Main objective of this project is to develop micro controller based application through which we can control speed of dc motor. Make a presentation on global concerns of sustainable mobility through free engine powerpoint themes. Brushed dc motor fundamentals microchip technology. Just as the rotor reaches alignment, the brushes move across the commutator contacts and energize the next winding the brushes of a dc motor have several limitations. Get free icons of ac dc in ios, material, windows and other design styles for web, mobile, and graphic design projects. Jul 11, 2019 the dc motor is of vital importance for the industry today and is equally important for engineers to look into the working principle of dc motor in details that we have discussed in this article. Speed control of dc motor using pulse width modulation submitted by shakti mohan patnaik063261 abinash padhi063273 ritesh kumar lenka063262. Displaying powerpoint presentation on brushless dc motors wiley available to view or download. Ppt dc motors powerpoint presentation free to view. Ppt dc motor powerpoint presentation free to download id. What is common to all the members of this family is that the basic.
In order to perform this operation we used pulse width modulation technique which works on duty cycle method. 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. Dc motors are made up of several parts, the most notable of which include bearings, shafts and a gearbox or gears. A power point guide to the simple dc motor, designed for igcse physics. Working or operating principle of dc motor electrical4u.
The rotor and stator windings are connected in parallel. Another name for a coil or loop of wire inductors oppose the change in current. The aim of the paper is determining of suitable way of dc motor friction modeling. Pdf speed control of dc motor using pwm method ppt vinod. This is a device that converts dc electrical energy to a mechanical energy. Brush dc motor summary the magnetic field intensity is proportional to the current forced into the motor leads.
Identify and utilize equations that represent motor performance to solve separately excited dc motor problems. The armature is an electromagnet made by coiling thin wire around two or more poles of a metal core. View and download powerpoint presentations on on dc motor ppt. Basic dc motor systems can be represented by this electromechanical schematic. The versatile characteristics of dc motors can provide high starting torques which is required for traction drives. Ppt dc motors powerpoint presentation, free download id. Find powerpoint presentations and slides using the power of, find free presentations research about on dc motor ppt. Commit any violation while operating a vehicle without the permission of the owner. The speed of the ac induction motor is adjusted by the frequency variation of the ac power to the motor. 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.
Dc motors although ac motors are used in most of the cases, dc motors have many applications and used for multipurpose applications. It is probably the easiest to understand from a structural point of view. Motor powerpoint templates w motorthemed backgrounds. Dc shunt motor armature the parallel combination of two windings is connected across a. Driver point system chart dmv dc department of motor vehicles. I have an dc motor connected across a 12v supply, i got the rpm around 200 rpm. An introduction to electric motors stmicroelectronics. This application note will discuss how a bdc motor works, how to drive a bdc motor, and how a drive circuit can be interfaced to a pic microcontroller. Jun 04, 2017 inverter ppt pdf powerpoint presentation. Ppt dc machine powerpoint presentation, free download id.
Check out this animation back to the motor a simple motor has 6 parts. Driver point system chart dmv dc department of motor. General motors powerpoint templates w general motors. Download free electricity powerpoint templates and slide designs with creative diagrams for electricians and professionals. The template is suitable for presentations about this american automotive company and its electric cars, battery products, history of development, car models, design, technology, facilities, partners, controversies, financial performance, etc. Scribd is the worlds largest social reading and publishing site. Speed control of dc motor using pulse width modulation submitted by shakti mohan patnaik063261 abinash padhi063273 ritesh kumar lenka063262 eie, 7th sem under guidance of mr. The magnetic field rotation is automatically obtained commutating the active coil through mechanical switches brushes. This is part 1 in a 4 part series of web seminars related to controlling a brushed dc motor using a microcontroller. Dc motor friction identification is by means of experimental method done using newtons mechanics. Write a power balance for a separately excited motor and compute its efficiency. The commutation logic control and the motor, both realized by sfunction programming, are masked as. To understand the operating principle of dc motor we need to first look into its single loop constructional feature.
