The sag of a transmission line with 50meter span is 1meter. What will be the sag if the height of the transmission line increased by 20%?: O a. 1.2 meter O b. 1.25 meter O . 1.50 meter O d. 1 meter
Q: Define power system. Write down the characteristics of transmission line
A: An electric power system is a network of electrical components used to supply, transfer, and…
Q: A short transmission line is represented by an impedance of 0.01 + jo.04. What is the voltage…
A: Given data, A short transmission line has Z=0.01+j0.04 ΩI=1.93∠-8° puVs=1∠0° pu
Q: Vo coswt Z, = 50 10
A: V(L) = V+ejBL [1+τej(ϕL-2βL)] I(L) = V+ejBLZo [1-τej(ϕL-2βL)]
Q: An extra high voltage transmission line of length 300 km can be a lossless line having propagation…
A: Given: An EHV lossless line, l=300 kmPropagation constant (β)=0.0027
Q: e)Draw the single line diagram of AC and DC transmission. Compare both of them and draw conclusion…
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Q: How do you classify transmission lines?
A: Transmission line is a medium using which power is transferred from the generating station to the…
Q: Incoming and outgoing lines in a substation are connected to a Busbar. Select one: True False
A: Choose the correct option The given Statment Incoming and outgoing lines in a substation are…
Q: In a three phase 500 kV transmission line, diameter of the conductors are 48 mm. The breakdown…
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Q: A 100 km long transmission line is loaded at 100 KV.If the loss of line is 15 MW and the load is 150…
A: Given: S=150 MVAVL=100 kVPLoss=15 MW
Q: A transmission line has a span of 150m between level supports of 10 meter height. The ground…
A: As given in the question transmission line (L) = 150 Height from the bottom is = 10 meter…
Q: A 50Km line is considered as O Short Medium O Long All
A: The transmission line can be classified in three part, Short line Medium line Long line
Q: 1. A transmission line at river crossing is supported by two towers. Height of the lower tower is 72…
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Q: The conductor of one phase of a three- phase transmission line operating at a line voltage of 258 kV…
A: Given: Line voltage=258 kV Rated VA=510 MVA CT ratio of current transformer=1000/5
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: :A 502 lossless transmission line of 1.622 length is terminated with (70-j70)Q load. Find: (a) VSWR,…
A: As per Bartleby guidelines we are allowed to solve only three subparts, please ask the rest again.…
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: Calculate the input impedance of the transmission lines given in the figure
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Q: In a short transmission line the receiving end voltage is equal to Select one: O a. The difference…
A: Due to line resistance and line reactance there is drop in line, so receiving end voltage and…
Q: Problem statement: A three phase 60- Hz, 550- kV transmission line is 300 km long. The line…
A: we have given ;A three phase system frequency f=60Hzsource voltage =550kVlength of transmission line…
Q: What is the necessary condition for matching transmission lines? In addition, what is a microstrip…
A: The necessary condition for matching transmission lines is Impedance Matching. The transmission line…
Q: 2. a) Draw nominal π model of Transmission Line.
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Q: Question 1) A 154 kV transmission line has a length of 100 km. The line and the conductors are given…
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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: A 180 KV transmission line has the following data: w = 680 kg/km, Length of the Span = 300 m,…
A: Given A 180 KV transmission line has the following data: w = 680 kg/km, Length of the Span =…
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: A long transmission line of 370 N surge impedance is connected to two cables each of surge impedance…
A: According to question we have to calculate the value of junction voltage, current wave and voltage…
Q: What are the factors which governs the performance of transmission line?
A: There are totally 4 parameters which includes Resistance, Inductance, Capacitance and Shunt…
Q: If a transmission line has to be designed with an ultimate strength 8000 kg and a safety factor of…
A: Given, l=275 m T=8000 kg w=2 kgmwi=0.7 kgmww=0.95 kgm where, l is the length of span, w is the…
Q: 1. A 10km Overhead transmission line is supported by two towers of 80 meters and 62 meters at a…
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Q: What is the maximum length in km for 3 phase transmission line having conductor of 0.775 square…
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Q: a single-phase transmission line has two parallel conductors, 1.5 meters apart. the radius of each…
A: According to question: Let A and B be two conductor of single phase transmission line, so inductance…
Q: What is the maximum length in km for a 1-phase transmission line having copper conductor of 0-875…
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Q: Voltage regulation of a transmission line should be O a. as low as possible O b. None of the answers…
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Q: The inductance of the transmission line in mH Sending end power factor Percentage voltage regulation…
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Q: With at least five points , compare overhead to underground transmission lines.
