Transmission lines and electromagnetic waves video. Importance of the course modern power transmission is utilizing voltages between 345 kv and 1150 kv, a. Since chain drives are positive drives there is no slip, hence the velocity ratio will remain constant chain drives are suitable for small centre distances and can be used generally up to 3 meters but in special. Transmission lines and em waves nptel online videos. Distances of transmission and bulk powers handled have increased to such an extent that extra high. Electrical engineering high voltage dc transmission. The most commonly used chain for drives is the singlestrand standard series roller chain. Structural engineering of transmission lines provides practicing engineers with a comprehensive guide to the structural behaviour of transmission lines and the successful management of transmission line projects. Lecture notes mechanical engineering mit opencourseware. Power sys generation transmission distribution nptel online videos, courses iit video lectures. We tend to see lot of applications of the couplings mainly in the automobiles, for example the drive shaft which connects the engine and the rear axle in a bus or any automobile is connected by means of a universal.
Transmission line design information in these notes, i would like to provide you with some background information on ac transmission lines. Faculty of engineering at shoubra 2014 postgraduate ece601 active circuits. Couplings are mechanical elements that couples two drive elements which enables motion to be transferred from one element to another. Engineering books pdf download free engineering books. The transmission line parameters become frequency dependent and need the empirical formula to evaluate these parameters at such high frequency. Read online john d ryder transmission lines and waveguides john d ryder transmission lines and waveguides.
This energy will not travel through normal electrical wire without great losses. Electromagnetics transmission lines exam study material. Lecture 1 advantages of hvacdc transmission, introduction to grid management lecture 2 transmission system development, important components of transmission. Johnny cash ive been everywhere with lyrics johnny cash sings ive. Power sys generation transmission distribution nptel online. Gate ece transmission lines and wave guides exam material. Cross belt drive since power transmitted by a belt drive is due to the friction, belt drive is subjected to slip and creep. Characteristics and performance of transmission lines. Main elements of a transmission line due to the economic considerations, threephase threewire overhead system is widely used for electric power transmission.
Engineering mechanics pdf 1st year notes pdf download. Lect 16 standing em waves, reflection, transmission lines, rad. Stripline transmission lines microwave circuits that supports tem or quasitem modes are. This can be used for transmission of speed at low power. This course focuses on the different aspects of mechanical design of overhead lines. Search 48 transmission line engineer jobs now available on, the worlds largest job site. What is a signal and a system, classification of signals, properties ofsystems, noise, continuoustime and discretetime systems, basic system properties, basic system properties linear time. This video lecture, part of the series power system generation by prof. If you have watched this lecture and know what it is about, particularly what electrical engineering topics are discussed, please help us by commenting on this video with your suggested description and title. The students completing this course are expected to understand the concepts of forces and its resolution in different planes, resultant of force system, forces acting on a body, their free body diagrams using graphical methods. Foundation of any structure plays an important role in safety and satisfactory performance of the structure as it transmits mechanical loads of the electrical transmission system to earth. Hvdc transmission lines united states nptel mechanical.
Line engineering services full detail design of hvac lines up to 765kv and hvdc up to 800kv providing support to over 31 000 km of transmission lines 220kv,275kv,400kv, 533kvhvdc, 765kv 340 000 km of distribution lines 11kv, 22kv,66kv, 88kv,2kv, busy with designs for over 8 000km of new transmission lines to be. You can also get course completion certification for some of the courses. Nptel mechanical engineering videos video lectures, classes, courses, video clips, tutorials and video downloads from iits, mit, standford and other top educational institutions. The most commonly used conductor materials for over head lines are copper, aluminium, steelcored aluminium, galvanised steel and cadmium copper. Electric power systems a modern electric power system consists of six components in the 3 major groups. Mechanical design of overhead lines ced engineering. Transmission line conductors commonly used conductor materials. Two parallel wires coaxial cable microstrip line optical fiber waveguide very high frequencies, very low loss, expensive etc. Engineering notes and bput previous year questions for b. Transmission lines and wave guides vswr exam study. Introduction to transmission lines and waveguides a transmission line is a device designed to guide electrical energy from one point to another. Free download links are provided below to download b. Since most of the insulation is provided by air, overhead power lines are generally the lowestcost method of transmission for large quantities of electric power. Shouribrata chatterjee, department of electrical engineering, iit delhi.
