Inverter not only adjusts the speed but also adjusts the voltage to the motor. The armature is an electromagnet made by coiling thin wire around two or more poles of a metal core. Brush dc motor summary the magnetic field intensity is proportional to the current forced into the motor leads. Best powerpoint templates download your favorites today. Commit any violation while operating a vehicle without the. Download icons in all formats or edit them for your designs. Ppt dc machine powerpoint presentation, free download id. Commit any violation while operating a vehicle without the permission of the owner.
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. Another name for a coil or loop of wire inductors oppose the change in current. Scribd is the worlds largest social reading and publishing site. Driver point system chart dmv dc department of motor vehicles. Explain how changing motor load affects efficiency. Operate a vehicle with any measurable amount of alcohol if the person is under 21 years old. Module 2 basic dc theory this module describes the basic concepts of direct current dc electrical circuits and discusses the associated terminology. Dc motor powerpoint template is editable and ppt template can be customized according to the need and also the above dc motor powerpoint template is very attractive and made according to the topic. Working or operating principle of dc motor electrical4u. Ppt dc motor powerpoint presentation free to download. Motor powerpoint templates w motorthemed backgrounds. Types of dc motors dc motor are of 3 types they are 1. This is part 1 in a 4 part series of web seminars related to controlling a brushed dc motor using a microcontroller. Ppt dc motors powerpoint presentation, free download id.
If you need a powerpoint viewer follow this link to the microsoft. It is probably the easiest to understand from a structural point of view. 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. Dc motors offer better speed variation and control and produce more torque than ac motors. In this type of dc motor the armature and field windings are connected in series. Principles of operation the construction of a simple bdc motor is shown in figure 1. You can find common popular electricity diagrams and slide designs with good backgrounds including daisy chain diagrams, cable connectors and electricity shapes for powerpoint. 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. This is a device that converts dc electrical energy to a mechanical energy. If so, share your ppt presentation slides online with.
Direct currents dc motors have been used in variable speed drives for a long time. The external device is stalling the motor in this case. I have an dc motor connected across a 12v supply, i got the rpm around 200 rpm. 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. Stator has field winding and is excited by dc current. Speed control of dc motor using pulse wi authorstream. Ppt dc motor powerpoint presentation free to download id. Displaying powerpoint presentation on brushless dc motors wiley available to view or download. Dc motor drives is the property of its rightful owner. Check out this animation back to the motor a simple motor has 6 parts.
Motor operation, construction, circuit a free powerpoint ppt presentation displayed as a flash slide show on id. 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. Ppt dc motor drives powerpoint presentation free to. Pdf speed control of dc motor using pwm method ppt. Subhajit bose03 shuvankar das02 binoy mourya09 sushobhan sarkar06 prosenjit debnath35 3. Download best professional slide design for a good price. Introduction elementary dc machine voltage and torque equations basic type dc machines dynamics characteristics of magnet. Its operation is based on the principle that when a current carrying conductor is placed in a.
Jun 04, 2017 inverter ppt pdf powerpoint presentation. The commutation logic control and the motor, both realized by sfunction programming, are masked as. This type of motor consists of a soft iron multitoothed rotor and a wound stator. Get free icons of ac dc in ios, material, windows and other design styles for web, mobile, and graphic design projects. Make a false affidavit or statement under any law relating to motor vehicles. The armature is placed in between north pole and south pole of a permanent or an electromagnet as shown in the diagram above. 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. Ppt dc motor free download as powerpoint presentation. The working of a dc motor is well explained in this video with the help of animation. Identify and utilize equations that represent motor performance to solve separately excited dc motor problems. Dc motors are made up of several parts, the most notable of which include bearings, shafts and a gearbox or gears. Dc motor principle a machine that converts dc power into mechanical energy is known as dc motor.
The speed of the ac induction motor is adjusted by the frequency variation of the ac power to the motor. Make a presentation on global concerns of sustainable mobility through free engine powerpoint themes. As soon as we supply direct current in the armature, a mechanical force acts on it due to the electromagnetic effect. The versatile characteristics of dc motors can provide high starting torques which is required for traction drives. An inverter is nothing but a motor control which is used in adjusting the speed of an ac induction 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. Basic dc motor systems can be represented by this electromechanical schematic. Rotor windings are excited through commutator and brush. General motors powerpoint templates w general motors. The rotor and stator windings are connected in parallel. The aim of the paper is determining of suitable way of dc motor friction modeling. Draw a circuit model of a separately excited dc motor.
Ppt dc motors powerpoint presentation free to view. What is common to all the members of this family is that the basic. To understand the operating principle of dc motor we need to first look into its single loop constructional feature. Sep 22, 2014 the working of a dc motor is well explained in this video with the help of animation. 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. Download free electricity powerpoint templates and slide designs with creative diagrams for electricians and professionals. Dc motor friction identification is by means of experimental method done using newtons mechanics. Rotates a number of degrees with each electric pulse. 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. In order to perform this operation we used pulse width modulation technique which works on duty cycle method.
If you need a powerpoint viewer follow this link to the microsoft download site. Speed control of dc motor by using pwm technique project. This type of stepper motor has been around for a long time. Induced voltage opposes applied voltage and limits current. Write a power balance for a separately excited motor and compute its efficiency. Dc shunt motor armature the parallel combination of two windings is connected across a. 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. The free tesla motors powerpoint template has a black background with a red sidebar that make it look very professional.
Brushed dc bdc motors are inexpensive, easy to drive, and are readily available in all sizes and shapes. When the stator windings are energized with dc current the. The very basic construction of a dc motor contains a current carrying armature, connected to the supply end through commutator segments and brushes. View and download powerpoint presentations on on dc motor ppt. These academic free ppt themes are related to various engineering disciplines, such as mechanical engineering and automotive engineering. Motor property 1 torque is proportional to current question. A power point guide to the simple dc motor, designed for igcse physics. Dc motors the stator is the stationary outside part of a motor. An introduction to electric motors stmicroelectronics. Main objective of this project is to develop micro controller based application through which we can control speed of dc motor. Find powerpoint presentations and slides using the power of, find free presentations research about on dc motor ppt. 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.
Dc motors, generators and energy conversion devices. 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. The free images are pixel perfect to fit your design and available in both png and vector. Download free engine powerpoint themes for microsoft powerpoint 20 pc. Winding resistance 1ohm how can i find the torque of the motor and the input power without using an external device. Just be a successful presenter by using powerpoint template for your dc. The energy used by a dc motor comes from batteries or another generated power source that offers constant voltage. Brushed dc motor fundamentals microchip technology.
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