A: As per Bartleby guidelines we are allowed to solve only one question, please ask the rest again.
Q: A Double Circuit Transmission System will always only have six cables or conductors suspended on the…
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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: 3. Stability requirements limit the power-handling capability of: a. Long lines. b. Short lines. c.…
A: Stability requirements limit the power - handling capability of Long lines. Option A is the correct…
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: What is the maximum length in km for 1 phase transmission line having conductor of 0.875 square…
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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: A Single-Phase Transmission Line has two parallel conductors 1.75 meters apart. The radius of each…
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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: 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: A transmission line has a span of 250 meters between the line supports. The conductors has a cross…
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Q: three-phase transmission line delivers 15 MW at 132 kV with 0.8 power factor lagging. The loss in…
A: Line current=power3×VL×power factor Power loss =3×I2×total resistance of line.
Q: The conductor of one phase of a three- phase transmission line operating at a line voltage of 324 kV…
A: Given that MVA rating of VT (S) = 930 MVA Primary voltage of VT ,V1 =324 KV CT ratio = 1200/1…
Q: Company Y would like to have a new installation transmission line to open a small new city consist…
A: Given Vr=132 kV Po=300 MW cos (ϕr)=0.85 f=50Hz
Q: A transmission line has a span of 150m between level supports of 18 meter height. The ground…
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- If the per-phase line loss in a 70-km-long transmission line is not to exceed 65 kW while it is delivering 100 A per phase, compute the required conductor diameter if the resistivity of the conductor material is 1.72108-m.Find the inductive reactance per mile of a single-phase overhead transmission line operating at 60 Hz given the conductors to be Partridge and the spacing between centers to be 30 ft.A transmission-line cable with a length of 2 km consists of 19 strands of identical copper conductors, each 1.5 mm in diameter. Because of the twist of the strands, the actual length of each conductor is increased by 5. Determine the resistance of the cable if the resistivity of copper is 1.72-cm at 20C.
- Calculate the capacitance-to-neutral in F/m and the admittance-to-neutral in S/km for the three-phase line in Problem 4.18. Also calculate the line-charging current in kA/phase if the line is 110 km in length and is operated at 230 kV. Neglect the effect of the earth plane.Consider a long radial line terminated in its characteristic impedance Zc. Determine the following: (a) V1/I1, known as the driving point impedance. (b) | V2 |/V1|, known as the voltage gain, in terms of al. (c) | I2 |/| I1 |, known as the current gain, in terms of al. (d) The complex power gain, S21/S12, in terms of al. (e) The real power efficiency, (P21/P12)=, terms of al. Note: 1 refers to sending end and 2 refers to receiving end. (S21) is the complex power received at 2; S12 is sent from 1.A 50-m long transmission line has a total attenuation of 15 dB. What is the attnuation coefficient (in Neper per meter)? Enter only the numerical value. No need for the unit. Use four decimal places (if the answer is not an interger).
- The voltage on a 75 ohm transmission line decreases by 0.10% per meter. What length of this transmission line would result to 3 N attenuation?The transmission line has the following dataweight of the conductor = 8.2 kg/m, working tension = 1765 kg, and the conductor sag = 4.2 meter, then the distance between the towers is ....................What is the necessary condition for matching transmission lines? In addition, what is a microstrip line?
- Estimate the distance over which a load of 15000 kW at 0·85 p.f. can be delivered by a 3-phase transmission line having conductors of steel-cored aluminum each of resistance 0·905 Ω/phase per kilometer. The voltage at the receiving end is to be 132 kV and the loss in transmission is to be 7·5% of the load.A transmission line is supported from two towers at heights of 40 m and 58 m above ground level, the horizontal distance between the towers being 300 m. If the maximum allowable tension is 2500 kg, find the minimum clearance and the clearance at a point mid-way between the towers. Weight of conductor is 1 kg/m.A transmission line has a span of 150m between level supports of 16 meter height. The ground clearance is 95 % of the tower height. The difference in level between the points of supports and the lowest point on the conductor in meters is............ (Complete answer)