Induction motor powerpoint presentation free to view id. Embedded systems march 20, 20 powerpoint ppt presentation free to view. This paper investigates the development of a simplified speed control of induction motor based on indirect field oriented control foc. By controlling the output ac frequency, it is possible to drive the motor at different speed based on the requirements. The speed of induction motor is changed from both stator and rotor side. Speed control of a three phase alternating current induction motor. Set the timing and speed of a transition office support. Induction motor seminar ppt, pdf report study mafia. Apr 23, 20 mac os x carbon support seminar ppt download. Main objective of this project is to develop micro controller based application through which we can control speed of dc motor.
As induction motors are widely being used, their speed control may be required in many applications. Speed control of dc motor by programmable logic control with. Induction motor is now called the racehorse of the industry 1. Top 7 mistakes newbies make going solar avoid these for effective power harvesting from the sun duration. Out of the various methods of controlling induction motors, vf control has proven. The speed of a threephase induction motor driving a given load is determined by matching the torque speed characteristics of the motor and load, as shown in fig. It is an ac motor in which current is induced in the rotor winding by the magnetic field of the stator winding, by e.
Variable frequency drive or vfd is the way that enables controlling of the speed of induction motor by applying varying frequency of ac supply voltage. Synchronous reluctance machine synrm in variable speed. Speed control of induction motor using cycloconverter. Speed control of induction motor by variable frequency control variable frequency control is a method which is used to control the speed of an induction motor.
Ppt single phase induction powerpoint presentation free. In the project work undertaken, gsm technology based automatic control system is designed to monitor and control speed of an induction motordc motor and also performs necessary op eration like start, stop, reverse the rotation ext. Speed control of 3 phase induction motor free download as powerpoint presentation. Allows you to control all your windows settings in one place, letting.
Speed control kit for induction motors jaycar electronics. This thesis presents the need of speed control in induction motors. Pdf speed sensorless control of induction motor using model. Synrm and induction machine im, a new operating diagram of the synrm, different. The speed of a pair of slipring motors can be controlled by a cascade connection, or concatenation.
Supply voltage is controlled for stator input using autotransformers. The speed of a threephase induction motor driving a given load is determined by matching the torquespeed characteristics of the motor and load, as shown in fig. The different methods of speed control of im can be broadly classified into scalar and vector control methods. Speed control of single phase ac induction motor possible. Ppt presentation on speed control of induction motor. High performance speed sensorless control of threephase. In this paper, speed control of induction motor using cycloconverter is presented. Speed control of induction motor 7 ways to control.
Variable speed drive of single phase induction motor using frequency control method variable speed drive of single phase induction motor using frequency control method presented by jason wright ecgr 6185, adv. A 3 phase induction motor can be used for different applications with various speed and load requirements. Control the effect, duration, or sound used for a slide transition, and the time to spend on a slide before advancing to the next. The central constructivist of this paper is to accrue the performance of speed sensorless control of three phase induction motor. There are more than one methods to control the speed of induction motor, you can choose one depending on your resources, efficiency required etc. Com3lab courses are well suited for both classroom presentation, selfdirected home study. Speed control of a three phase alternating current induction motor using space. In addition, electronics can reduce the systems average power consumption and noise generation of the motor. Speed control of induction motor by variable frequency control. A three phase induction motor is basically a constant speed motor so its somewhat difficult to control its speed. Synchronous speed means the speed of the rotating magnetic field in the stator. We know that t he speed of the induction motor is given by, from the above equation, the speed of the motor can be controlled by changing supply frequency and by changing number of poles in the stator. A free powerpoint ppt presentation displayed as a flash slide show on id. May, 20 top 7 mistakes newbies make going solar avoid these for effective power harvesting from the sun duration.
