Speed Control Of Induction Motor Using Plc Ppt

By using these electromagnets operating principle is depends on the Fleming's left hand rule to determine the direction of the force acting on the armature conductors of the DC motor. 5Hz and the supply frequency is 50Hz. changed to the required speed. As shown in Fig. Simulation is carried out in MATLAB/SIMULINK environment and results are compared for speed control of induction motor. 4 Equivalent Circuit 63 3. They are used in large pumps in water industry. 8A, and 1450 rpm. Speed Control of Induction Motor Using PLC and Drives Speed Control of Stirrer Motor in a Bio Fertilizer Plant 24-pulse Converter for Converting AC to DC Supply. Figure 3 shows a Thevenin's equivalent of the stator. Figure 1 Ferrari's induction motor (1885) Figure 1. AC induction motors are the most common motors used in industrial motion control systems, as well as in main powered home appliances. What's special about the wound-rotor motor? This type of 3-phase induction motor has high starting torque, which makes it ideal for applications where standard NEMA design motors fall short. It certainly leads to the best performance and high efficiency of the induction motor. Figure 2 showed the equivalent circuit for the stator. By changing frequency u can control the speed of induction motor, as frequency increase speed also increase. ppt), PDF File (. On the input side, voltage doublers are used and on the output side an H-bridge, or 2-phase inverter, is used as shown in Figure 2. Any Induction Motor has main two parts: a Stator and a Rotor. kept constant throughout the speed range. Calculate the slip. Before discussing the methods to control the speed of three phase induction motor one should know the basic formulas of speed and torque of three phase induction. The three phase induction motor has following advantages : Low cost, Low maintenance, Simple construction, Reliability and high efficiency. Keywords— Induction Motor, PLC, SCADA, VFD, PWM I. Uno, Mega 2560, etc. Hi, I am new here. Another advantage of using the three-phase control method is that the same drive-hardware topology can be used to control a three-phase induction motor. The project "PWM fed speed control of Induction Motor using PC" is implemented successfully by using 16F877A PIC Microcontroller. Speed Control of Induction Motor Project. AC speed control motors. Masood Nazir, "Design of PLC based speed control of DC motor using PI controller," International Journal of Scientific and Technical Advancements, Volume 4 , Issue 1, pp. Case-1: Under No-Load Reference speed = 100 rad/s Fig. What's special about the wound-rotor motor? This type of 3-phase induction motor has high starting torque, which makes it ideal for applications where standard NEMA design motors fall short. The system also involves the use of a speed control system which can adjust the speed to desired value. Induction motors are widely used Electrical Motors due to their reliability, low cost and robustness. Applications of Induction Motors. Keywords: PLC, SCADA, Automation, Induction Motor, Speed Control I. 27 it can be observed that the maximum torque is independent of rotor resistance. In our robotics applications we may have to control the speed of the DC Motor. Speed control of dc motor by using PWM technique project ppt is covers out line about this project. Line- Voltage Control The torque developed varies with the square of the applied voltage. Pole changing 2. Thus, PLC proves themselves as a very versatile and effective tool in industrial. In many applications Single phase induction motor is in very wide use in. For this purpose it is assumed that the mechanical time constant of the motor. To make the idea abstract. A common PLC application is the speed control of AC motors with variable speed (VS) drives. Another advantage of using the three-phase control method is that the same drive-hardware topology can be used to control a three-phase induction motor. Any Induction Motor has main two parts: a Stator and a Rotor. Speed control at the rotor side -We can change the speed at the rotor by,By adding some external resistance in the rotor circuitby cascade connection of the motor. Such a fine speed control is generally not possible with ac motors. of EEE, BIT, Mesra, Ranchi, Jharkhand, India Abstract As the subject of the paper, the speed control of induction motor fed by a three phase voltage source inverter has been done using PWM. On the other hand, the U. PALPANKAR, 2SANRAJ HARLE, 3TUSHAR KARADE, 4SURAJ LEKURWALE 1,2,3,4DBACER Nagpur Abstract-The main objective of this project is to control the speed of Induction Motor at lower cost and efficient performance. In this paper, speed control of induction motor using cyclo-converter is presented. Abstract: A theoretical background for the induction motor input current variation due to variation in speed is presented and the theoretical result is compared with the experimental observations, when the motor speed is varied by variation of input voltage. Speed control of three phase induction motor can be varied by varying the slip ‘S’ or number of poles ‘p’ or frequency ‘f’ of the supply. In this project we are going to start and control the speed of 3-phase slip ring induction motor. • This slip must be present, even when operating in a field-oriented control regime. Obviously at these speeds, precise control is required in order to reduce vibration and motor heating. I already posted about Interfacing DC Motor with PIC Microcontroller. construction of rotor part the 3-phase induction motors are divided into two types:- 1) 3-ph Squirrel cage induction motor. 5Hz and the supply frequency is 50Hz. 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. Dawada6 1,2,3,4,5,6Department of Electronics & Communication Engineering. The main methods employed for speed control of induction motors are as follows: 1. Where, f = frequency and P is the number of poles The speed of induction motor is given by, Where, N is the speed of the rotor of an induction motor, N s is the synchronous speed, S is the slip. By using these electromagnets operating principle is depends on the Fleming's left hand rule to determine the direction of the force acting on the armature conductors of the DC motor. Slip is also expressed as a dimensionless ratio calculated as:. 