Simulation and implementation of rotor flux control for an induction motor

Simulation and implementation of rotor flux control for an induction motor by Anca Novinschi Download PDF EPUB FB2

However, certain control strategies may require the adoption of a specific frame, as is the case of vector control where the reference frame is attached to the rotor flux vector.

In the presence of asymmetry, the common frame is attached to the asymmetrical member: an induction motor with unbalanced excitation or asymmetrical stator windings File Size: KB. In this paper we present a speed sensorless rotor flux estimation algorithm in a vector controlled induction motor drive.

The proposed method is based on observing a newly defined state [12] which is a function of rotor flux and speed. Availability of this state makes the speed sensorless rotor flux estimation possible. Rotor flux estimation. The paper deals with a direct torque control (DTC) scheme for Induction Motor (IM) drives where flux and torque of the motor are estimated by the IM Author: Djordje Stojic.

In this model, simulation of speed control of induction motor is done using V/f method with the implementation of sinusoidal pulse width modulated signals fed to the inverter. The efficient and essential Simulation and implementation of rotor flux control for an induction motor book to control the speed of an induction motor, is to control the frequency of the supply.

One of the efficient method of induction motor control is the direct torque control (DTC). In this paper, a design method for direct torque control of induction motor has been developed. The induction motor is controlled by conventional rotor FOC (block 4); the motor model in block 5 is presented in section The motor load and speed references are generated based on a particular drive cycle features (block 1), which includes the vehicle dynamic and mechanical transmission by: 1.

The implementation of direct field oriented control via air gap flux measurement has typically been plagued by the complexities and lack of mechanical robustness associated with intrusive sensors located in machine air gap.

Furthermore, a correction is required for the rotor leakage flux if the rotor flux field orientation is to be : Said Grouni, Rachid Ibtiouen, Madjid Kidouche, Omar Touhami. The rotor flux vector can be easily calculated based on Eq.

().The stator current value obtained from Eq. () can be compared with its measured value and thus motor speed can be estimated with the help of the BP algorithm, similar to the scheme of Fig. block diagram of the proposed modified speed estimation [18, 19] is presented in Fig.

Fig. Block diagram of direct field-oriented induction motor control system. Where, cos = dr / r sin = qr / Simulation and implementation of rotor flux control for an induction motor book r = = Field Current Command = Torque Current Command The rotor flux is estimated by a rotor flux observer in practice.

Rotor Flux Observer of Induction Motor The full-order state observer which estimates the stator. This paper based on the Vector Control theory uses the MATLAB/SIMULINK simulation software to simulate the rotor flux current model and rotor flux voltage model in the asynchronous motor. It comes to a conclusion that the two waveforms produced by simulating the rotor flux current model and voltage model are credible under the ideal conditions Author: Xiayi Hao, Genghuang Yang, Xin Su, Xiaotian Xu.

induction motor model is described. With the modular system, each block solves one of the model equations; therefore, unlike black box models, all of the machine parameters are accessible for control and verification Simulation and implementation of rotor flux control for an induction motor book.

Simulink induction machine model discussed in this paper has been featured in a recent graduate level text book [6], and. The simulation covers Simulation and implementation of rotor flux control for an induction motor book of phase currents and flux linkages into the d-q axes frame for implementation of field-oriented control and realization of the stator currents through the inverse transformation, hysteresis current control and pulse width modulation scheme at Cited by: 4.

Principles of Induction Motors and Simulation of Direct Torque Control using Space Vector Modulation - Kindle edition by Maxman, Kristeine. Download it once and read it on your Kindle device, PC, phones or tablets.

Use features like bookmarks, note taking and highlighting while reading Principles of Induction Motors and Simulation of Direct Torque Control using Space 1/5(1). Description. The DTC Induction Motor Drive (AC4) block represents an improved scalar control drive for induction motors with direct torque and flux control.

This drive features closed-loop speed control using hysteresis-band torque and flux controllers. The speed control loop outputs the reference electromagnetic torque and stator flux of the machine. Description. The Field-Oriented Control Induction Motor Drive block represents a standard vector or rotor field-oriented control drive for induction motors.

