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This paper analyzes the Extend Kalman Filter(EKF)based on Γ-1-type motor model, and on this basis, the sensor less rotor field-oriented control induction motor drive system is developed. EKF Analysis under Γ-1-type model simplifies the state matrix and reduces computation of EKF. Changes of motor parameters in EKF are attributed to the state noise. It makes the output values of EKF observe more accurate,...
The goal of this paper is a method for the simulation of an induction motor driven with a pulse width modulation (PWM) three-phase bridge. The approach taken here decouples the circuit simulation from the electromagnetic field simulation by first constructing a performance model of the machine using 2D finite element (FE) analysis. The model consists of the complete matrix of the self- and mutual...
Induction motors are most popularly used in modern day industrial drives. Under operating stresses and ageing, both stator and rotor of an induction motor undergoes degradation. It is necessary to properly assess the condition of motors on operation for reliable performance. Popularly employed technique for motor condition monitoring is the motor current signature analysis (MCSA) that deals with frequency...
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