The Voltage Regulation of a Transmission Line should be _____? A. very high percentage. B. more than 100%. C. zero or nil D. as low as possible.
Q: The time interval needed for a surge to travel to the end of a 600 km long overhead transmission…
A: Given, Length of overhead transmission line, l = 600 km Surge travel at a speed of light = 3×108 ms
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…
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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 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: 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: 1. Draw the equivalent circuit of any transmission line, indicating all voltages, currents, and…
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Q: When testing the twisted pair cable through cable tester, if the LED lights are jumping back and…
A: Cable Tester- Cable tester is a device which is used to test a cable. Cable tester detects the…
Q: Calculate the voltage reflection coefficients at the terminating end of a transmission line with a…
A: Voltage reflection coefficient is determined based on characteristics impedence and load impedence…
Q: false
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Q: 4) When the transmission line is terminated by a matched load, what is the value of the VSWR?
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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…
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Q: Determine the Current through the line, Sending end voltage, Sending end power factor, Regulation of…
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Q: How many distance measuring units will be required for the complete three stepped protection of a…
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Q: Distinguish between Lumped or Distributed elements in a Transmission Line. Note please don’t…
A: The explanation is as follows.
Q: - The figure below shows the structure of which busbar? If CBF has occurred, please explain how many…
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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: QUESTION: Explain or describe or define in your own words and your own understanding, without…
A: Bundled Conductors for transmission lines: Sometimes, for certain advantages, the transmission lines…
Q: 5. What is a borrowing strategy in fixed channel assignments?
A: The solution is provided in the following section.
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: Based on simple schematic diagram, briefly describes the criteria and characteristic of short and…
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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: 02. What is the benefit of using stranded conductors in transmission systems?
A: The benefits of stranded conductors are given below:
Q: In the matter of transmissions and distribution, the subject of sag for tow towers, there are two…
A: Taking consideration as w is the weight per unit length , l distance between two towers (measured…
Q: What is the approximate value of the surge impedance loading of a 400 kV, 3 phase 50 Hz overhead…
A: Given, A 3 phase 50 Hz overhead single circuit transmission line kV rating is 400 kV
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: 2. What is the responsibility of MSC in cellular telephone system? a) Connection of mobile to base…
A: Correct option is b) connection of mobile to PSTN
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: evaluate the size of conductor for overhead transmission lines
A: In the past, copper was frequently used as a conductor for transmission lines, but aluminum…
Q: Does the length of a properly terminated and matched transmission line affect the SWR?
A: Standing waves on a transmission line affects both the impedance seen at the data and the overall…
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: Distinguish between Lumped or Distributed elements in a Transmission Line.
A: The explanation is as follows.
Q: What parameters determine the characteristic impedance of Lossless transmission
A: In this question we will write parameters which determine the characteristic impedance of Lossless…
Q: In Duplicate Busbar System, all incoming and outgoing lines are physically connected to both the…
A: We need to tell about true or false for given statement.
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: For short lines less than 80 km long, loadability is limited by the thermal rating of the conductors…
A: Basically the transmission line is classified on the basis of Voltage drop across it. and stability…
Q: Is it advisable to use Multi-pair punch in terminating cables in patch panels? Why?
A: Patch panel: It is a local area network (LAN) that is a mounted equipment gathering that contains…
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…
Q: procedure for UG cable Joining?
A: It is asked to explain the procedure underground (UG) cable joining.
Q: In Single Busbar System with Bus Sectionalization, any two sections of the Busbar are connected via…
A: A power station is to provide electricity to a huge number of people. Different customer’s power…
Q: Why in medium and long transmission lines, regulation is greater than voltage drop?
A: Medium transmission line- It is a type of transmission line whose length is more than 80km but less…
Q: 1. The transmission system has two types; 2. For the extra high voltage transmission. 3. ACSR stands…
A:
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- 2. What's the primary instrument for locating a break in a cable during emergency maintenance?A. OSAB. OTDRC. MultimeterD. Power meterThe active component of line current in figure 1 is______. a. 12A b. 20A c. 12A d. 4A16 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.
- 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 !!!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.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
- Give the raceway size required for each of the following conductor combinations: 1. Three, 1/0 AWG, Type THHN in EMTIn a CE configuration, the voltage gain is __________ . a.always positive b.negative c.almost zero d.very lowDiscuss Suspension insulators are recommended in high voltage transmission lines.
- 10. Main bonding jumpers are required to be made of _______ or other corrosion-resistant material.A. copperB. aluminumC. copper-clad aluminumc.1. Which of the following is one of the three essential functions of an equipment grounding conductor?A. Provide an arc-fault current pathB. Establish groundingC. Establish bondingD. Ensure the system is groundedc.2. What's another name for the three-point method of Earth resistance testing?A. Fall-of-potentialB. Line surgeC. Spatial shieldingD. Leakage current c.3. If the National Electrical Code provides a requirement to ground equipment, it generally implies thatthere will be a direct connection to the Earth of a connection through a/anA. grounding electrode conductor.B. equipment grounding conductor.C. equipotential bonding conductor.D. bonding conductor.9. When isolated/insulated equipment grounding conductors (EGCs) are installed with the branch circuit,how many EGC paths are there?A. TwoB. FourC. ThreeD. One