This drive features closed-loop speed control based on the indirect or feedforward vector control method. The speed control loop outputs the reference electromagnetic torque and rotor flux of the machine.

The proportion-integral (PI) type controllers for the speed control loop, flux control loop, d-axis and q-axis stator-current control loops are designed using the root-locus method, because of the transfer function of these control loops are the second order system, the damping ratio for design the controller was selected as about Author: Yung-Chang Luo, Yu-Hsiang Chen.

The last two graphs demonstrate a Simplorer® simulation of the start of an induction motor. As previously mentioned, the symbol and the model for the induction motor is built into the code. Figure shows the schematic with the source and the induction motor as well as a graph that shows the rotational speed as a function of time.

The Cited by: 2. Fig.(3) shows the basic structure of the indirect fieldoriented control of the three- -phase induction motor. 4-ROTOR FLUX MODEL Knowledge of the rotor flux space vector magnitude and position is key information for the three phase induction motor vector control.

With the rotor magnetic flux space vector, the. • The induction motor model • Examples of flux and rotor speed observers – Observer architecture of Derdiyok, Guven, Rehman, Inanc and Xu () – Sliding mode observer of Utkin, Guldner and Shi () • Our observer – Analysis – Simulation and experimental results • Concluding remarks 2File Size: KB.

Induction motor rotor types 7 Induction motor cross-section 8 Typical torque-speed characteristic of IM 9 Direct torque control of induction machine 11 Stator and rotor flux space vector 13 Inverter Voltage Vectors and corresponding stator 14 Trajectory of stator flux vector 15 Flux hysteresis states Simulate an AC Motor Drive.

To use the AC drive models of the Electric Drives library, you first specify the types of motors, converters, and controllers used in the six AC drive models of the library designated AC1 to AC6. The AC1, AC2, AC3, and AC4 models are based on the three-phase induction motor.

This motor has a three-phase winding at the stator and a wound rotor Frequency: 60 Hz. transferred to rotor. The flux and the current so produced interact to produce electromagnetic torque Te. Fig. 1: Basic Block Diagram for implementation software modeling of induction motor., 2 1 2 1 2 1) 3) sin(3 2 sin sin() 3 2) cos(3 2 cos cos(3 K s () (0).

The rotor and stator flux speed are stationary with respect to each other in 3 phase induction motor. What will happen if there is relative speed between them.

How these two fluxes interact with each other to develop a torque. The rotor flux linkage model and the voltage decoupling in the traditional vector control scheme are modified to account for the magnetic saturation of the iron core.

The mixed stator current - rotor flux linkage' model of the saturated induction machine is used in the control design, simulation and experimental realisation.

Theoretically, the field-oriented control for the induction motor drive can be mainly categorized into two types; indirect and direct field oriented. The field to be oriented may be rotor, stator, or airgap flux-linkage. In the indirect field-oriented control, the slip estimation based on the measured or estimated rotor speed is.

In order to realize the sensorless induction motor drives with the vector control strategy, the rotor flux and the torque current are generally used to find the rotor speed.

In this paper, an improved rotor flux estimation method is proposed to enhance the performance in low and zero speed : Bigyan Basnet, Hong-Hee Lee. In this paper, the indirect stator flux orientated controlled (ISFOC) induction motor drive is presented.

In order to eliminate the effect of parameter. @article{osti_, title = {Modelling and simulation of voltage inverter fed induction motor with stator flux orientation}, author = {Rafajlovski, G and Ratz, E and Manov, D and Mircevski, S}, abstractNote = {This paper deals with the application of a non-linear control technique in a three phase inverter-fed induction motor.

Also mathematical model for dynamic analysis of an. dynamic performance of an induction motor model whose stator and rotor variables are referred to an arbitrary reference frame.

The implementation process is given for all the stated equation. The equivalent circuit of the induction machine in the arbitrary reference frame is shown in Fig.