But due to sag it requires more conductor material. Electromagnetics transmission lines exam study material for. Notes electrical power transmission and distribution e. Transmission lines and em waves nptel online videos, courses. Tech books and notes in pdf for all semesters 1st, 2nd, 3rd and 4th years. Tech in electronics and communication engineering paper1 s. Ehv ac transmission pdf notes ehv ac pdf notes smartzworld.
Gate preparation, nptel video lecture dvd, electronicsandcommunication engineering, electromagnetics, transmission lines, vector calculus elements, divergence. The choice of transmission system is made by keeping in mind various factors such as reliability, efficiency and economy. Coaxial cables, strip lines and microstrip lines hello everyone. Multiplestrand roller chains are used to provide increased power capacity without the need for increasing the chain pitch or its linear speed. Feb 22, 2017 mechanical design of overhead transmission lines transmission lines are designed primarily on the basis of economy point of view. Aug 03, 2016 transmission lines signal transmission and reflection. Most of these courses consists 40 videos and 1 hour duration each. An overhead power line is an electric power transmission line suspended by towers or poles. Structural engineering of transmission lines 9780727759887 by peter catchpole. In addition, the controllability of power flows in the power grid has added a new dimension to the use of hvdc links in the context of developing smart grids. Transmission line models pdf an alternative formulation of simple models of power transmission lines which may.
Where can i get a dvd or hard disk containing all the. Power sys generation transmission distribution nptel. Nptel electronics and communication engineering video lecture. Transmission lines and em waves nptel online videos, courses iit video lectures. Lecture notes on power system engineering ii subject code. Ac transmission line impedance parameters ac transmission is done through 3phase systems. Transmission lines and waveguides ebookpptpdf download. Nachiketa tiwari,department of mechanical engineering,iit kanpur. Chimney of electrical transmission tower cr4 discussion. Transmission lines a transmission line connects a generator to a load a two port network transmission lines include physical construction.
Mechanical design of overhead transmission lines transmission lines are designed primarily on the basis of economy point of view. This asks for the use of adequate mechanical safety factors in order to ensure the continuity of line operation. Eep electrical engineering portal is leading education provider in many fields of electrical engineering, specialized in high, medium and low voltage applications, power substations and energy generation, transmission and distribution. Department of electrical engineering indian institute of technology, bombay module 02 lecture 09 transmission lines i. Nov 30, 2010 nptel provides courseware in the form of video lectures and web courses. The previous answer is correct, but i would like to add more choices to access the video. Anil kumar department of mechanical and industrial engineering indian institute of technology roorkee lecture 31 undamped dynamic vibration absorber so welcome to the lecture on vibration absorber.
Eee ivii sem geethanjali college of engineering and technology 7. Download hvdc power transmission systems by k r padiyar the application of hvdc technology has received new impetus with the evacuation of large quantum of power from remote hydro and thermal stations. While the transmission is in gear, as engine speed increases torque is transferred from the engine to the input shaft by the motion of the fluid, propelling the vehicle. Engineers need an overview of the important aspects contemporary applications of transmission lines. A transmission structure without having a sound and safe foundation, it cannot perform the functions for which it has been designed. Mechanical engineering video lectures from nptel, iit, mit. Shevgaonkar department of electrical engineering iit bombay. Transmission line classification short line, medium line and long line equivalent circuits ferranti effect surge impedance, attenuation constant and phase constant voltage regulation and transmission efficiency real and reactive power flow in lines power circle diagrams.