2 lb - Cable Resistance of 0. Presented here is a robust system for switching on/off, varying the speed and direction of rotation of an industrial 3 Phase Induction Motor using VFD and PLC. I have an idea. For the induction machine drive application, full utilization of the dc bus. The structure of the control system has the form shown in the figure below. Relay ( R ). The entire control system is switched by using PLC. View and Download PowerPoint Presentations on Three Phase Induction Motor PPT. This method has become popular with the development and decrease in cost. A Variable Frequency Drive (VFD) is used to control the speed of motor with the primary voltage control method. Optimization of the parameters of membership functions is done in MATLAB. Speed of a DC shunt motor can be varied very easily with good efficiency, but in case of Induction motors, speed reduction is accompanied by a corresponding loss of efficiency and poor power factor. 1), and normally closed overload relay contacts (part of the motor starter) are connected to the third input (I0. 2 Rotor 60 3. Here we will discuss about the speed control of wound rotor induction motor using variation of rotor resistance. These strategies are known as extinction angle control (EAC), modified phase angle control (MPAC), and symmetrical angle control (SAC). Speed control at the rotor side -We can change the speed at the rotor by,By adding some external resistance in the rotor circuitby cascade connection of the motor. Objective: The aim of this project is to limit the starting current and increase the starting torque and to control the speed of a three phase slip ring induction motor by rotor resistance control method using Programmable Logic Control. Slip energy. In this chapter, the mathematical model of induction motor based on space vector theory and the principle of indirect FOC are presented. This paper contains the description about the design, construction and implementation of the speed control circuit for induction motor. Supply frequency 5. Rotor resistance 4. We can simplify our calculations by replacing it with a Thevenin's equivalent so that we do not have parallel branches in the equivalent circuit. The DC motor is an attractive part of electrical equipment. 9 A Frequency 50Hz Speed 1440 RPM Stator resistance Rs 6. In this way, the slip power of main motor is fed to the auxiliary induction motor at a frequency of f 2 = s 1 f 1. In this video I describe about the speed control of inductuon motor by using different methods like, 1. The simulation of sensorless speed control of Induction Motor is done by using MATLAB®/SIMULINK. By using these electromagnets operating principle is depends on the Fleming's left hand rule to determine the direction of the force acting on the armature conductors of the DC motor. Rotor side Control of High Power Slip Ring Induction Motor using a Single Thyristor www. The voltage signal a is low when the speed detected value to the speed. The response of the controller to load variations is looked at. Ns= motor speed, f=frequency, p= number of poles. Single Phase AC Motor Speed Controller project will explain you what exactly is needed to make control a real world device using our well known 8051 microcontroller. In this instance, it is the Kramer method for controlling the speed of a wound-rotor induction motor. The wound-rotor motor is particularly effective in applications where using a squirrel-cage motor may result in a starting current that's. This necessitates a speed control mechanism that is efficient and is also safe to use. Specifically, at high speeds and loads, the efficiency of PLC-controlled system is increased up to 10-12% as compared to the configuration of the induction motor supplied from a standard network. 64 RPM or 2. However, the slip at which the maximum torque occurs changes with rotor resistance. It certainly leads to the best performance and high efficiency of the induction motor. Selvabharathi , 2V. A closed-loop control system for constant speed operation, configured with speed feedback. Scalar control of induction motor. IC 555 is the popular Timer Chip used to make timer circuits. 3 Different Speed Control Methods 66. pdf), Text File (. The future scope will be controlling the speed of three phase induction motor likewise that of the single phase induction motor using android application. In the present work, the Simulation of speed control of motor at different frequencies by using Cycloconverter is simulated and waveforms are discussed. The direct torque control of induction machine is based on the use of two hysteresis controllers[8]. This method is common for squirrel- cage motors. ATO single phase input & output variable frequency drives (VFDs) are available now, it's specialized designed for single phase induction motor, widely applied to control speed of the single phase motors, such as fans, pumps, power tools, etc. In the following example, a normally open Start pushbutton is wired to the first input (I0. So speed control of this motor is an important agenda. Before starting to explain how an induction (asynchronous) generator works, I assume that you know the working principle of an induction motor. speed control of synchronous motor drives ppt Determination of the Losses in Induction Machines Due to Harmonics PDF. If the emf in the rotor of an 8 poles Induction Motor has a frequency of 1. Although a far greater percentage of electric motors in service are ac motors, the dc motor is of considerable industrial importance. 1 Motor parameters Parameters Value Power 0. This motor control application can also be accomplished with a PLC. Control schemes for speed control of three phase induction Motor The different control schemes of induction motor drives are including scalar control, vector or field oriented control, direct torque control, and adaptive control etc. Scalar control involves controlling the magnitude of voltage or frequency of the induction motor. Voltage-speed characteristic. scheme for speed control of three phase induction motor not only improve the power factor but also provide the flexible and simple starting of machine as explained earlier the interface transformer is replaced by step up chopper. 