1 above. INDUCTION MOTOR MODELAuthor: Radhika Priyadarshini, Lekshmi M. speed control of induction motor drive. One is the control scheme, and other one is the estimation by using speed and flux estimator. Both are highly dependent on the motor parameters.

ION MOTOR MODEL From the voltage equations of the induction motor in the arbitrary rotating d-q reference frame, the state space model with stator File Size: KB.

The synchronously rotating vector components of the stator current isq and isd are controlled independently to control the torque and the rotor flux, respectively.

It can be shown that rotor flux orientation in contrast to stator flux orientation tends to give true decoupling control. Within the synchronous current, the respective counter EMF (Electro Motive Force) signals can be added Author: Xiao Jie Chen. of the induction motor [4].

The objectives of this investigation are: the implementation of the finite element (FE) modelling for a three-phase squirrel cage induction motor, the analysis of the simulation results for motors with broken rotor bar faults, using FLUX V package, in order to establish a diagnosis method for this fault Size: KB.

The torque regulator, flux regulator and speed regulator of induction motor control system are designed based on stator flux-oriented.

An improved flux integration algorithm is adopted to eliminate the drift of the DC voltage and the initial value in the pure integrator.

The simulation of induction motor control system is achieved by using the : Bi Juan, Feng Long Shen. Matlab Simulation of Induction Motor Drive using V/f Control Method of implementation of the overcurrent control loop. By adding a speed/position sensor, the problem relating to the Stator flux oriented control, Rotor flux oriented control and magnetizing flux oriented Size: 1MB.

Abstract: In this paper, decoupled Stator Flux Oriented Control for induction motor drive systems Fed by Indirect Matrix Converter is described.

Flux vector estimation accuracy is affected by the rotor parameters in rotor flux-oriented control. The algorithm has the disadvantage of sensitivity to rotor parameters. Speed and Flux Estimation for an Induction Motor Using a Parameter Estimation Technique Gil-Su Lee, Dong-Hyun Lee, Tae-Woong Yoon*, Kyo-Beum Lee, Joong-Ho Song, and Ick Choy Abstract: In this paper, an estimator scheme for the rotor speed and flux of an induction motor is proposed on the basis of a fourth-order electrical model.

However, rotor flux based model reference adaptive system is the most popularly used conventional speed estimation scheme for sensorless induction motor drives [].

In this paper, the indirect vector control scheme using the rotor flux based model reference adaptive system designed and simulated usingCited by: 6. Modeling and Simulation of Rotor flux observer based Indirect Vector Control of Induction Motor Drive using Fuzzy Logic Control International Journal of Electrical and Electronics Engineering (IJEEE) ISSN (PRINT): – ,Vol-2, Iss-2,3,4, 4.

Abstract—Induction Motor (IM) control is a difficult and complex engineering problem due to multivariable, highly most of the methods there is estimation of rotor flux angle and parameter tuning in FOC.

In FOC, any controller is easily Vector control implementation principle with machine d. s-q. by: 4. It is usual to find single-phase induction motor (SPIM) in several house, office, shopping, farm, and industry applications, which are become each time more sophisticated and requiring the development of efficient alternatives to improve the operational performance of this machine.

Although the rotor flux and rotational speed are essential variables in order to optimize the Cited by:. In the case of an asynchronous 3 pdf motor, sometimes regarded as an induction cage motor, a very pdf control method, the field oriented control is available.

The main feature of this method is that all variables are converted to the coordinate system of the magnetic field of the rotor, called the rotor flux. The flux is held constant. Field Oriented Control describes the way in which the download pdf of torque and speed are directly based on the electromagnetic state of the motor, similar to a DC is the first technology to control the “real” motor control variables of torque and decoupling between the stator current components (magnetizing flux and torque), the torque producing component.

Ebook, When a load is applied to the rotor of an induction motor, the rotor speed decreases and as a result, the induced currents in the rotor and the torque produced increases due to the relative speed difference between the rotor and the rotating field within the stator.