D/10 OpA:17Asiacell l.Questions.docxQ1/I An overhead transmission line at a river crossing is supported from two towers. The horizontaldistance between the towers is 500 m as shown in fig below . If the maximum aliowable tension is1600 kg and the Total weight of one meter length of conductor is 1-5 kg, If the conductor has icecoating of radial thickness 1:27 cm ,Clearance of the lowest point O from water level=23m,Sag at mid-point P = 7-68 m, Volume of ice per meter length of conductor = 1288 cm3Calculate1-The height of the two towers2- Clearance of mid-point P from water level3- Sag at 75m from the lowest tower4-The conductor diameterI 500 m

lenght(l)= 500/2 =250m Tension(T)= 1600kg-wt weight(W) = 1.5kg-wt/m height=?

Answered: „Clearance of the lowest point O from…

Engineering

Electrical Engineering

„Clearance of the lowest point O from water level=23m,

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 4.12P: Find the inductive reactance per mile of a single-phase overhead transmission line operating at 60...

See similar textbooks

Related questions

Q: Determine value of IR if supply voltage equal to 0.4 V ( Explain the reason for your answer in…

Q: Which of the following is NOT an advantage of surface mount technology? O Greater board density O No…

A: OPTION - D is the correct answer.

Q: A 230V radial distributor is 70m long and has a resistance of 0.0008 2/m supply and return. Four…

A: A 230 V radial distributor is 70 m long and has a resistance of 0.0008 Ω /m supply and return. Four…

Q: 45 What is the MAXIMUM number of modules allowed in a string with the following module…

A: Module Voc_max = Voc x [1 + (Tmin - TSTC) x (Tk_Voc/100) = 80.8x [1 + (-10°C - 25°C) x (-0.28 %/°C…

Q: Two wires A and B made from two different materials have temperature coefficient of resistance equal…

A: Given data: αA=0.0025 ohm per degree Celsius. αB=0.0005 ohm per degree Celsius. αR=0.001 ohm per…

Q: Computed Equivalent Resistance (Req) Ohms Law Method

Q: Write at least 10 safety measures in circuit connection at home. Give a short explanation each.

A: Following are the safety measures in the circuit connection at home. 1. Always use correct wattage…

Q: Using thevenin theorem, determine the charge and discharge equivalent circuits for the Figure 4a.…

Q: An enclosure, constructed so that moisture will not enter the enclosure under specific test…

A: enclosure generally constructed so that the outside moisture not enter and it not cause any error in…

Q: 4- Applied voltage to the single core cable is equal to 250kV and Cross section area of the cable is…

A: a)Area of the cable is given by A=πr12So area A=12.56 cm212.56=πr12r1=1.9994 cmSo diameter…

Q: 3. What are the three general classes of erroTS ?

Q: the moisture percentage in timber is increased for the places expose to low temperature Select one:…

A: During typical times, the timber is used as fuel for electrical power generation. When there is no…

Q: 150 kv single core cable has a radius of cable of 5cm. The insulation martial has two layers. The…

A: This is a good question based on the power system distribution topic in power systems. In this the…

Q: Q10/ choose the correct answer Non contact type temperature sensors are operating under the…

A: Non contact type temperature sensors

Q: Find the probability that a closed path will exist between terminals A and B.

A: Given:

Q: ale for a time? ohmmeter terminals are not to be left short circu

A: In this question, we have 2 parts and we have to answer these related to ammeter and ohmmeter..

Q: A 2-wire d.c. distributor A B is fed at both ends at the same voltage of 230 V. The length of the…

A: Let’s draw the single line diagram by locating distance and current Let r be a resistance…

Q: he minimum size raceway for the following feeder conductors is: Three, 250 kcmil conductors with…

A: Note: We are authorized to answer the first question since the exact one wasn’t specified. Please…

Q: 3. A glass tube contains an oil of specific gravity 0.85 to depth of 150 cm. Find the gauge pressure…

Q: 4. The pressure gauge of an air receiver reads 2.9kg/cm². Determine the equivalent absolute…

A: 4) To find the equivalent absolute pressure for the guage pressure of 2.9 kg/cm2 . 1 kg/cm2 = 98.066…

Q: Explain the following in one or two paragraph only. 1. Open circuit 2. Short Circuit

A: According to question, We have to explain the open circuit and short circuit.