Ppt dc motor powerpoint presentation free to download. Winding resistance 1ohm how can i find the torque of the motor and the input power without using an external device. Dc motor principle a machine that converts dc power into mechanical energy is known as dc motor. Synchronous motors just as a dc generator can be used as a dc motor, so ac generators or alternators can be used as synchronous ac motors three phase motors use three sets of stator coils the rotating magnetic field drags the rotor around with it single phase motors require some starting mechanism torque is only.
If so, share your ppt presentation slides online with. The external device is stalling the motor in this case. The working of a dc motor is well explained in this video with the help of animation. Just be a successful presenter by using powerpoint template for your dc. Dc motors offer better speed variation and control and produce more torque than ac motors. This type of motor consists of a soft iron multitoothed rotor and a wound stator.
This powerpoint template is compatible on all versions of microsoft office. These academic free ppt themes are related to various engineering disciplines, such as mechanical engineering and automotive engineering. Download free engine powerpoint themes for microsoft powerpoint 20 pc. Download best professional slide design for a good price. Sep 22, 2014 the working of a dc motor is well explained in this video with the help of animation.
Dc motors 1 dc motors the construction of a dc motor is essentially the same as the construction of a dc generator. Make a false affidavit or statement under any law relating to motor vehicles. Draw a circuit model of a separately excited dc motor. Introduction elementary dc machine voltage and torque equations basic type dc machines dynamics characteristics of magnet. Dc motors the stator is the stationary outside part of a motor. Ppt dc motor drives powerpoint presentation free to. Commit a felony crime involving the use of a motor vehicle. When the stator windings are energized with dc current the. Motor operation, construction, circuit a free powerpoint ppt presentation displayed as a flash slide show on id. Module 2 basic dc theory this module describes the basic concepts of direct current dc electrical circuits and discusses the associated terminology. Explain how changing motor load affects efficiency. Speed control of dc motor by using pwm technique project. The very basic construction of a dc motor contains a current carrying armature, connected to the supply end through commutator segments and brushes.
Dc motors, generators and energy conversion devices. Stator has field winding and is excited by dc current. Dc motor drives is the property of its rightful owner. Principles of operation the construction of a simple bdc motor is shown in figure 1. At first the basic static friction models are introduced and linear mathematical model of dc motor is established. This type of stepper motor has been around for a long time.
Brushed dc bdc motors are inexpensive, easy to drive, and are readily available in all sizes and shapes. Commit any violation while operating a vehicle without the. Types of dc motors dc motor are of 3 types they are 1. Speed control of dc motor using pulse wi authorstream. The free tesla motors powerpoint template has a black background with a red sidebar that make it look very professional. As soon as we supply direct current in the armature, a mechanical force acts on it due to the electromagnetic effect. Induced voltage opposes applied voltage and limits current. Armature or rotor commutator brushes axle field magnet dc power supply armature, commutator and brushes the armature takes the place of the nail in an electric motor. If you need a powerpoint viewer follow this link to the microsoft. The energy used by a dc motor comes from batteries or another generated power source that offers constant voltage. An inverter is nothing but a motor control which is used in adjusting the speed of an ac induction motor.
Best powerpoint templates download your favorites today. Pdf speed control of dc motor using pwm method ppt. Its operation is based on the principle that when a current carrying conductor is placed in a. The high adoption rate of electric vehicles arising from rising oil dependency issues, global warming, and environmental pollution is also likely to boost demand for the product. Volume 2 of 4 module 3 dc circuits this module introduces the rules associated with the reactive components of inductance and capacitance and how they affect dc circuits. Inverter not only adjusts the speed but also adjusts the voltage to the motor. Rotates a number of degrees with each electric pulse. In this type of dc motor the armature and field windings are connected in series. The free images are pixel perfect to fit your design and available in both png and vector. Download icons in all formats or edit them for your designs. Ppt dc motor free download as powerpoint presentation. This dc or direct current motor works on the principal, when a current carrying conductor is placed in a magnetic field, it experiences a torque and has a tendency to move.
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