Equations of voltage and current on tx line youtube. 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. As soon as current flow and voltage exist in a transmission line, another property becomes quite evident. If you are not able to download lectures due to bandwidth constraints, you can obtain the courses in dvds by paying a nominal fee to cover the cost of storage media and distribution. Designers guide to stripline circuits supplement b. Power sys generation transmission distribution nptel. Electrical engineering engineering electromagnetics 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. Also, the amount of attenuation is extremely small, since this is due to ro. Extra high voltage ac transmission pdf notes ehv ac pdf. Enable power transmission at varied angles and varied lengths. Introduction to em waves and various techniques of. Transmission lines and em waves nptel online videos. Kothari gives 35 video lectures on power system generation, transmission and distribution.
Provide a varied leverage between the engine and the drive wheels provide means to transfer power in opposite direction. 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. Line coding for digital communication stanford university. Lecture notes electromagnetic fields, forces, and motion. 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. The voltage and the current exist in the form of waves on a transmission line. Distribution line a line that carries electricity at lower voltages of 12kv to 44kv and is used to distribute power. Transmission lines and electromagnetic waves cosmolearning. Nptel gate courses for electronics and communication engineering. Shevgaonkar, department of electrical engineering, iit, bombay nptel, gives 42 video lectures on the concepts of transmission lines and electromagnetic waves. Mar 31, 2015 thus, the transmission coefficient given by 9. Dominance of the reactive component over resistive component. Freevideolectures aim to help millions of students across the world acquire knowledge, gain good grades, get jobs.
An introduction to electric power transmission presentation. Where can i get a dvd or hard disk containing all the. Characteristics and performance of transmission lines. Experimental setup for transmission line measurements. Transmission lines and em waves nptel video lectures. Hvdc transmission lines siemens hvdc transmission pdf 1 2. Transmission lines a transmission line connects a generator to a load a two port network transmission lines include physical construction. Electronics transmission lines and em waves youtube. Dispersionless transmission lines because lo and co do not depend on frequency for a superconductor, the phase velocity is independent of frequency. Comparison with normal transmission line september 25, 2003. Dec 31, 2007 lecture series on transmission lines and e. Introduction and modeling of transmission line lecture 1. How to download all of the lectures in pdf for a course in. Nptel provides elearning through online web and video courses various streams.
Shevgaonkar, dept of electrical engineering, iit bombay for more details on nptel visit. Electric energy systems, hydroelectric power generation, renewable energy, energy storage, deregulation, air pollutants, voltage regulation, underground cables, hvdc, newton raphson nr, and many more. Pls note there are other ways to access the nptel video lectures. A transmission line consists of two or more parallel conductors used to connect a source to a load. Sendingend port a a b b transmission line generator. Connections between nearby logic gates have bandwidth greater than switching speed, so no line coding is needed. Provide means of connection and disconnection of engine with rest of power train without shock and smoothly. In the first half of these lectures, we will derive the differential equations which describe the propagation of a wave along a transmission line. Transmission lines fiberoptic guides waveguides waveguiding structures 2. Nptel video lectures, iit video lectures online, nptel youtube lectures, free video lectures, nptel online courses. Transmission lines and electromagnetic waves video. Transit time effect on a transmission line at high frequencies. Historical sketch, the constitution of ehv ac and dc links, limitations, and advantages of ac and dc transmission.
Search by nptel course id, course name, lecture title, coordinator. A wave guiding structure is one that carries a signal or power from one point to another. You will find all pdfs and also as mp3 file for all video lectures which are in nptel. 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. Power sys generation transmission distribution nptel online. Conditions for radiation so, it is the current distribution on the antennas that produce the radiation. The previous answer is correct, but i would like to add more choices to access the video. The transmission line is a twoport circuit used to connect a generator or transmitter signal to a receiving load over a distance.
Transmission line effects transmission line effects watch digital integrated circuits electrical engineering course from iit madras video lectures by prof. Shevgaonkar department of electrical engineering iit bombay. Nptel syllabus transmission lines and em waves video course 1. Transmission line parameter an electric transmission line has four parameters, namely resistance, inductance, capacitance and shunt conductance. Transmission line 2 conductors 4 perunitlength parameters. General aspects of dc transmission and comparison of it with ac transmission. Electronics and communication engineering video lectures.
Each line element has its own value, and it is not possible to concentrate or lumped them at discrete points on the line. Two parallel wires coaxial cable microstrip line optical fiber waveguide very high frequencies, very low loss, expensive etc. 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. Usually these current distributions are excited by transmission lines and waveguides fig. 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. This course deals with the principles of electromagnetics at high frequencies. Nptel gate courses for electronics and communication. In the second half of these lectures we will look at the behaviour of waves in free space.
An antenna is the structure associated with the region of transition from a guided wave to a free space wave, radiating rf energy. Lecture 12 characteristics and performance of transmission. If we consider an infinite lossless transmission line, we can determine the inductance l and capacitance c per unit length from geometric field considerations. Excellent course helped me understand topic that i couldnt while attendinfg my college. Shevgaonkar, department of electrical engineering, iit bombay. Transmission lines and em waves free video lectures. Also, what is the magnitude of the average reflected power if vo1. Nptel video lectures, iit video lectures online, nptel youtube lectures. A transmission line is the device used to guide radio frequency rf energy from one point to another for example a coaxial cable. Nptel material is available for free on nptel website. Transmission lines and em waves online course video lectures. These four parameters are uniformly distributed along the whole line. Due to this, there is a general consideration that the use of microstrip transmission line at thz frequency is impractical.
Plscadd lake buena vista, florida computerized transmission n handson training a specialized course focusing on computeraided design december 37. Enable speed reduction between engine and the drive wheels in. Multilayer microstrip lines in general, the microstrip line is used to conduct the electromagnetic wave at low frequency. High voltage dc transmission video lectures, iit kanpur online course. 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. Long strings of 1s or 0s can cause loss of synchronization. Lecture notes on power system engineering ii vssut.
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. Notes electrical power transmission and distribution e. Lecture 31 reflection and refraction at media interface. Beyond 60 ghz, its application is restricted due to the losses in the line. So that a pulse will propagate down a superconducting transmission line without dispersing. Transmission line has two conductors running parallel. Shouribrata chatterjee, department of electrical engineering, iit delhi. Electromagnetic theory and transmission lines pdf notes. Jul 23, 2018 20 jul 201612 mar 2015 30 mar 2015 nptel provides elearning through online web and video courses various streams.
Direct current dc electric current flows continuously in the same direction as contrasted with alternating current. Oct 11, 2018 prebook pen drive and g drive at teacademy. High voltage dc transmission video lectures, iit kanpur. Elen 3371 electromagnetics fall 2008 78 pulse propagation let us consider the joining of two transmission lines having different dimensions. Lecture 09 em transmission lines linkedin slideshare.