional AC transmission systems?
Which termination would result to a phase change of 180 degrees at the load if Zo = 100 ohm? a. 50 ohm b. short circuit c. 75 ohm d. all of these What is the purpose of impedance matching? a. maximum return loss b. maximum SWR c. maximum load power d. maximum reflection A short piece of transmission line that may be open or shorted and used for impedance matching purposes. a. converter b. decoder c. stub d. transformer