Write a brief report on the electrical power subject that was studied in the second course of the current academic yearExplaining the following:1- What are the things that should be clarified (angles, etc.) when drawing a circuit diagram for transmission lineselectrician? Is there a difference when the transmission line is short, medium or long?2- What are the matters that you should take into account as an engineer responsible for laying a ground cable connecting betweentwo blisters? Why are the calculations of capacitances in terrestrial cables different from their counterparts in the lines?outstanding?3- Where can you see or notice the things studied in the second course in your real life?

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Write a brief report on the electrical power subject that was studied in the Explaining the following: 1- What are the things that should be clarified (angles, electrician? Is there a difference when the transmission second course a circuit diagram for transmission lines of the current academic year etc.) when drawing line is short, medium or long?

Write a brief report on the electrical power subject that was studied in the Explaining the following: 1- What are the things that should be clarified (angles, electrician? Is there a difference when the transmission second course a circuit diagram for transmission lines of the current academic year etc.) when drawing line is short, medium or long?

EBK ELECTRICAL WIRING RESIDENTIAL

19th Edition

ISBN:9781337516549

Author:Simmons

Publisher:Simmons

Chapter4: Conductor Sizes And Types, Wiring Methods, Wire Connections, Voltage Drop, And Neutral Conductor Sizing For Services

Section: Chapter Questions

Problem 10R: What are the colors of the conductors in nonmetallic-sheathed cable for a. 2-wire cable?...

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Write a brief report on the electrical power subject that was studied in the second course of the current academic year Explaining the following: 1) What are the things that must be clarified (angles) and others) when drawing a circuit diagram of the features of electric transmission lines? Is there a difference when the transmission line is short, medium or long? 2) What are the things that you should take into account as an engineer responsible for laying a ground cable connecting two oil fields? Why are the calculations of capacitances in terrestrial cables different from their counterparts in the lines? outstanding?
An over head transmission line supported from two towers location at the same level. The distance between the towers is 200 m. The tension in the wires is 9000 N. The weight of one meter of the conductor is 10 N. The sag of the wires is * 2.55 m 1.55 m 4.55 m 5.55 m Non of them
a.Why does power plants have high amounts of voltages? Explain. b.Is it safe for transmission lines to have high current instead of high voltage? Why? c.What phenomenon is avoided by having separations between three conductor phases? Explain this phenomenon.
12. For a small line voltage drop, the resistance of line conductors should be a. a small percentage of the total circuit resistance. b. a large percentage of the total circuit resistance. c. equal to the load resistance. d. equal to the combination of load resistance and source resistance. e. equal to the source resistance. 13. When a permitted percentage of line voltage drop is specified in a problem, the value is calculated directly from the a. load voltage. b. source voltage. c. voltage across control components. d. voltage across components that make up the load resistance. e. wire tables.
What is need of using copper conductors instead of aluminum in underground transmission system?
Problem #1 • An overhead line has span of 260m. The tension in the line is 1200kg while the conductor weighs 650 kg per 100 meters. Calculate the maximum SAG in the conductor. If the height of the tower is 13 meters, estimate the clearance of conductor to the ground. Draw a figure and mark values of sag, clearance, span, height of conductor etc.
A dc two line distributor AB 600 metre long is fed at 440 V from substation A and at 430 V from substation B, the load are: 100 A at C (150 m from A), 200 A at D (150 m from C), 250 A at E (50 m from D), 300 A at F (100 m from E). If each line conductor has a resistance of 0.01 ohm per 100 m, calculate the current supplied from substation A and B and the voltage across each load.
What are the causes of voltage drop and line losses in a transmission line? Subject Power Transmission and Distribution
A- Define Impedence. Mention the difference between Impedence and Resistance ? B- A coaxial cable's shiled diameter is 0.4cm and the inner conductor has a diameter of 0.02cm. What is the characteristic impedance of that cable? C- What is meant by impedance matching? Why is impedance matching is needed?
Figures / Diagrams, equations and solving of problems should be written by hand. Take a picture of it and attach it inside the word file. a) High Voltages are preferred for Transmission of Electricity. Why? b) Why Generation Voltage Levels are low in the range of 11 kV/ 33 kV etc? c) Why ACSR Conductors are preferred over Copper Conductors? d) Overhead Transmission Lines are preferred for Transmission of Power for Long Distances, why? e) Alternating Current is preferred over Direct Current in Power System, Why? f) Write the Installed Generation Capacity of Sultanate of Oman with current energy share of Conventional and Non-Conventional Energy Sources. g) Why the Capacitance effect is neglected in Short Transmission Line. h) Distinguish between Lumped or Distributed elements in a Transmission Line.
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 !!!
12 - Due to the effect of the resistance of the cable connected to RTD, two-wire cables up to ……. meters and three-wire cables up to ……... meters are used in standard designs. A) 10-150B) 40-500C) 50-195D) 30-230E) 200-1000