2) 3-ph Slip-ring or wound-rotor type induction motor. reason for using them in several traction. Then for the main motor, synchronous speed is 120f 1 /P 1. Rotor side Control of High Power Slip Ring Induction Motor using a Single Thyristor www. So electronic soft starters use a control system to reduce the torque by temporarily reducing the voltage or current input until the induction motor reaches its synchronous speed. And if any harmful condition arises motor is turned off automatically. Hi, I am new here. 1 (315 ratings) Course Ratings are calculated from individual students' ratings and a variety of other signals, like age of rating and reliability, to ensure that they reflect course quality fairly and accurately. These strategies are known as extinction angle control (EAC), modified phase angle control (MPAC), and symmetrical angle control (SAC). Calculate the slip. The torque created by three phase induction motor is given by, T= (3/2PI NS) X (SE2R2/R2+ (SX2)) The Speed of Induction Motor is changed from both Stator and Rotor Side. The efficiency of PLC control is increased at high speeds up to 95% of the synchronous speed. Single Phase AC Motor Speed Controller project will explain you what exactly is needed to make control a real world device using our well known 8051 microcontroller. SIMULATION DIAGRAM This is the simulation diagram for Induction motor. The speed control of induction motor is achieved from the various tests performed and its protection is done by its software and hardware implementation. The speed control using PI and PID control modes is explained and an implementation of the controller using OP-AMPs is given. speed of control an 3-phase Induction motors by vector control methods with the help of Simulation results of the proposed system are obtained using MATLAB/Simulink software and how it helps in various applications such as electric Traction, automotive industries and more other places. As a result of using VFD, large amount of energy is saved by reducing sudden jerks at the start of the motor. Supply voltage 3. Wound rotor induction motor is also used in fans, blowers and mixers. 2 pu using Fuzzy Logic Controller 54. Presented here is a robust system for switching on/off, varying the speed and direction of rotation of an industrial 3 Phase Induction Motor using VFD and PLC. The 208V 3PH. Free Download Induction Motor Seminar PPT, PDF Report: 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. I already posted about Interfacing DC Motor with PIC Microcontroller. To control the. 8A, and 1450 rpm. Find this and other hardware projects on Hackster. Three phase induction motors are very popular in industrial, appliances and heavy industry applications. This necessitates a speed control mechanism that is efficient and is also safe to use. Kamatchi K annan , technique is used to control the speed of induction motor to control the turn on and turn off time of the semiconductor switching devices. So i was thinking: control the voltage using igbt (with digital pin and optocoupler)/triac read the rpm via hall effect sensor. View of PLC used 2. Also the knowledge about fault mode behavior of an induction motor drive system is extremely important from the standpoint of improved system design, protection, and fault tolerant control. Speed Control of 3 Phase Induction Motor - Free download as Powerpoint Presentation (. 3 Working principle of three phase induction motor 62 3. Asynchronous motors are the most widely used electrical motors due to their reliability, low cost, ruggedness and robustness. These motors can be driven off a phase-control scheme down to 30% of motor speed before running out of torque. 2 Variable frequency control Synchronous speed is directly proportinal to frequency,similar ti induction motors constant flux operation below base speed is achiecved by operating the synchronous motor with constant (V / f) ratio. I need the specifications of the components to be used and the circuit diagram. ppt), PDF File (. And if any harmful condition arises motor is turned off automatically. Obviously at these speeds, precise control is required in order to reduce vibration and motor heating. 36 RPM would therefore have a slip frequency of 140. Speed Torque Characteristics of Induction Motor - From Eq. Figures 3 and 4 show the input and output membership functions. Not too clear on your answer as I have a few (shaded pole) induction motors running on the Triac based controllers, also some PSC (< 1/2hp) motors will run on it also if used in a fan type applications etc, evidently there are a couple of suppliers that claim VFD control of 1ph induction motors, but personally would rather use the 1ph in, 3ph. We can change the speed at the stator by, changing the supply frequency, changing the supply voltage and changing the number of stator poles. scalar control and vector control. This circuit provides variable speed control of a DC motor with rotation in a single direction. To make a more accurate closed loop control of motor speed we will use a tachometer (revolution-counter, tach, rev-counter, RPM gauge) to measure the speed and feed it back to the PLC, which. The synchronous motor either run at synchronous speed (or) it will not run. in home automation application convenience remotely controlling the speed of the. Speed Control of 3 Phase Induction Motor - Free download as Powerpoint Presentation (. The inverter first converts the input AC power to DC power and again creates AC power from the converted DC power using PWM control. Induction motors are widely used Electrical Motors due to their reliability, low cost and robustness. View and Download PowerPoint Presentations on Three Phase Induction Motor PPT. The obtained efficiency by using PLC control is increased as compared to the open-loop configuration of the induction motor fed by an inverter. The efficiency of PLC control is increased at high speeds up to 95% of the synchronous speed. Speed control of induction motor is possible in two sides. The synchronous speed and therefore, the speed of the motor can be controlled by varying the supply frequency. Therefore, changing the frequency f can regulate the speed of induction motor smoothly. Various automation processes in the industry need control of AC induction motors using AC drives. TABLE 1: Field resistance & torque calculations. It certainly leads to the best performance and high efficiency of the induction motor. The entire control system is switched by using PLC. Nearly 80% of the world's AC motors are poly phase induction motors. I have an idea. Speed control of induction motor using v/f. automatic control, is the use of various control. loop V/F control induction motor. Selvabharathi , 2V. Slip energy. The AC squirrel cage induction motor is essentially a constant speed device. AC motors are constant speed devices but their speed can vary if you change the input voltage or frequency or the windings that make the motor rotate. A common PLC application is the speed control of AC motors with variable speed (VS) drives. Abstract:-This paper present the speed control of single phase Induction motor using Arduino with the controlling objectives PWM and SPWM. Induction Motor ( IM ). Dawada6 1,2,3,4,5,6Department of Electronics & Communication Engineering. Pole changing 2. The software example uses. Methods of Speed Control of Induction Motor. 