One of the following factor affects the resistance of the transmission line. O Temperature O Humidity O Weight of the conductor O Type of insulation
Q: i) An overhead transmission line is supported at a river crossing by two towers of height 33 m. The…
A: As per Bartleby guidelines we are allowed to solve only three subparts, please ask the rest again.…
Q: Resistance of transmission line conductor is the most important cause power loss in a transmission…
A: resistance of transmission line conductor is the most important cause of power loss in a…
Q: True or False: In power line cables the conductor size determines the current-carrying capability…
A: In the power line specifications The conductor size determine the current carrying capability and…
Q: A transmission line cable consists of 13 strands of identical aluminum conductors,
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Q: An overhead 3-phase transmission line delivers 4000 kW, 22 kV at 0.7 p.f. lagging. The length of the…
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Q: The number of disc insulators used in a suspension insulator setup with string efficiency 90 %,…
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Q: The towers of height 45 m and 85 m respectively support a transmission line conductor at water…
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Q: 11. A single-phase line operating at 60 Hz consists of two 4/0 12-strand copper conductors with 5 ft…
A: Given: A single-phase line operating at 60 Hz consists of two 4/0 12-strand copper conductors with 5…
Q: 34. A 69 Kv,40 mile transmission line has two bundled conductor per phase, conductors of the bundle…
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Q: One of the following factor affects the resistance of the transmission line. O Temperature O Wwight…
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Q: In the analysis of Short Transmission Lines, the Lines should be in which type of Three-Phase…
A: SOLUTION- for short transmission lines show three phase connection used constellation diagram
Q: Over sting of 3- phase transmission line has 4 insulators and Ce=0.15C. If the voltage between the…
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Q: A three phase transmission line is made up of aluminum conductor wires 80 km long. Find the dc and…
A: Length of conductor is L=80 km = 80×103 m Diameter of conductor d = 480 miles Radius of conductor is…
Q: Which among these statements is false or incorrect? O A. The length of the Sag is generally small…
A: We need select the incorrect statement.
Q: Three conductors of a 3-phase overhead line are arranged in a horizontal plane in the order a-b-c,…
A: 1. Distance between a and b is 6 m, b and c is 6 m 2. Diameter of each conductor is 1.5 m 3.…
Q: In an over head transmission line the weight on the conductor due to wind is 2.35 kg. The total…
A: In overhead line weight on the conductor due to wind = 2.35kg Total weight = 3.45kg No ice loading…
Q: 4.5 A 60-Hz, 765-kV, three-phase overhead transmission line has four ACSR 900 kcmil 54/3 conductors…
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Q: A transmission line has a span of 150 m between level supports. The tension in the conductor is 2000…
A: Sag in transmission line is defined as the distance between maximum bending point to tower plane.…
Q: Q2: A single-phase transmission line composed of two composite conductors (side X and side Y) as…
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Q: In power line cables the conductor size determines the current-carrying capability and voltage drops…
A: The specification of the power line cables The conductor size for current carrying capability and…
Q: The SAG of the conductors of a transmission line is 2.5 meters when the span is 250 meters. With all…
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Q: Determine the best current density in amperes/mm2 for a three phase overhead line. The line is in…
A: Given that,ρ=1.73Ω-mJ=6200 Kg/m3Cost of Conductor =Rs. 3/KgTotal time=2000 hoursWeight=6200 Kg/m3Let…
Q: Question 1) A 154 kV transmission line has a length of 100 km. The line and the conductors are given…
A: Concept: In bundled conductors, GMD and GMR increased, reducing inductance hence decreases inductive…
Q: Purely resistive loads of 24 kW, 18 kW, and 12 kWare connected between the neutral and the red,…
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Q: 82 A transmission line has a span of 150m between level supports. The conductor has a weight of…
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Q: State the kelvin's law for economic section
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Q: 04. A Transmission Line has a span of 250 meters between two level supports. The conductor has a…
A: The given data's are, Life span is 250 m, Cross sectional area is 1.29 cm2, Weight is W=1170…
Q: The towers of height 35 m and 95 m respectively support a transmission line conductor at water…
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Q: An overhead transmission line has a span of 220 metres the conductor waiting 0.504 kg/m. What will…
A: Given An overhead transmission line has a span of (l) = 220 metres conductor waiting, W = 0.504…
Q: An overhead transmission line has a span of 260 m. The weight of the conductor is 0.68 kg/m. The…
A: Given an overhead transmission line has, Span, l = 260 m Weight of the conductor, w = 0.68 kg/m…
Q: The conductors of the overhead transmission lines are а. None of the Above O b. Stranded Conductors…
A: we need to tell what type of conductors are used in the overhead transmission lines.
Q: Н.W. 3-phase bundled conductor line with two sub-conductors per phase has a horizontal configuration…
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Q: 11. A single-phase line operating at 60 Hz consists of two 4/0 12-strand copper conductors with 5 ft…
A: a single phase line operating at 60Hz consists of two 4/0 12- strand copper conductors with spacing…
Q: The SAG of the conductors of a transmission line is 2.5 meters when the span is 150 meters. With all…
A: According to question we have to calculate the value of sag with apply given condition.
