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Title

ESTIMATING ELECTRICAL PARAMETERS OF THE INDUCTION MOTOR BY MEASURING THE COMPONENTS TEMPERATURES

Pages

 Start Page 79 | End Page 85

Abstract

 In this article the electrical parameters of the INDUCTION MOTOR are estimated by measuring temperature of its components. This process consists of four sections: 1-Thermal resistance model 2- Electrical parameters 3- Electrical model and 4- Neural network which present motor parameters and operational status compatible with corresponding learning data. In THERMAL RESISTANCE MODEL, we use physical and geometrical properties of motor components to formulate thermal resistance of each component of the motor. In electrical model, electrical losses are calculated by electrical variables, by relationship between electrical losses and thermal resistance, these model esgives us corresponding temperatures as output. These temperatures were used for training network (temperatures as input data, stator current and maximum torque as target data) in the neural network. After measuring temperatures of the components and using them as inputs to neural network, the corresponding stator current and maximum torque (target data) are estimated. All the stator currents referred to this paper were validated by experimental measurements.

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