Modules may be used by teachers, while students may use the whole package for self instruction or for reference. Lecture 05 dc motors free download as powerpoint presentation. Download nptel handwritten notes of transformer download nptel handwritten notes of power. We will have a lab exercise for you on dc motor speed measurement. Then you will learn a detailed methodology for researching design requirements for dc motors, and how to use these requirements to pick the right motor for your needs. Electrical machines i online course video lectures by.
A dc motor is a mechanism that transforms electrical energy to mechanical energy. Nptel provides elearning through online web and video courses various. Nptel video lectures, iit video lectures online, nptel youtube lectures, free video lectures, nptel online courses, youtube iit videos nptel courses. Advantages of 3 phase induction motor generally easy to build and cheaper than corresponding dc or synchronous motors induction motor is robust. Industrial drives power electronics electrical engineering. Video lecture types of dc motor of chapter dc machine of subject basic. Dc motor, generators and energy conversion devices lecture. The threephase induction motor is the extensively used for various kinds of industrial drives. Its operation is based on the principle that when a current carrying conductor is placed in a. Dc motor, generators and energy conversion devices lecture notes.
Directcurrent motors are used in electric vehicle, and for applications where variable speed is required. At the end of the lecture, student should be able to. Nptel online videos, courses iit video lectures well organized. This video is either unavailable or not supported in this browser. Video lecture on working principle of a dc motor of chapter dc machine of subject basic electrical engineering for firstyear engineering students. Control tutorials for matlab and simulink motor speed.
Mod01 lec40 lecture 40characteristics of compound dc series motors freevideolectures aim to help millions of students across the world acquire knowledge, gain good grades, get jobs. Course notes electric machines electrical engineering. This video lecture, part of the series industrial drives. Passive components, sources, krichoffs law, modeling of circuit, analysis using matlab, transfer function and pole zero domain, phasor analysis, the practical transformer, phasor analysis, transformer basics, dc machines, dc generators, dc motors, three phase system, induction motor and synchronous machine. Other members of the family are the directcurrent dc motor or generator, the induction motor or generator, and a number of derivatives of all these three. Report a problem or upload files if you have found a problem with this lecture or would like to send us extra material, articles, exercises, etc. L umanand department of power electronics group, cedt iisc bangalore. The rotor and stator windings are connected in parallel. Introduction in this lecture we consider various forms of rotating electrical machines these. Dc motor principle a machine that converts dc power into mechanical energy is known as dc motor. Fall 2005 ee595s electric drive systems 2 overview of strategies voltsperhertz control constant slip control fieldoriented control. Lecture series on basic electrical technology by prof. An introduction, tak kenjo practical building robot drive trains, d clark and m owingsd.
A 6v motor isnt happy to be powered by a 9v battery. We will have another video analysis for you, this time featuring teardown of a paper shredder. Dc motors i tutorial of basic electrical technology course by prof l. This is an introductory lab designed to introduce you to the oscilloscope and matlab. Loganathan umanand, does not currently have a detailed description and video lecture title. Enter, wait for the web page to change, it will lead you straight forward to vdy website for the specific video you intended to download. What is common to all the members of this family is that the basic physical process involved in their operation is the conversion. Simulink modeling page we generated two different dc motor models in simulink. The model is created by assembling a physical network of simscape components, including electrical resistors, shaft inertias, and friction.
Module 6 dc motors this module describes the types of dc motors and includes discussions of speed control, applications, and load characteristics. Magnetic circuits quantities and definitions, solving magnetic circuits with electrical analogies, mechanics for motors and generators, electromagnetic induction and magnetic forces, construction of elementary dc generators, induced voltage in practical dc. These inexpensive motors are extremely noisy and inefficient. Waveforms that can drive a stepper motor quick start for beginners to drive a stepper motor, rev. Digital communication notes pdf dc lecture notes 4. Types of dc motor dc machines basic electrical engineering. Kuphaldt this book is published under the terms and conditions of the design science license.
Ac induction motors are also the most common motors used in main powered home appliances. You will measure the angular velocity of your homebuilt motor and characterize a dc motor by measuring its motor constant. Module 5 dc generators this module describes the types of dc generators and their application in terms of voltage production and load characteristics. An application would be a variablespeed motor operating an auger to meter highprotein supplement into a cattle. This video lecture, part of the series basic electrical technology by prof. Motor control suppose we wish to use a microprocessor to control a motor or to control the load attached to the motor. Et 332a dc motor, generators and energy conversion devices.
Ti rslk module 12 lecture video part i dc motors physics video loginregister. Electric motors rss technical lecture 2 friday, 10 feb 2012 prof. Our free video lectures cover everything from basic electronics to semiconductor technology. Term may also refer to the winding that is on the rotor. Dc motors although ac motors are used in most of the cases, dc motors have many applications and used for multipurpose applications. Dc machines 1 dc machines transformsmechanicalenergyintoelectric energywithdc voltage and current dc generatoror dynamo, or conversely dc motor. Physclips provides multimedia education in introductory physics mechanics at different levels.
Tirslk module 12 lecture video part i dc motors physics ti. The course notes are intended to serve as the primary references for this course, and were developed over the years during which the course has been offered. In fact, ac and dc motor designs are very similar to their. The rotor and stator are each connected from a different power supply, this gives another degree of freedom for controlling the motor over the shunt. The simulation results are evaluated in the simscape results explorer. Learning objectives identify and define the components of a two pole permanent magnetic dc motor stator, armature, commutator and brushes. Dc shunt motor armature the parallel combination of two windings is connected across a common dc power. Electrical engineering video lectures from nptel, iit, mit.
This video shows the characteristics of a dc motor. Lecture 05 dc motors electric motor power engineering. A 12v motor runs too slowly when powered by a 9v supply. Course home syllabus calendar readings lecture notes lab videos assignments download course materials. Information and entropy, conditional entropy and redundancy, shannon fano coding, mutual information, information loss due to noise, source codings huffman code, variable length coding, source coding to increase average lnfomtation per bit. Basic electrical technology basic electrical technology. Electric motors and generators introduction a simple ac generator a simple dc generator dc generators or dynamos ac generators or alternators dc motors ac motors universal motors electrical machines a summary chapter 23 introduction. The notes are organized in chapters, though the chapters may not correspond precisely with the order of the material as discussed in lecture. Tirslk module 12 lecture video part i dc motors physics video. Lec5 motor control lanka education and research network. Click the videos address in the bar at the top of your browsers window, then add the word vd before the youtube part in the address and then press. 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. Use sensor for feedback desired speed actual speed test computation motor encoder measurement. Download ekeeda application and take advantage of this offer.
We will now employ these models within simulink to simulate the system response and design different approaches to control. Whether youre a beginner or an advanced learner looking for refresher courses, youll find them in our informative video series. Electrical engineering video lectures tutorials lecture 16 power ports lecture 24 dc machines part 2 lecture 15 power factor lecture 25 dc generators lecture 22 the practical transformer part 3 lecture 18 transformer basic part 2 lecture 27 dc motors lecture 26 dc generators 2 lecture 37 induction motor 2 lecture 20 the. Unit 16 electric motors washington state university. An2974, quick start for beginners to drive a stepper motor. Gopakumar, does not currently have a detailed description and video lecture title. While dc motors require the use of brushes to make electrical contact with moving coils of wire, ac motors do not. Your browser does not currently recognize any of the video formats available.
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