3 Different Speed Control Methods 66. Line- Voltage Control The torque developed varies with the square of the applied voltage. The synchronous speed of an induction motor is given by the relation shown below. 2 Circuit Diagram III. Single Phase Induction Motor Speed Control - This project is designed to control the speed of a single-phase induction motor by using operating knob, which is commonly used in home automation applications. 1 Stator 60 3. The structure of the control system has the form shown in the figure below. Design of PLC and SCADA Based Control Panel for Continuous Monitoring of 3-Phase Induction Motor: In this, an efficient and versatile tool for controlling the induction motor is proposed which control and monitors the speed with high accuracy. The motor is mounted in a test rig that allows one to control the torque applied to the motor shaft and to measure both rpm and torque. Download the project document. The inverter outputs a pulsed voltage, and the pulses are smoothed by the motor coil so that a sine wave current flows to the motor to control the. Series Variable Speed DC Motor Controller 12V uses a 555 timer IC as a PWM pulse generator to regulate the motor speed DC12 Volt. Rotor resistance 4. Induction motors are widely used Electrical Motors due to their reliability, low cost and robustness. PORAJE, and Prof. Already has done this project using Relay circuit and Microcontroller. Figure 1 Ferrari's induction motor (1885) Figure 1. Voltage-speed characteristic. Hi, I am new here. The simulation of sensorless speed control of Induction Motor is done by using MATLAB®/SIMULINK. In this scenario, the microcontroller should be reprogrammed to output sine voltages with 120-degree phase shift to each other, which drives a three-phase induction motor. The block uses the three-phase input voltages to regulate the individual phase currents, allowing control of the motor torque or speed. 2 THREE PHASE INDUCTION MOTOR The 3 phase induction motor is very popularly used as they are rugged, have low price and easy to maintain. Induction motors have been traditionally used as constant speed motors supplied by the AC power source. The main objective of this paper is to design a controller for control of an Induction motor. 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. induction motor system driven by inverter and controlled by PLC prove a higher accuracy in speed regulation as compared to a conventional V/f control system. A portion of rotating magnetic field in a three-phase induction motor. 2 Rotor 60 3. To make the idea abstract. The ability of varying any one of the above three quantities will provide methods of speed control of an induction The speed motor = Synchronous speed, in revolutions per minute, f = AC power. Motor control algorithms regulate speed, torque, and other performance characteristics, often for precision positioning. Speed Control of 3 Phase Induction Motor - Free download as Powerpoint Presentation (. scheme for speed control of three phase induction motor not only improve the power factor but also provide the flexible and simple starting of machine as explained earlier the interface transformer is replaced by step up chopper. At first, the PI controller is investigated for speed control of Induction Motor, and then fuzzy logic controller performance is simulated. induction can be achieved using VF control. 2 pu using Fuzzy Logic Controller 54. [2] “Programmable Logic Controller” – Book by Hugh Jack [3] Mahesh Kumar K M and B Ramachandra , “Speed Control of Three Phase Induction Motor Using PLC under Open and Closed Loop Condition”, (IJERA) Int. MATLAB Simulation for Speed Control of Three Phase Induction Motor Drive using V/FControl Sweta Singh#1 #Research Scholar, Dept. Induction Motor […]. AC Motor clutches also help prevent large current spikes. In this article, a speed controller for DC motor is designed and illustrated using fuzzy logic-based programmable logic controller (PLC). It consists of stator and rotor. Keywords: speed control, asymmetrical PWM, induction motor,V/F, stator flux ripples, torque ripples 1. “PLC BASED SPEED CONTROL OF INDUCTION MOTOR”. SARODE, SANDEEP G. Then for the main motor, synchronous speed is 120f 1 /P 1. Ns =120*f/p-slip. This method is common for squirrel- cage motors. The three main design aspects like low power consumption, improved power factor and cost reduction are to be achieved in order to meet these challenges. Application Circuit to control the speed of Single Phase Induction Motor The approach is relatively easy as far as the power circuit and control circuit are concerned. We can change the speed at the stator by, changing the supply frequency, changing the supply voltage and changing the number of stator poles. Selvabharathi , 2V. In this paper, we have proposed v/f control of induction motor using artificial neural network, the network is trained using back propagation algorithm and Levenberg-Marquardt learning is used faster computation. Hence we will use this method to change the speed of Induction Motor. Download Project Document/Synopsis Induction motors have been used widely in different fields ranging from domestic appliances to industrial machinery. It consists of stator and rotor. In this scenario, the microcontroller should be reprogrammed to output sine voltages with 120-degree phase shift to each other, which drives a three-phase induction motor. Pole changing 2. Induction Motors - Induction Motors | PowerPoint PPT presentation | free to view. The power factor drops to very low values at lower loads. Equation 1 relates the synchronous speed (S) to the incoming line frequency (F) and number of