Q: What is the primary reason for adopting transposition of conductors in a three phase distribution…
A: In this question we will write about transposition of conductors in 3 phase distribution system....
Q: H.W. A 400 kV 3-phase bundled conductor line with two sub-conductors per phase has a horizontal…
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Q: An over head transmission line supported from two towers location at the same level. The distance…
A: A sag in the transmission line is defined as the vertical distance between the wire and its tower…
Q: 05/ A transmission line over a hillside where the angle is (0 = 2.2924°), is supported by two 22 m…
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Q: A 400 kV 3-phase bundled conductor line with two sub-conductors per phase has a horizontal…
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Q: 3. Electric power of 50 MW is to be transmitted over a 152 KV, 3-phase, J-wire transmission line the…
A: The power system has to transmit power from the generation side to the load side. For this purpose,…
Q: 1. A transmission line has a conductor weight of 1200 kg/km and stress of 1110 kg. The sag was 9m.…
A: Please refer the attached images for the complete answer..
Q: A three phase transmission line has horizontal configuration with a spacing of 6 meters between…
A: Choose the correct option What is value of inductive reactance for the 1kM . We know inductance L…
Q: Types of Aluminum Conductors AIR UNIVERST O AAC - (All Aluminum Conductor) O ACSR - (Aluminum…
A: Types of Aluminium conductors : All Aluminium Conductor (AAC) is a refined aluminum stranded…
Q: Q1/ What is the cause of low and high voltages in electrical transmission lines from the receiving…
A: Given: Low and high voltage in electrical transmission lines
Q: Sag of the conductors of a transmission line is 2 m when the span is 200 m. Now if the height of the…
A: Sag is vertical difference between the points of supporting towers and lowest point on conductor.
Q: iv. For a long high voltage transmission line with light loading: (a) The voltage is generally high…
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Q: What is the maximum length in km for 1 phase transmission line having conductor of 0.775 square…
A: According to the question we have to find the value of maximum length in km.
Q: o (i) Describe the main purpose of insulators in overhead transmission lines. (ii) Explain the…
A: The explanation is as follows.
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- 8/The Efficiency of a Transmission Line should be _____? A. as high as possible. B. as low as possible. C. zero or nil D. none of the choices or options3. Electric power of 50 MW is to be transmitted over a 152 KV, 3-phase, J-wire transmission line the length of the line is 300km and the eficieney of transmission is 85%. Aluminum is used for conductor material which has resistivity of 3*109 Amcalculate the volume of the conductor material used for a power factor of 0.8 lagging.Problem 02: A three phase transmission line is made up of aluminum conductor wires 80 km long. Find the dc and ac loop resistance if the conductors are 480 mils in diameter. Resistivity = 2.8 x 10 -8 ohm – meter. readable answer please thanks.
- Purely resistive loads of 24 kW, 18 kW, and 12 kWare connected between the neutral and the red, yellow and blue phases respectively of a 3-Φ, four-wire The line voltage is 415 V. Calculate: I. the current in each line conductor (i.e., IR, IYand IB); and the current in the neutral conductor.What is the maximum length in km for 1 phase transmission line having conductor of 0.875 square centimeter area over which 220kW at 0.8 power factor and 3500V are to be delivered? The efficiency is 80% and specific resistance is 1.825 micro cmWhat is the maximum length in km for 3 phase transmission line having conductor of 0.875 square centimeter area over which 220kW at unity power factor and 3500V are to be delivered? The efficiency is 80% and specific resistance is 1.825 micro cm.:
- A No.10 AWG aluminum conductor carrying a load of 16A on a 220 V, single-phase circuit. Approximate the maximum distance. Use a maximum voltage drop of 3%. (Hint: the conductor has a cross-sectional area of 10, 380 cmils)The SAG of the conductors of a transmission line is 2.5 meters when the span is 150 meters. With all other remain unchanged, what will be sag if span is increased by 50%?:The resistance and reactance of the single-phase 60Hz transmission line conductors are 8.8 ohm and 10.4 ohm respectively. The transmission line delivers 55MW at a power factor of 0.78 lagging to the load with 50kV receiving end voltage. Determine the following a) The inductance of the transmission line in mH Answer for part 1 b) Sending end power factor Answer for part 2 c) Percentage voltage regulation Answer for part 3 d) Percentage Efficiency Answer for part 4
- A 50 km long transmission line supplies a load of 5 MVA at 0.8 p.f. lagging at 33 kV. The efficiency of transmission is 90%. Calculate the volume of aluminium conductor required for the line when 3-phase, 3-wire system is used. The specific resistance of aluminium is 2.85 × 10^-8 ohm/m.Determine the best current density in amperes/mm2 for a three phase overhead line. The line is in use for 2600 hours per year and if the conductor costs Rs.3/Kg. It has a specific resistance of 1.73* 10-8 Ωm and weighs 6200 kg/m3. Cost of energy is 10 paise/ unit. Interest and depreciation is 12% of conductor costsIf the line has a length of 30 km., what is the real power loss along the line if the voltage across the load (Vload) is 220 V AC? Express the answer in Watts. The given voltage can be assumed to be at angle zero.