Q: 4. Solve for VAR of the circuit shown below. Measure the resistance across the terminal where the…

A: In this question, Find the voltage across the A and B terminal. We are solved this problem using…

Q: 1.a. Section 300.15(C) requires a fitting to be installed on each end of a conduit or tubing being…

A: 1.a. According to NEC section 300.15(C), A conduit or box body shall not be required where cables…

Q: Raceway fill calculations are a prerequisite in ____ needed for particular circuits. Select one: A.…

A: Raceway fill calculations are a prerequisite in determining the size of the raceway needed for…

Q: Article 300 The is defined as the area between the top of direct-burial and the finished grade. a.…

A: Direct burial cable is a kind of cable which is designed to be buried under the ground without the…

Q: The Outer Sheath protects the Steel Wire or Tape from atmospheric contaminants and agents. Select…

A: Steel wire or tape is covered by outer sheath to protect the wire from atmosphere changes and…

Q: In underground cables, the serving is used to protect from atmospheric conditions Insulator O…

A: Choose the correct option In underground cables, the serving is used to protect....... From…

Q: Electric power supply based on the type of power transmission may be classified as under ground…

A: Electrical power system is normally comprising of power generation, transmission, distribution and…

Q: 2- What is the function of the following figure? A, Az Az A, - Count = 1 - Clear - I Load Counter -…

Q: A steel pipe with outside radius of 12-inches and length 2 ft is coated outside with 0.01 in of…

A: Given a steel pipe having, Outside radius, R = 12 inches Copper coated = 0.01 inches Inside radius,…

Q: Please make it clear solution and step by step

A: In the above diagram we assume the cable to have two capacitances because of the presence of two…

Q: 4-84. A high-voltage transmission line of No. 6 solid hard-drawn copper wire which weighs 79.5 lb…

A: Draw the diagram for the right side of the cable as below.

Q: A total of 4 lamps (one at each corner at a height of 15m) illuminate a square site of 0.2ha. If the…

A: The illuminance of light is measured using lumens, lux, or candela. The Lumens are units used for…

Q: What is the current drawn from the source

A: What is the current drawn from the source?

Q: Service conductors supplying a building or other structure must not of another building or other…

A: From Article 230 of National Electric Code (NEC), the following information can be obtained:Service…

Q: the most commonly used wire installation in domestic use is by - * O Cable tray O trucking O…

Q: A copper transmission line is to be replaced by one of aluminum having the same total resistance. If…

A: Resistance is a measure of the opposition to current flow in an electrical circuit. Resistance is…

Q: a) Define 5 trees. b) Calculate Nullity and Rank.

A: A) the five trees are : e1, e2, e3, e5, e6

Q: Each of the 19 strands of copper cable has a diameter of 59 mils. Calculate the resistance of a mile…

A: According to the question we have to find the value of resistance of a mile of such cable at a…

Q: Electric metal tubing (EMT) provides protection from ____. Select one: A. INADVERTENT GROUNDING B.…

Q: The algebraic sum of voltages around any closed path in a network is equal to

A: From the given; The algebraic sum of voltages around any closed network is zero

Q: Most homes use solid copper wire having a diameter of l.63 mm to providė électri distribution to…

Q: Fill in the blank: Due to the electromegnatic isloation it is possible we can install the…

A: Solution : Electro magnetic isolation is also called as electro magnetic shielding.

Q: without pipes, draw a simple diagram of a circuit containing an exhaust fan with on lamp both load…

A: without pipes, to draw a simple diagram of a circuit containing an exhaust fan with on lamp both…

Q: The derated ampacity of (8) - 12 AWG THHN current carrying copper conductors in a raceway? A. 20…

A: The DERATED AMPACITY of (8) - 12 AWG THHN current carrying copper conductors in a raceway? A. 20…

Q: ANSWER: 2) For some cases, it is said that the ray bends away from the normal, is this statement…

A: The ray bends away from the normal Is this statement true?