poles (P) the machine is constructed of: [S = 120(F) ÷ P]. In this video I describe about the speed control of inductuon motor by using different methods like, 1. KSHIRSAGAR, ANKUSH A. Induction Motor performance is checked through the simulation studies in MATLAB/SIMULINK environment. In Optional Motor data display, according to the motor's datasheet, I will enter: - Motor rated magnetizing current or short circuit current as 148. I googled a lot for it but all in vain. A VFD drive controls the motor speed. under induction motor load have been introduced. Example 1 of AN191 - Motor Control Software Examples provides simple example code for a DC motor using the C8051F300 MCU. The VFD can be controlled remotely by using PLC/DCS systems. Then for the main motor, synchronous speed is 120f 1 /P 1. Bajaj Institute of Technology & Management, Gr. In this chapter, the mathematical model of induction motor based on space vector theory and the principle of indirect FOC are presented. Speed control by varying Supply voltage: The speed of induction motor can be varied by changing supply voltage. Single Phase Induction Motor Speed Control - This project is designed to control the speed of a single-phase induction motor by using operating knob, which is commonly used in home automation applications. The control panel is designed to control the speed and protection of 3 phase IM and required control is done by PLC (Programmable Logic Controller). Pole changing 2. power source and thus contained two phase concentrated coil windings 1-1' and 2-2' on the ferromagnetic stator core. Tuning PI Regulators for Three-Phase Induction Motor Space Vector Modulation Direct Torque Control Using Complex Transfer Function Concept 5 IM complex transfer function, v1dq is considered as the input and the i1dq is considered as the output. PLC Application For Speed Control of AC Motors With VSD (on photo: Three 30HP pumps using corresponding variable frequency drives with bypass contactors. A four pole motor with an actual speed of 1659. ppt), PDF File (. construction of rotor part the 3-phase induction motors are divided into two types:- 1) 3-ph Squirrel cage induction motor. Speed control of Induction Motor using Inverter (VFD) & PLC- by Asiful. Find this and other hardware projects on Hackster. " Slip frequency is calculated by subtracting the actual operating speed of the motor from the synchronous speed. The speed can also be controlled automatically using temperature sensor LM 35. The results for different cases are given below. 25*746= 186. These techniques depend on varying the stator ac voltage to control the speed of three-phase induction motor. Rotor Resistance Control of an Induction Motor Rotor Resistance Control is also one of the methods by which we can control the speed of the Induction motor. Induction Motor speed control. 3 Phase Motor Control using PLC Ladder Logic S Bharadwaj Reddy May 18, 2018 April 11, 2019 3 Phase Motor Control using PLC This is PLC Program for Forward and Reverse control for 3 Phase Asynchronous Motor. One common motor control system is the Schrage motor, where the speed is altered by adjusting the brush positions for each phase. 3 Working principle of three phase induction motor 62 3. TABLE 1: Field resistance & torque calculations. 4 Equivalent Circuit 63 3. COMPONENT OF SPEED CONTROL OF IM BY PLC  Miniature Circuit Breaker ( MCB ). This paper presents a modified fuzzy control for speed control of induction motor (IM). Where does the power go? Torque-speed curve > 2 @ 2 2 2 2 2 /( ) 3 / R S X P V R S c TH TH TH c AG d Z W Operating region: ≈ linear curve. 2 Circuit Diagram III. stator side and rotor side. So obviously the speed of an induction motor can be controlled by varying any of three factors namely supply frequency f, number of pole P or slip S. The torque created by three phase induction motor is given by, T= (3/2PI NS) X (SE2R2/R2+ (SX2)) The Speed of Induction Motor is changed from both Stator and Rotor Side. construction of rotor part the 3-phase induction motors are divided into two types:- 1) 3-ph Squirrel cage induction motor. Speed control at the rotor side -We can change the speed at the rotor by,By adding some external resistance in the rotor circuitby cascade connection of the motor. Speed of a DC motor can be varied by varying flux, armature resistance or applied voltage. 5 Slip 65 3. Induction motors have been traditionally used as constant speed motors supplied by the AC power source. Hi, I am new here. 25*746= 186. The induction motor drives a variable load, is fed by an inverter and the PLC controls the inverter. This necessitates a speed control mechanism that is efficient and is also safe to use. Supply voltage 3. 7, Issue 1, ( Part -. Another advantage of using the three-phase control method is that the same drive-hardware topology can be used to control a three-phase induction motor. SIMULATION DIAGRAM This is the simulation diagram for Induction motor. Also we can use GSM module instead of Bluetooth technology to control the speed of induction motor. Find this and other hardware projects on Hackster. Speed Control of 3 Phase Induction Motor - Free download as Powerpoint Presentation (. Speed Control of Induction Motor Using PLC and Drives Speed Control of Stirrer Motor in a Bio Fertilizer Plant 24-pulse Converter for Converting AC to DC Supply. The speed of a normal 3-phase induction motor is a function of the frequency of the supply voltage, microcontroller, MOSFET. Journal of Engineering Research and Application ISSN : 2248-9622, Vol. kept constant throughout the speed range. Design of PLC and SCADA Based Control Panel for Continuous Monitoring of 3-Phase Induction Motor: In this, an efficient and versatile tool for controlling the induction motor is proposed which control and monitors the speed with high accuracy. • The rotor in an induction motor is not externally excited. flux speed, the induction motor rotates at a frequency near, but less than, that of the synchronous speed. The role of Cycloconverter in speed control of induction motor is to vary the supply frequency which in turn, changes the speed of motor. Tuning PI Regulators for Three-Phase Induction Motor Space Vector Modulation Direct Torque Control Using Complex Transfer Function Concept 5 IM complex transfer function, v1dq is considered as the input and the i1dq is considered as the output. 