(i) Explain the major components of a high voltage transmission lines with suitable diagram. Label the diagram accordingly. (a)
Q: A transmission line conductor at the water crossing was supported by two towers of height 35 m and…
A:
Q: What is the difference between balanced and unbalanced line transmission lines, show the difference…
A:
Q: An over head transmission line has a cross area of conductor of 4 cm and supported from two towers.…
A: Given: For an overhead line supported at the same level, weight per meter length of conductor w=6 N,…
Q: The grounded circuit (system) conductor is generally not permitted to be used to ground equipment on…
A: Given, The grounded circuit (system) conductor is generally not permitted to be used to ground…
Q: Choose the correct Answer: ETC Department of UTAS-NIZWA wants to install the cable in the computer…
A: There are three fiber optical cables are given as we know fiber optical cable has high bandwidth.…
Q: A lossless 50 ohms transmission line is connected to unknown load impedance. Voltage measurements…
A: For the above-given data load reflection. load impedance and the distance is calculated as shown…
Q: A transmission line has a span of 150m between level supports of 16 meter height. The ground…
A: Span of transmission line is given span =150 m Height is given h = 16 m Ground clearance = 90 %
Q: Discuss factors that affect selection of the support systems for the transmission lines. What are…
A: To support conductors of transmission lines, various type of supporting structures are available…
Q: A lossless 50 ohms transmission line is connected to unknown load impedance. Voltage measurements…
A: For the given data of lossless transmission line load reflection and load, impedance is determined…
Q: How does rise in voltage at the receiving end of an open circuited line depend upon the length of…
A: Given:-
Q: . Why in medium and long transmission lines, regulation is greater than voltage drop?
A: There are three types of transmission lines on basis of the distance of transmission: Short…
Q: Please describes the superheterodyne receiver in terms of the type and sequence of components…
A: The process of mixing two signals having different frequencies to produce a new frequency is called…
Q: Q2: Consider a lumped - element circuit model for a transmission line to derive Transmission Line…
A: Derivation of the time domain Telegrapher's equation for equivalent circuit model of Transmission…
Q: 1. Draw the equivalent circuit of any transmission line, indicating all voltages, currents, and…
A:
Q: 1-DO you need a repeater station if we used optical cable under the sea level? And why?
A: If we used optical cable under sea level then there is a chance that it lose or reduce its signal.…
Q: 4) When the transmission line is terminated by a matched load, what is the value of the VSWR?
A:
Q: What are the maximum and the minimum value of VSWR of transmission line?
A: VSWR stands for Voltage Standing Wave Ratio. It is a function of reflection coefficient and it can…
Q: A three phase 60HZ, 60kV transmission line consisting of 3 conductors are placed at the corners of a…
A:
Q: State the factors affecting the sag in a transmission line? What is the chief argument that favours…
A: The vertical distance between the point where the line joins the tower and the lowest point on the…
Q: What is the difference between balanced and unbalanced line transmission lines, show the difference…
A:
Q: Examine the role played by modern wireless communication systems in the deployment of the Smart…
A: A message signal is transferred from the sender to the receiver end. The signal is transmitted…
Q: - The figure below shows the structure of which busbar? If CBF has occurred, please explain how many…
A:
Q: write and explain the main component used in overhead transmission lines.
A: Overhead transmission lines are used to feed the bulk amount of electricity energy from generating…
Q: What overhead conductor size should be used to supply a load of 40,000KVA at 95% pf and receiving…
A: Given Overhead conductor P=40, 000 KVA pf =0.95 Vr =69 kV permissible voltage drop = 5% length =8…
Q: Give the reason of acharging current is exiting in a line even when line is open circuited at the…
A: In a transmission line, air acts as a dielectric medium between the conductors. When the voltage is…
Q: Design a ‘π’ equivalent circuit for 320 km long 3-φ, 50 Hz transmission line. The line is composed…
A:
Q: Identify and describe the step-by-step process used to install cable in the NCT Colledge buildings?…
A: According to the question we need to Identify and Identify and describe the step-by-step process…
Q: Based on simple schematic diagram, briefly describes the criteria and characteristic of short and…
A:
Q: What are the considerations in choosing the appropriate transmission line?
A: While choosing the transmission line 1) it should have less voltage drops. 2) it should be suitable…
Q: Explain the two main testing process used in testing transmission cables.
A: Fiber optics is a technology that is connected with the transmission of information as light rays…
Q: Derive the expression for the receiving end power in the voltage control method.