Q: a. With the aid of a diagram, describe how socket outlets are wired in a ring main circuit. a radial…

A: RING CIRCUIT: The Line, neutral, and earth wire…

Q: From your understanding, what is the differnece between a grounding wire and a grounded wire? I…

A: The name grounding and grounded are very similar to each other, which arises confusion in…

Question

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 given that

VIEW

Step 2

VIEW

Step by step

Solved in 2 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

The span of the same level transmission line is 300 m. The diameter of the conductor is 15 mm. Wind pressure intensity over the projected area is 45 kg/m²? If the density of the conductor material is 8900 kg/dm, find the sag. Also calculate the vertical sag. The ultimate tensile stress of the conductor is 5000 kg/cm²? Assume a factor
1. A transmission line conductor is supported from two towers at heights of 70 m above water level. The horizontal distance between the towers is 300 m. If the tension in the conductors is 1500 kg, find the clearance at a point mid-way between the towers. The size of the conductor is 0·9 cm2 and density of conductor material is 8·9 gm/cm3.
The span of a transmission line is 150 meters. The area of the conductor is 0.7 sq. cm. is There is an ice layer of 1 cm radial thickness on the conductor. The ultimate tensile stress of the carrier material is 5000 kg/cm^2. The specific gravity of carrier and ice is 8.9 and 0.915 respectively. Calculate the sage assuming a factor of safety of 4.
The geometric mean radius of the conductor in a 380 kV, 120 km long transmission line 24mm. The roughness factor of the conductor is 0,98. Geometric mean length between phases of conductors 3,2 m. Air pressure across the line 725 mmHg, temperature 18 degrees Celcius and the conductor surface temperature is 85 degrees Celsius.According to this,a) Calculate the voltage at which ionization starts and the corona voltage.b) Find the corona loss for operating voltage with Peek formula.c) Calculate the total corona loss of the line with the Peek formula for a 15% increase in operating voltage.
an overhead transmission line at a river crossing is supported from 2 towers at heights of 60m above the water level, the horizontal distance between the towers being 400m. If the allowable horizontal tension is 336.2 kg and the conductor heights 0.5kg/m, find the clearance between the conductor and water at a point midway between the towers
A transmission line has a span of 180 m between level supports. The conductor has a cross-sectional area of 2 cm2. The tension in the conductor is 1980 kg. If the specific gravity of the conductor material is 9·9 gm/cm3, calculate the total weight and wind pressure if the sag on the conductor is 3.75m. The vertical sag on the conductor is 2.6m.
A transmission line is span 150 meters. The area of the conductor is 0.7 square cm Is there. 1 cm on the carrier Redial thickness is a snow layer. Alaimite Tensile Stress of the carrier's material is 5000 kg / cm ^ 2. The exclusive guru of the carrier and ice is 8.9 and 0.915 respectively. Calculate SEG of the Factor of Safety is 4
The towers of height 45 m and 80 m respectively support a transmission line conductor at water crossing. The horizontal distance between the towers if 500 m. The tension in the conductor is 1750 kg and the weight of the conductor is 1.65 kg/m. the bases of the towers are at the water level. Calculate: i. Sag at lower point ii. Sag at upper point iii. Clearance between lowest point of the conductor and water iv. Draw a suitable figure and mark the values of sag, clearance, span and height of the conductor
11/ The horizontal component of the tension in the conductor is constant throughout the length of the conductor. Select one: True False
A transmission line has a span of 150 m between level supports. The conductor has a cross-sectional area of 8 cm^2. The ultimate strength is 5000 kg/cm2. The specific gravity of the material is 8.9 gm/cm3. If the wind pressure is 1.5 kg/m length of the conductor, calculate the sag if factor of safety is 5.
3. A transmission line has a span of 150 m between level supports. The cross-sectional area of the conductor is 1·25 cm2 and weighs 100 kg per 100 m. The breaking stress is 4220 kg/cm2. Calculate the factor of safety if the sag of the line is 3·5 m. Assume a maximum wind pressure of 100 kg per sq. metre. [4]
The span of the same level transmission line is 300 meters. The diameter of the conductor is 15 mm. The wind pressure intensity on the projected area is 45 kg/m^2. If the density of the carrier material is 8900 kg/m3, find the sag. Also calculate the vertical sag. The ultimate tensile stress of the conductor is 5000 kg / cm^2. Assume a factor of safety of 2.5.