1 Classification of speed control motors. PLC & AC Drive with Automatic & Manual Industrial Control 4. Arduino board (e. Why we need to start induction motor using a. An induction motor is basically a constant speed device because the stator field rotates based on the frequency of the AC power system. ATO single phase input & output variable frequency drives (VFDs) are available now, it's specialized designed for single phase induction motor, widely applied to control speed of the single phase motors, such as fans, pumps, power tools, etc. of the Induction Motor to be controlled as as follows: 3 Phase,415 V,1100 RPM, 0. AC motors are constant speed devices but their speed can vary if you change the input voltage or frequency or the windings that make the motor rotate. Speed control at the rotor side -We can change the speed at the rotor by,By adding some external resistance in the rotor circuitby cascade connection of the motor. DC Motor, Firing angle, Microcontroller, SCR, Set-point change. Welcome to lesson 4 of How to control a VFD with a PLC. motor speed and actual motor speed is termed "slip. INTRODUCTION Induction motors are electro-mechanical devices used in most industrial applications for the transformation of power. 35 110x2 990 103. Synchronous speed of the rotating magnetic field of an induction motor is given by, where, f = frequency of the supply and P = number of stator poles. Also we can use GSM module instead of Bluetooth technology to control the speed of induction motor. induction motor system driven by inverter and controlled by PLC prove a higher accuracy in speed regulation as compared to a conventional V/f control system. It consists of stator and rotor. The conventional method has to be modified with advanced control techniques. JLCPCB - Prototype 10 PCBs for $2 (For Any Color) China's Largest PCB Prototype Enterprise, 600,000+ Customers & 10,000+ Online Orders Daily. 2 lb - Cable Resistance of 0. The electric motor speed is fixed when AC motor is connected to AC line. Multi three-phase induction motor motion controller Keywords PLC, VFDs, multi-motor simulation, FLC. Induction motors are widely used Electrical Motors due to their reliability, low cost and robustness. The induction motor drives a variable load, is fed by an inverter and the PLC controls the inverter. The efficiency of PLC control is increased at high speeds up to 95% of the synchronous speed. Methods of Speed Control of Induction Motor. 2, the variable speed induction motor drive can be achieved by controlling the frequency and voltage applied to the motor. These strategies are known as extinction angle control (EAC), modified phase angle control (MPAC), and symmetrical angle control (SAC). Where does the power go? Torque-speed curve > 2 @ 2 2 2 2 2 /( ) 3 / R S X P V R S c TH TH TH c AG d Z W Operating region: ≈ linear curve. Rotor resistance 4. As stated in the Section 3. Hence we will use this method to change the speed of Induction Motor. A Variable Frequency Drive (VFD) is used to control the speed of motor with the primary voltage control method. However, recently, it has been increasingly used as variable speed motors driven by an inverter. The idea of Controlling an induction motor method became the reason to make a ceiling fan control with a simple android phone. In this tutorial we will see how to control the speed of a DC Motor using Pulse Width Modulation (). Ns =120*f/p-slip. ) In this activity we will design and implement a speed controller for a simple DC motor. I recently bought an arduino uno and im a complete newb, so be prepared for silly questions. Design and PLC Implementation for Speed Control of DC Motor Using Fuzzy Logic 73 J. of the Induction Motor to be controlled as as follows: 3 Phase,415 V,1100 RPM, 0. Scalar control involves controlling the magnitude of voltage or frequency of the induction motor. However, recently, it has been increasingly used as variable speed motors driven by an inverter. A 440V, 50Hz, 6 poles, Y connected. The speed control of induction motor is done at the cost of decrease in efficiency and low electrical power factor. Induction motors are widely used Electrical Motors due to their reliability, low cost and robustness. Abstract: A theoretical background for the induction motor input current variation due to variation in speed is presented and the theoretical result is compared with the experimental observations, when the motor speed is varied by variation of input voltage. Our control system will be held using the available Siemens PLC. The entire control system is switched by using PLC. A three phase induction motor is basically a constant speed motor so it's somewhat difficult to control its speed. Scalar control of induction motor. Generally, it is known as the asynchronous motor because its running speed is less than its synchronous speed. 36 RPM would therefore have a slip frequency of 140. While all variable frequency drives (VFDs) control the speed of an AC induction motor by varying the motor's supplied voltage and frequency of power, they all do not use the same designs in doing so. PLC is an important part of industrial. INTRODUCTION. Single Phase Induction Motor Speed Control - This project is designed to control the speed of a single-phase induction motor by using operating knob, which is commonly used in home automation applications. The V/F control is based on advent of stator voltage derivatives. The diagram in Figure 1 shows an operator station used to manually control a VS drive. Optimization of the parameters of membership functions is done in MATLAB. Because speed of Induction motor is inversely proportional to torque. Ns= motor speed, f=frequency, p= number of poles. 