A:
Q: a List the factors affecting the sag of a transmission line. (write any three factors)
A:
Q: 8. How do the terms ‘impedance drop’, ‘voltage drop’ and ‘voltage regulation’, in connection of…
A: Impedance drop: Impedance drop is the product of the current and the internal impedance. The…
Q: A three-phase transmission line is designed to deliver 190.5 MVA at 220 kV over a distance of 63 km.…
A:
Q: Discuss Suspension insulators are recommended in high voltage transmission lines.
A: Pin encasings become excessively cumbersome an uneconomical past 33 kV. Thus, for voltages higher…
Q: (i) Explain the major components of a high voltage transmission lines with suitable diagram. Label…
A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…
Q: 3. What are the causes of voltage drop and line losses in a transmission line?
A: Line voltage drop occurs due to Voltage drop in line resistance Voltage drop in line inductive…
Q: Transmission lines can be categorized on the basis of their length. Explain short transmission line…
A: Trans mission lines can be cateogerized into 3 types on the basis of their lengths 1. Short lines…
Q: 2) Write down the specification and types of insulators used in transmission line
A: The electrical insulator is a device that provides the required insulation between the line…
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: Explain the carrier current protection scheme for a long transmission line. What are the important…
A: On lengthy transmission lines, quick-acting safeguards are required in current high-power electrical…
Q: xplain or describe or define in your own words and your own understanding, without copying from the…
A: There are two configurations of the transmission line is available. single circuit configuration in…
Q: A transmission line has a span of 150m between level supports of 16 meter height. The ground…
A: Span is 150 m Height of the tower is 16 m Ground clearance is 95% of the tower of height.
Q: 6- Discuss the cases "matched and mismatched" in transmission line? 1 Add file
A:
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: Calculate the Reactance of the Line, Current flowing through the transmission line, Sending end…
A:
Q: A transmission line has a span of 150m between level supports of 10 meter height. The ground…
A: Consider the diagram shown in Figure below
Q: The copper line with a total length of 20 meters operates in the 220 volt city network. If three…
A:
Q: Prove that the conductor cost for transmission line is inversely proportional to the square of the…
A: Power suppied by source is cosntant VIcosϕ = constsant I∝1vlosses are also constant (I2R = constant…
pls ans soon
Step by step
Solved in 4 steps with 2 images
- 16 Which among these statements is false or incorrect about Transmission Lines? A. It is possible to have more than one cable per phase in a Transmission Line. B. Three-Phase Transmission Lines always only have three cables. C. Double Circuit configuration can transmit more power compared to Single Circuit configuration. D. Transmission Lines are generally bare conductors like ACSR.2. What's the primary instrument for locating a break in a cable during emergency maintenance?A. OSAB. OTDRC. MultimeterD. Power meterWhich among these statements is false or incorrect about Transmission Lines? A. Three-Phase Transmission Lines always only have three cables. B. It is possible to have more than one cable per phase in a Transmission Line. C. Transmission Lines are generally bare conductors like ACSR. D. Double Circuit configuration can transmit more power compared to Single Circuit configuration.
- Write True or False and correct the wrong statement (Ans 7. The unit nearest to the cross-arm in tower has maximum voltage across it and hence it likely to be repaired. 8. Corona losses in DC Transmission supply 10 times more than AC transmission. 9. Irregularity Factor (mv) has value of 0.9 to 0.95 in rough conductor. 10.Power losses in corona dissipated in the form of conductor vibrating. 11. The corona loss on a particular system at 50 Hz is 1 kW/Km per phase but for the same system but 60 Hz will be 1.5 kW/Km per phase. 12.If the number of poles in 3ph 11kV transmission line is 80, then we need 420 discs to suspend the conductor on these poles.a). What is the reason for providing sag in an Overhead transmission line? b). List any two properties of supporting structure required for an Overhead transmission line. A a) Answer b)Answer !!!Sketch and analyse the various methods to improve the string efficiency for an overhead line having number of units of insulators: i) Guard Ring Technique; ii) Grading Technique.
- 4. What can installation records be used to determine while servicing equipment?A. Broken connectors in a cable linkB. Problems due to aging during operationC. Broken fiberD. Decreased bending radius during operationWhat is a grounding conductor? What is a grounding conductor (equipment)? What is a grounding electrode conductor? What is an outlet?a List the factors affecting the sag of a transmission line. (write any three factors)
- Discuss why: (a) All ac transmission and distribution system are 3 phase system. (b) The transmission systems are mostly overhead systems. (c) All overhead lines use ACSR conductors. (d) Overhead line conductors are invariably stranded.Discuss Suspension insulators are recommended in high voltage transmission lines.Give the raceway size required for each of the following conductor combinations: 1. Three, 1/0 AWG and one, 1 AWG, Type THW in EMT