Know basics of 3 phase ac induction motor and its control. The project pwm fed speed control of induction motor using pc is implemented successfully by using 16f877a pic microcontroller. Control of induction motor drive using artificial neural. From the equation 1 it is clear that the motor speed can be changed by a change in frequency f, a number of poles p, and slip s. Therefore the efficiency of three phase induction motor is reduced by this method of speed control. Ppt presentation on speed control of induction motor nilesh. It is hard to learn anything valueable from that page. Ppt single phase induction powerpoint presentation. Sometimes theyre talking about induction motors, other times not, and they dont specify which is which, or even which induction motor type they are talking about. The role of cycloconverter in speed control of induction motor is to vary the supply frequency which in turn, changes the speed of motor. These are also called as asynchronous motors, because an induction motor always runs at a speed lower than synchronous speed. These strategies are known as extinction angle control eac, modified phase angle control mpac, and symmetrical angle control sac. Speed estimation is an issue of particular interest with induction motor drives where the mechanical speed of the rotor is generally different from the speed of the revolving magnetic field.
Acknowledgement this completion of project on speed control of single phase induction motor using ac chopper by asymmetrical. How to control the speed of an induction motor quora. If youve a newer mac, iphone or ipad you might find the programs are. The operating point is the intersection of the two characteristics and we can fix for a.
Various induction motor speed control methods advantages. The adobe flash plugin is needed to view this content. Full form kit includes case, doublesided silkscreened pcb, heatsink, cooling fan, hardware and electronics including parts from revised article in august 20. The rotor speed of an induction motor is given by the equation shown below. Jun 30, 2014 advanced semi conductor technology and uses of microcontroller have made the speed control of induction motor easier. Also the implementation of a hardware and software for speed control and protection with the result obtained from the test on induction motor performance is provided and this idea presents a design and implementation of a monitoring and control system for the three phase induction motor based on programmable logic controller plc. Speed control of a three phase induction motor using pwm. An induction motor can be defined as the ac electric motor device in which a power source fed by the alternating current with the help of a primary winding. Some of the advantages like low cost, rugged design less complexity and easy to maintain of ac motors results many of the industrial operations are performed with use of ac drives than dc drives. Ac induction motor is a special type of electric motor having its own typical characteristics and performance in terms of starting, speed control, protections, and so on.
Induction motor theory jerry bednarczyk, pe course content introduction the ac induction motor is well suited to applications requiring constant speed operation. To increase its performance, this paper presents a modified method for speed controller of an indirect vectorcontrolled induction motor drive using. Direct torque control method is one of the best control strategies which allow a torque control in steady state and transient operation of induction motor. In general, the induction motor is cheaper and easier to maintain compared to other alternatives. By controlling the frequency of stator emf, speed can be controlled. In order to perform this operation we used pulse width modulation technique which. An introduction there are various methods for the speed control of an induction motor. Induction motors are the most commonly used motors in many applications. Ppt induction motor powerpoint presentation free to download id.
It is based on freescales 56f800e microcontrollers. If you want to control induction motor speed, save yourself a lot of grief and get a 3phase motor. Speed control of dc motor by using pwm technique project ppt. In this paper vector control for speed control of threephase squirrel cage induction motor has been developed and analyzed. An843, speed control of 3phase induction motor using. In this post let us see what are the various methods to control the speed of induction motor. Speed control of induction motor using vector control. In the present work, the simulation of speed control of motor at different. Direct torque control method made the motor more accurate. The main aim of direct torque control strategies is to effectively control the torque and flux of induction motor. Speed sensorless control of induction motor using model reference adaptive system. In this system, the speed of induction motor can be adjusted to.
Ppt induction motors powerpoint presentation free to. How do we control the speed of a single phase induction motor. Yet you can furnish your machine with equivalents to most of its. Speed control of induction motor using pi and pid controller. A case study the simulation results of a vector control system with induction motor based.
Control system design the pid controller is designed to control motor speed based on incoming information of system and auto tuning and its parameters have been tuned for receiving best stability and overshoot and settling time. The main purpose of controlling the speed of three phase induction motor is to save unwanted energy. The operating point is the intersection of the two characteristics and we can fix for a given load and motor parameters. A variable frequency drive vfd is used to control the speed of motor with the primary voltage control method. Control of induction motors by using programmable logic. Direct torque control for doubly fed induction machine based. It certainly leads to the best performance and high efficiency of the induction motor. The synchronous speed and therefore, the speed of the motor can be controlled by varying the supply frequency.