1 Equivalent circuit of induction motor in d-q frame The induction motor model is established using d, q field reference concept. I need the specifications of the components to be used and the circuit diagram. The simulation of sensorless speed control of Induction Motor is done by using MATLAB®/SIMULINK. This does not involve the power from on rotor side be fed back to the source. View of PLC used 2. Keywords: speed control, asymmetrical PWM, induction motor,V/F, stator flux ripples, torque ripples 1. They are used in large pumps in water industry. PARAMETERS USED Supply rms voltage =110 V Frequency of sin wave =50Hz Power = 0. Simulation is carried out in MATLAB/SIMULINK environment and results are compared for speed control of induction motor. Calculate the slip. Also the induction motor can be run in either of the two directions which is quite useful in many applications. In section III, modeling of split phase induction motor is discussed. IC 555 is the popular Timer Chip used to make timer circuits. COMPONENT OF SPEED CONTROL OF IM BY PLC Miniature Circuit Breaker ( MCB ). Speed is calculated by: Figure. The electric motor speed is fixed when AC motor is connected to AC line. Any Induction Motor has main two parts: a Stator and a Rotor. scheme for speed control of three phase induction motor not only improve the power factor but also provide the flexible and simple starting of machine as explained earlier the interface transformer is replaced by step up chopper. Therefore, its speed of rotation will be. speed control of induction motor by stator voltage method. Three phase induction motor was fully automated using a PLC. Single Phase Induction Motor Speed Control - This project is designed to control the speed of a single-phase induction motor by using operating knob, which is commonly used in home automation applications. However, asynchronous motors do not inherently have the capability of variable speed operation. The software example uses. But I need to know is it possible to control using arduino. The response of the controller to load variations is looked at. As a result of using VFD, large amount of energy is saved by reducing sudden jerks at the start of the motor. In this way, the slip power of main motor is fed to the auxiliary induction motor at a frequency of f 2 = s 1 f 1. The AC Motor clutch is used to control the torque that is applied to the load. Because speed of Induction motor is inversely proportional to torque. PowerPoint Presentation. PLC is an important part of industrial. High Performance Drive A system employed for motion control using electric motor as a prime. Applications of Induction Motors. Figure 2 illustrates another method for speed control. reason for using them in several traction. This method has become popular with the development and decrease in cost. Then the level of the voltage signal a is determined. The PLC has to give set point for VFD drive to control the motor speed, this can achieved either automatically from the PLC or by the operator action from the HMI. Disadvantages of Induction Motor. Speed control of three-phase induction motor using pic18 microcontroller article will help you to design your project. It is not practically applicable with wound rotor. Software platform namely Siemens ladder logic programming S7-200 was comprehended, analyzed and implemented. Before starting to explain how an induction (asynchronous) generator works, I assume that you know the working principle of an induction motor. Kamatchi K annan , technique is used to control the speed of induction motor to control the turn on and turn off time of the semiconductor switching devices. of EEE, BIT, Mesra, Ranchi, Jharkhand, India Abstract As the subject of the paper, the speed control of induction motor fed by a three phase voltage source inverter has been done using PWM. Record all nameplate information for the induction motor. SARODE, SANDEEP G. Calculate the slip. The torque produced by three phase induction motor is given by, When the rotor is at standstill slip,. Rotor resistance 4. In section III, modeling of split phase induction motor is discussed. The system also involves the use of a speed control system which can adjust the speed to desired value. Series Variable Speed DC Motor Controller 12V uses a 555 timer IC as a PWM pulse generator to regulate the motor speed DC12 Volt. Induction motors have been used widely in different fields ranging from domestic appliances to industrial machinery. The control panel is designed to control the speed and protection of 3 phase IM and required control is done by PLC (Programmable Logic Controller). In section II, overview of cycloconverter is given. 8641 lb ft 2 - Ratio between the total and motor moment of inertia of 1 - Motor Weight of 3452. For the induction machine drive application, full utilization of the dc bus. IC 555 is the popular Timer Chip used to make timer circuits. In our robotics applications we may have to control the speed of the DC Motor. Thus, PLC proves themselves as a very versatile and effective tool in industrial. On the input side, voltage doublers are used and on the output side an H-bridge, or 2-phase inverter, is used as shown in Figure 2. AC Induction Motor Speed Control So what can we do to control the speed of an AC induction motor? Change the number of poles (in discrete increments - inefficient & rarely done) Change the frequency of the AC signal Change the slip. Introduction reliability and simplicity. Bhuva5 Prof. So i was thinking: control the voltage using igbt (with digital pin and optocoupler)/triac read the rpm via hall effect sensor. speed control of dc motor using scr ppt Basic SCR motor control circuit. View of PLC used 2. Thus we have to control the speed of induction motor using TRIAC. INTRODUCTION The characteristics of single phase induction motors are identical to 3-phase induction motors except that single phase induction motor has no inherent starting torque and some special. This method is common for squirrel- cage motors. 1 Classification of speed control motors. At first, the PI controller is investigated for speed control of Induction Motor, and then fuzzy logic controller performance is simulated. speed control of induction motor using plc and vfd 1. Let us now assume that P 1, P 2 and s 1, s 2 be the number of poles and slips respectively. In this project "PWM Speed Control of Induction Motor Using Microcontroller Project" we discuss the mechanism of speed control of an industrial induction motor by passing commands through computer. A VFD drive controls the motor speed. Because speed of Induction motor is inversely proportional to torque. if apply 50v three phase it will be working fine. The V/F control is based on advent of stator voltage derivatives. The speed of a normal 3-phase induction motor is a function of the frequency of the supply voltage, microcontroller, MOSFET. Thus, PLC proves themselves as a very versatile and effective tool in industrial. For the induction machine drive application, full utilization of the dc bus. In the present work, the Simulation of speed control of motor at different frequencies by using Cycloconverter is simulated and waveforms are discussed. CHAPTER 3 INDUCTION MOTOR AND DIFFERENT SPEED CONTROL METHODS Page No 3. But by using different methods we can control its speed. 