The choice of a particular material will depend upon the cost, the required electrical and mechanical properties and the local conditions. Basic concept of transmission tower foundation electrical4u. When autoplay is enabled, a suggested video will automatically play next. Pdf hvdc power transmission systems by k r padiyar book. Gate preparation, nptel video lecture dvd, electronicsandcommunicationengineering, transmissionlinesandwaveguides, vswr, theory of transmission lines, transmission lines theory, infinite line, wavelength, velocity of propagation, propagation velocity, waveform distortion, distortion, loading, less line loading, methods of loading, loading methods, line not terminated in z0, z0 not. The main disadvantage of the belt drives and the rope drives is that the velocity ratio does not remain constant, but varies on account of slip. For keeping the cost minimum, sag also must be kept minimum but if sag is too low then wire gets subjected to an extra tension. Jul 02, 2014 lecture series on heat and mass transfer by prof.
In transmission line determination of voltage drop, transmission efficiency, line loss etc. So, the behavior of the fluid coupling strongly resembles that of a mechanical clutch driving a manual transmission. Today, we are going to talk about different types of transmission line. Transmission lines signal transmission and reflection. Nptel provides courseware in the form of video lectures and web courses.
Gaitonde, department of mechanical engineering, iit bombay. Let d 1 and d 2 be the diameters of driving and driven pulleys, respectively. Pdf ec6503 transmission lines and wave guides tlwg. Jul 18, 2019 in transmission line determination of voltage drop, transmission efficiency, line loss etc.
Moving away from this theory, the microstrip transmission line has successfully been used to transmit the thz wave. These values are affected by line parameter r, l and c of the transmission line. An introduction to electric power transmission presentation. Nptel provides elearning through online web and video courses various streams. A short transmission line is classified as a transmission line with. It is used, for example, to transfer the output rf energy of a transmitter to an antenna. Nptel video lectures, iit video lectures online, nptel youtube lectures, free video lectures, nptel online courses, youtube iit videos nptel courses. Department of mechanical engineering indian institute of technology kharagpur lecture 30. Towers for support of the lines are made of wood asgrown or laminated, steel either lattice. An introduction to electric power transmission table of content toc glossary about transmission lines electricity generation and delivery transmission line ownership and funding anatomy of a transmission line buildingmaintaining transmission lines planning the system permitting potential environmental impacts. Transmission lines and em waves usb media storage type. Kothari, does not currently have a detailed description and video lecture title. Tech 1st year, 2nd year, 3rd and final year notes and reference books in pdf format.
A chimney is part of the foundation for supporting transmission lines. Transmission lines video lecture by prof shouribrata. Transmission lines signal transmission and reflection youtube. Description of uniform lossless transmission lines and its distributed equivalent circuit. Eep electrical engineering portal energy and power for all. Gate preparation, nptel video lecture dvd, electronicsandcommunication engineering, transmission lines andwaveguides, theory of transmission lines, transmission lines theory, infinite line, wavelength, velocity of propagation, propagation velocity, waveform distortion, distortion, loading, less line loading, methods of loading, loading methods, line not terminated in z0, z0 not.
Engineering notes handwritten class notes old year exam. Ptec 500 fundamentals of overhead transmission line design. Transmission lines and waveguides ebookpptpdf download introductio n to transmissio n lines and waveguides a transmission line is a device designed to guide electrical energy from one point to another. Buck fife and a great selection of similar new, used and collectible books available now at great prices. Tech in cse, mechanical, electrical, electronics, civil available for free download in pdf format at, engineering class handwritten notes, exam notes, previous year questions, pdf free download. Notes for electrical power transmission and distribution eptd by dipak ranjan nayak lecture notes, notes, pdf free download, engineering notes, university notes, best pdf notes, semester, sem, year, for all, study material. Engineering books pdf, download free books related to engineering and many more. The power rating capacities of these chains cover a wide range of drive load requirements. Typically, the strength of the line needs to be such so it can withstand the worst probable weather conditions. Pls note there are other ways to access the nptel video lectures.
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