Free download induction motor seminar ppt, pdf report. Direct torque control for doubly fed induction machine. Different speed control methods of induction motor are explained below. Generally, it is known as the asynchronous motor because its running speed is less than its synchronous speed.
These techniques depend on varying the stator ac voltage to control the speed of threephase induction motor. Variable frequency drive for induction motor elprocus. Speed control of an induction motor there is a various method of speed control of an induction motor. Induction motors are widely used ac motors in industrial area. It is an ac motor in which current is induced in the rotor winding by the magnetic field of the stator winding, by electromagnetic induction.
By using pwm strategies, in the reference 45 inverter is used to drive the speed of induction motor, ac choppers are used in the reference67 for the speed control of induction motor. Speed control of a three phase induction motor using. The threephase ac induction motor is a rotating electric machine that is designed to operate on three phase supply. An introduction to an evaluation of the different control strategies in. A three phase induction motor is mostly a constant speed motor so its fairly not easy to control its speed. Where, e 2 is the rotor emf n s is the synchronous speed r 2 is the rotor resistance x 2 is the rotor inductive reactance. When 0 delay is given we will gate speed 31 rpm and when 45 delay is given we will gate speed 1259 rpm that means we can vary the voltage. Motorcad is the worldleading dedicated electric motor design software package for the multiphysics simulation of electrical machines across the full torquespeed range. From the equations of park of the machin e we draw the. In order to perform this operation we used pulse width modulation technique which works on duty cycle method. The principle of operation of this motor is based on the. The speed control of three phase induction motor from stator side are further classified as. Speed control of three phase induction motor ppt play ppt.
Control of induction motor drive using artificial neural network. Pdf speed control of induction motor using foc method. Speed control of induction motor by using cycloconverter. Induction motor is a device which converts electrical energy into mechanical energy. Speed control of induction motor using triac 38 conclusion after simulation it is clear that we can change or vary the speed of induction motor by varying gate firing angle. The induction motor is made up of the stator, or stationary windings, and the rotor. Speed control of induction motor 7 ways to control induction. Introduction this application note describes the design of a 3phase ac induction motor drive with volts per hertz control in closedloop vhz cl.
From the equations of park of the machine we draw the. The speed control of induction motor is done at the price of reduce in efficiency and low power factor. The ntrol software is the control centre at the heart of. Speed control of dc motor by using pwm technique project. Scalar control is the term used to describe a simpler form of motor control, using nonvectorcontrolled drive schemes. Speed control of three phase induction motor electrical4u. This paper contains the description about the design, construction and implementation of the speed control circuit for induction motor. This 3 phase motor is also called as an asynchronous motor. Presentation software, its the equivalent of microsoft. Ppt induction motor powerpoint presentation free to. In this system, the speed of induction motor can be adjusted to user defined speed.
Developed in 1998, motorcad is used by major motor manufacturers and universities worldwide. Induction motors introduction threephase induction motors are the most common and frequently encountered machines in industry simple design, rugged, lowprice, easy. The proposed paper presents variable speed control application of induction motor using vf method. Speed control of single phase induction motor using ac. Before discussing the methods to control the speed of three phase induction motor one should know the necessary formulas of speed. Advanced semi conductor technology and uses of microcontroller have made the speed control of induction motor easier. Induction motor control is complex due to its nonlinear. Dec 17, 2019 when the speed control of three phase induction motor is done by adding resistance in rotor circuit, some part of power called, the slip power is lost as i 2 r losses. In the reference 3 different types of pwm strategies have been used for speed control of induction motor drive. Abstract induction motor im control is a difficult and complex engineering problem due to multivariable, highly nonlinear, timevarying dynamics and unavailability of measurements. The synchronous speed of an induction motor is given by the relation shown below.
537 270 1589 1133 250 610 1557 20 128 1044 1522 990 1355 865 1622 1395 172 1422 271 225 98 1234 657 954 153 1118 1420 934 54 33 80 843