3-Phase Induction Motors EE 340. The diagram in Figure 1 shows an operator station used to manually control a VS drive. Where does the power go? Torque-speed curve > 2 @ 2 2 2 2 2 /( ) 3 / R S X P V R S c TH TH TH c AG d Z W Operating region: ≈ linear curve. The Induction Motor block implements a three-phase induction motor. Ns= motor speed, f=frequency, p= number of poles. Three phase induction motors are mostly used in motion based applications. Find PowerPoint Presentations and Slides using the power of XPowerPoint. DC Motor Speed Control Using PID Controller Implementation by Simulink and Practical 45 The open loop characteristics of voltage-speed and torque-speed relationship are shown in table 2 and 3. Speed Control In Induction motor there are two speed. Uno, Mega 2560, etc. However, recently, it has been increasingly used as variable speed motors driven by an inverter. To address this problem, a PLC-based control system was designed for a three-phase induction motor. Multi three-phase induction motor motion controller Keywords PLC, VFDs, multi-motor simulation, FLC. 2 pu using Fuzzy Logic Controller 54. The use of inverter for tests on induction motor by the control of PLC provides good accuracy and speed regulation comparing the conventional V/F. We can change the speed at the stator by, changing the supply frequency, changing the supply voltage and changing the number of stator poles. 2 Three Phase Induction Motor 58 3. PWM AND ITS USE IN INDUCTION MOTOR SPEED CONTROL Seminar Guide: B Nagu Sir R Satya Priyanka Roll. Speed control of induction motor is possible in two sides. In particular, we will choose and tune the gains of a PI. pdf), Text File (. The speed control of induction motor is done at the cost of decrease in efficiency and low electrical power factor. The system consists of six bidirectional switches. Figure 3 shows the relation between the voltage and. 1 Stator 60 3. PLC software must therefore be maintainable and extensible. This necessitates a speed control mechanism that is efficient and is also safe to use. These techniques depend on varying the stator ac voltage to control the speed of three-phase induction motor. using sensors and PLC [3]. A common PLC application is the speed control of AC motors with variable speed (VS) drives. Speed control methods of the various speed control motors. References. Also the knowledge about fault mode behavior of an induction motor drive system is extremely important from the standpoint of improved system design, protection, and fault tolerant control. Methods of Speed Control of Induction Motor. The torque produced by three phase induction motor is given by, When the rotor is at standstill slip,. 2) 3-ph Slip-ring or wound-rotor type induction motor. Line- Voltage Control The torque developed varies with the square of the applied voltage. Keywords: Induction Motor, TRIAC, Speed Control I. The speed of the rotating magnetic field is referred to as synchronous speed. ppt), PDF File (. Thread / Post : Tags: Title: SPEED CONTROL OF THREE PHASE INDUCTION MOTOR BY USING CYCLOCONVERTER ppt Page Link: SPEED CONTROL OF THREE PHASE INDUCTION MOTOR BY USING CYCLOCONVERTER ppt - Posted By: kalarickal Created at: Sunday 16th of April 2017 05:39:02 AM: speed control of three phase induction motor with advanced thermal protection, single phase to three phase converter for driving three. Presented here is a robust system for switching on/off, varying the speed and direction of rotation of an industrial 3 Phase Induction Motor using VFD and PLC. PORAJE, and Prof. However, asynchronous motors do not inherently have the capability of variable speed operation. The system is designed using a PLC for intelligent control on a three-phase induction motor and. This is PLC Program to control motor speed using VFD drive. AC speed control motors. The conventional method has to be modified with advanced control techniques. Calculate the slip and the speed of the motor. Some of the applications of this motor include cranes, mills, hoists and conveyors. INTRODUCTION. The Induction Motor block implements a three-phase induction motor. Speed control of dc motor by using PWM technique project ppt is covers out line about this project. 1 Classification of speed control motors. This method has become popular with the development and decrease in cost. Bhuva5 Prof. Keywords: Induction Motor, TRIAC, Speed Control I. Generally, it is known as the asynchronous motor because its running speed is less than its synchronous speed. INTRODUCTION Induction motors are electro-mechanical devices used in most industrial applications for the transformation of power. Motor Speed Control. We will use the Siemens Starter software to setup the parameters in the VFD. Objective: The aim of this project is to limit the starting current and increase the starting torque and to control the speed of a three phase slip ring induction motor by rotor resistance control method using Programmable Logic Control. Benbouzid, "A review of induction motors signature analysis as a medium for faults detection," IEEE Transactions on Industrial Electronics, vol. Various automation processes in the industry need control of AC induction motors using AC drives. The speed control of poly phase induction motor can be done through the different methods. Figure 2 showed the equivalent circuit for the stator. Encoder and sets up a speed control system without any mechanical sensor. HowTo: How an Inverter Drive Works and Controls the Speed of an AC Induction Motor An Inverter Drive (VFD) works by taking AC mains (single or three phase) and first rectifying it into DC, the DC is usually smoothed with Capacitors and often a DC choke before it is connected to a network of Power Transistors to turn it into three phases for the. 1 (315 ratings) Course Ratings are calculated from individual students' ratings and a variety of other signals, like age of rating and reliability, to ensure that they reflect course quality fairly and accurately. 0), a normally closed Stop pushbutton is wired to the second input (I0. Design and PLC Implementation for Speed Control of DC Motor Using Fuzzy Logic 73 J.
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