Distribution line a line that carries electricity at lower voltages of 12kv to 44kv and is used to distribute power. An important practical use of waveguides is for the transmission of highfrequency power, as, for example, in coupling the highfrequency oscillator or output amplifier of a radar set to an antenna. Equations of voltage and current on tx line youtube. If we consider an infinite lossless transmission line, we can determine the inductance l and capacitance c per unit length from geometric field considerations. Also, what is the magnitude of the average reflected power if vo1. Electric energy systems, hydroelectric power generation, renewable energy, energy storage, deregulation, air pollutants, voltage regulation, underground cables, hvdc, newton raphson nr, and many more. Historical sketch, the constitution of ehv ac and dc links, limitations, and advantages of ac and dc transmission. Introduction and modeling of transmission line lecture 1.
In fact, the antenna itself usually consists of a parabolic reflector fed at its focus by a waveguide flared out at the end to make a horn. Two parallel wires coaxial cable microstrip line optical fiber waveguide very high frequencies, very low loss, expensive etc. Design of transmission lines, structures, and foundations a comprehensive study of transmission design principles october 1519, 2012 madison, wisconsin february 25march 1, 20 line design. A transmission line is the device used to guide radio frequency rf energy from one point to another for example a coaxial cable. Due to this, there is a general consideration that the use of microstrip transmission line at thz frequency is impractical. Sendingend port a a b b transmission line generator. The three physical embodiments that are of interest are the twowire transmission line, the coaxial transmission and the microstrip transmission line a simple parallelplate approximation. Transit time effect on a transmission line at high frequencies. Beyond 60 ghz, its application is restricted due to the losses in the line. Transmission line 2 conductors 4 perunitlength parameters.
Excellent course helped me understand topic that i couldnt while attendinfg my college. 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. Provide a varied leverage between the engine and the drive wheels provide means to transfer power in opposite direction. Electrical engineering engineering electromagnetics nptel. Transmission line has two conductors running parallel.
Freevideolectures aim to help millions of students across the world acquire knowledge, gain good grades, get jobs. Shevgaonkar, department of electrical engineering, iit bombay. Dec 31, 2007 lecture series on transmission lines and e. How to download all of the lectures in pdf for a course in. Jul 23, 2018 20 jul 201612 mar 2015 30 mar 2015 nptel provides elearning through online web and video courses various streams. Transmission lines and em waves nptel video lectures. Transmission lines and em waves free video lectures. These four parameters are uniformly distributed along the whole line. The previous answer is correct, but i would like to add more choices to access the video. Shevgaonkar department of electrical engineering iit bombay.
Transmission lines and em waves nptel online videos. Introduction to em waves and various techniques of. An introduction to electric power transmission presentation. Nptel syllabus transmission lines and em waves video course 1. Lecture notes on power system engineering ii vssut. Where can i get a dvd or hard disk containing all the.
Transmission line parameter an electric transmission line has four parameters, namely resistance, inductance, capacitance and shunt conductance. Dominance of the reactive component over resistive component. Oct 11, 2018 prebook pen drive and g drive at teacademy. Usually these current distributions are excited by transmission lines and waveguides fig. Nptel gate courses for electronics and communication. Power sys generation transmission distribution nptel online. You will find all pdfs and also as mp3 file for all video lectures which are in nptel. Transmission lines different types of transmission line structures transmission line equations power flow in transmission lines appendix ece 303 fall 2006 farhan rana cornell university guided waves. Multilayer microstrip lines in general, the microstrip line is used to conduct the electromagnetic wave at low frequency. Lecture 12 characteristics and performance of transmission. Each line element has its own value, and it is not possible to concentrate or lumped them at discrete points on the line. Transmission lines and em waves online course video lectures.
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. Electronics transmission lines and em waves youtube. Transmission lines and electromagnetic waves video. Transmission lines a transmission line connects a generator to a load a two port network transmission lines include physical construction. High voltage dc transmission video lectures, iit kanpur. Hvdc transmission pdf hvdc transmission system hvdc transmission lines siemens hvdc transmission pdf 1 2 related searches for hvdc transmission nptel nptel electrical engineering high voltage dc.
Transmission lines fiberoptic guides waveguides waveguiding structures 2. Transmission lines and electromagnetic waves cosmolearning. Shevgaonkar, dept of electrical engineering, iit bombay for more details on nptel visit. This course deals with the principles of electromagnetics at high frequencies. Kothari gives 35 video lectures on power system generation, transmission and distribution. Analysis of short, medium and long lines, equivalentcircuit, representation of the lines and calculation of transmission parameters, power flow through transmission line, power circle diagram, series and shunt compensation. General aspects of dc transmission and comparison of it with ac transmission.
Characteristics and performance of transmission lines. In the first half of these lectures, we will derive the differential equations which describe the propagation of a wave along a transmission line. Search by nptel course id, course name, lecture title, coordinator. Pls note there are other ways to access the nptel video lectures.
Dispersionless transmission lines because lo and co do not depend on frequency for a superconductor, the phase velocity is independent of frequency. So that a pulse will propagate down a superconducting transmission line without dispersing. Mar 31, 2015 thus, the transmission coefficient given by 9. Long strings of 1s or 0s can cause loss of synchronization. Nptel provides elearning through online web and video courses various streams. Designers guide to stripline circuits supplement b. Conditions for radiation so, it is the current distribution on the antennas that produce the radiation. Electromagnetic theory and transmission lines pdf notes.
Line coding for digital communication stanford university. In the second half of these lectures we will look at the behaviour of waves in free space. Transmission line effects transmission line effects watch digital integrated circuits electrical engineering course from iit madras video lectures by prof. Provide means of connection and disconnection of engine with rest of power train without shock and smoothly. Shouribrata chatterjee, department of electrical engineering, iit delhi. A wave guiding structure is one that carries a signal or power from one point to another. Direct current dc electric current flows continuously in the same direction as contrasted with alternating current. Lecture 09 em transmission lines linkedin slideshare.
Nptel gate courses for electronics and communication engineering. Nptel video lectures, iit video lectures online, nptel youtube lectures. An antenna is the structure associated with the region of transition from a guided wave to a free space wave, radiating rf energy. A transmission line consists of two or more parallel conductors used to connect a source to a load. Lecture 31 reflection and refraction at media interface. Notes electrical power transmission and distribution e. As soon as current flow and voltage exist in a transmission line, another property becomes quite evident. Nptel video lectures, iit video lectures online, nptel youtube lectures, free video lectures, nptel online courses. Electronics and communication engineering video lectures. Enable power transmission at varied angles and varied lengths. You can find them according to your branch and subject in the below link national mission on education through ict this was initiated by iit madras.
Experimental setup for transmission line measurements. Comparison with normal transmission line september 25, 2003. Power sys generation transmission distribution nptel. Also, the amount of attenuation is extremely small, since this is due to ro. Elen 3371 electromagnetics fall 2008 78 pulse propagation let us consider the joining of two transmission lines having different dimensions. The transmission line is a twoport circuit used to connect a generator or transmitter signal to a receiving load over a distance. Connections between nearby logic gates have bandwidth greater than switching speed, so no line coding is needed. Extra high voltage ac transmission pdf notes ehv ac pdf. High voltage dc transmission video lectures, iit kanpur online course. Enable speed reduction between engine and the drive wheels in. Hvdc transmission lines siemens hvdc transmission pdf 1 2. The voltage and the current exist in the form of waves on a transmission line.
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