A Closed-Loop Rotor Resistance Control Method for Improved DC Dynamic Braking of Wound Rotor Induction Motor

1985 ◽  
Vol IA-21 (1) ◽  
pp. 235-240 ◽  
Author(s):  
J. R. P. Gupta ◽  
Bhim Singh ◽  
B. P. Singh
Keyword(s):  
Induction Motor ◽  
Closed Loop ◽  
Control Method ◽  
Rotor Resistance ◽  
Dynamic Braking

CONSTANT TORQUE CLOSED LOOP ROTOR RESISTANCE CONTROLLER FOR DC DYNAMIC BRAKING OF A WOUND ROTOR INDUCTION MOTOR

1994 ◽  
Vol 22 (1) ◽  
pp. 61-76
Author(s):  
CHEMMANGOT V. NAYAR ◽  
ROGER R. FEHR ◽  
JACOB PERAHIA ◽  
FRANK P. THOMAS ◽  
ELAVEETTIL VASU
Keyword(s):  
Induction Motor ◽  
Closed Loop ◽  
Constant Torque ◽  
Rotor Resistance ◽  
Dynamic Braking

scholarly journals Robust Control Facing a Large Scale Parameter Variation in a Sensorless Vector Controlled Induction Motor Drive

2020 ◽  
Vol 19 ◽  
Keyword(s):  
Induction Motor ◽  
Large Scale ◽  
Control Method ◽  
Scale Parameter ◽  
Motor Behavior ◽  
Parameter Variation ◽  
Torque Control ◽  
Adaptation Mechanism ◽  
Rotor Resistance ◽  
Slip Frequency

In vector control systems using the slip frequency control method, the rotor resistance of induction motors is used to calculate a slip frequency. Thus the change in temperature and saturation levels cause the variation of rotor resistance value and hence the deterioration of the whole torque control characteristic. This paper presents a simulation of induction motor behavior facing a sudden parameter variation in very low speed basing on fuzzy logic perturbation rejection controllers, the rotor flux and speed are observed by an adaptive Luenberger observer based fuzzy adaptation mechanism. Simulation results show that the proposed control with the proposed fuzzy regulation provide good performance dynamic characteristics for a large scale parameter variation. All simulations have been realized in MatLab/Simulink.

Induction Motor Reducing Voltage Energy-Saving Control Method Based on Closed-Loop Power Factor

2013 ◽  
Vol 339 ◽  
pp. 131-136
Author(s):  
Jing Hua Zhou ◽  
Bin Ma ◽  
Xiao Wei Zhang ◽  
Cheng Chen
Keyword(s):  
Energy Saving ◽  
Induction Motor ◽  
Power Factor ◽  
Closed Loop ◽  
Control Method ◽  
Motor Power ◽  
Loop Control ◽  
Copper Loss ◽  
Light Load ◽  
Saving Effect

The paper starts from the angle of the induction motor energy loss, antis light-load energy conservation issues for induction motor, proposes a closed-loop control method of the motor power factor which is the amount of system feedback, and gives the constraint condition of the reducing voltage energy-saving. Different loads have different values of the optimal motor power factor, real-time adjusting the motor power factor to make the motor always run at the optimal power factor, and when running at light load, reducing the output voltage of the inverter, to reduce the motor copper loss and iron loss, to improve motor efficiency and power factor, to achieve reducing voltage energy-saving purposes, and to achieve the function of induction motor load following energy-saving. The experimental results show that the motor is able to maintain a high power factor operation in light load conditions, and has a good energy-saving effect.

Rotor resistance identification and stability control method in bearingless induction motor drives

2008 ◽  
Vol 164 (1) ◽  
pp. 86-97
Author(s):  
Daigo Akamatsu ◽  
Shuichi Orita ◽  
Akira Chiba ◽  
Tadashi Fukao
Keyword(s):  
Induction Motor ◽  
Control Method ◽  
Stability Control ◽  
Motor Drives ◽  
Induction Motor Drives ◽  
Rotor Resistance

Variable Speed Vector Control for Induction Motor of Electric Vehicle

2014 ◽  
Vol 699 ◽  
pp. 759-764
Author(s):  
Amilia Emil Hasan ◽  
Haryani Hassan ◽  
Ismadi Bugis
Keyword(s):  
Embedded System ◽  
Vector Control ◽  
Induction Motor ◽  
Control Method ◽  
Torque Ripple ◽  
Electromagnetic Torque ◽  
Motor Speed ◽  
Speed Controller ◽  
Speed Performance ◽  
Constant Output

This paper presents the speed performance of an induction motor by using a vector control. The control scheme used is an indirect vector control for define speed command. The main focus of this research is to observe on the dynamic speed performance of the induction motor when the command speed is given to the motor. In this study, the system of indirect vector control will be built by using Matlab Simulink. In fact, the expression of exciting flux linkage and electromagnetic torque are used to create a simple embedded system which to find out the effects of flux weakening in motor while, the gain of the speed controller is 100. The result shows that the vector control method will cause immediate the motor speed response with a small electromagnetic torque ripple. Furthermore, the output mechanical torque starts to decrease when the motor speed above the base speed to maintain a constant output power operation. This paper contributes a new algorithm to analysis the system when the speed motor is higher than a base speed.

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