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2018•Automobile TransportOpen access

CALCULATION OF THE MAIN CHARACTERISTICS OF THE TRACTION INDUCTION MOTOR FOR ELECTRIC TRANSMISSION OF URBAN ELECTRIC BUS

Shchasiana Arhun

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Abstract

Problem. Motor vehicles built on the basis of an electric transmission have been gaining popularity recently. The most important factors here are environmental and economic ones. For large cities these two factors are closely connected and form the requirements for modern vehicles. Goal. The goal is conducting analysis of electric motors in the context of their application in a traction electric drive of vehicles with the determination of the most promising one for manufacturing electric transmissions in Ukraine; calculation of the main characteristics of the traction induction motor for electric transmission of urban electric bus. Methodology. The methods of theoretical foundations of electrical engineering were used in calculating electric circuits of alternating current. Also the classical methods of calculating electric cars and the theory of electric drive were used in calculating the basic parameters of a traction motor for an electric transmission. Results. Based on the expert assessment, the AIR 225M2 traction motor has been selected. The calculation of the main parameters of the selected induction motor for the electric transmission of the urban electric bus has been carried out. Its main electrical and mechanical parameters have been determined and its natural characteristic has been constructed. Mechanical characteristic was built when operating in an electric transmission with an induction motor AIR 225M2 in the mode of the engine and in the generator mode with the fan load torque. Originality. The complex expert estimation of traction electric motors for electric transmission has been carried out. During this assessment, not only the electromechanical indices of electric motors, but also economic factors were taken into account. Practical value. The results of the conducted studies allow conducting a comprehensive expert evaluation of electric motors for an electric transmission in practice. By setting the load parameters for the traction drive it is possible to determine its mechanical characteristics, both in the motor mode and in the generator mode

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Problem. Motor vehicles built on the basis of an electric transmission have been gaining popularity recently. The most important factors here are environmental and economic ones. For large cities these two factors are closely connected and form the requirements for modern vehicles. Goal. The goal is conducting analysis of electric motors in the context of their application in a traction electric drive of vehicles with the determination of the most promising one for manufacturing electric transmissions in Ukraine; calculation of the main characteristics of the traction induction motor for electric transmission of urban electric bus. Methodology. The methods of theoretical foundations of electrical engineering were used in calculating electric circuits of alternating current. Also the classical methods of calculating electric cars and the theory of electric drive were used in calculating the basic parameters of a traction motor for an electric transmission. Results. Based on the expert assessment, the AIR 225M2 traction motor has been selected. The calculation of the main parameters of the selected induction motor for the electric transmission of the urban electric bus has been carried out. Its main electrical and mechanical parameters have been determined and its natural characteristic has been constructed. Mechanical characteristic was built when operating in an electric transmission with an induction motor AIR 225M2 in the mode of the engine and in the generator mode with the fan load torque. Originality. The complex expert estimation of traction electric motors for electric transmission has been carried out. During this assessment, not only the electromechanical indices of electric motors, but also economic factors were taken into account. Practical value. The results of the conducted studies allow conducting a comprehensive expert evaluation of electric motors for an electric transmission in practice. By setting the load parameters for the traction drive it is possible to determine its mechanical characteristics, both in the motor mode and in the generator mode

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Available abstract

Problem. Motor vehicles built on the basis of an electric transmission have been gaining popularity recently. The most important factors here are environmental and economic ones. For large cities these two factors are closely connected and form the requirements for modern vehicles. Goal. The goal is conducting analysis of electric motors in the context of their application in a traction electric drive of vehicles with the determination of the most promising one for manufacturing electric transmissions in Ukraine; calculation of the main characteristics of the traction induction motor for electric transmission of urban electric bus. Methodology. The methods of theoretical foundations of electrical engineering were used in calculating electric circuits of alternating current. Also the classical methods of calculating electric cars and the theory of electric drive were used in calculating the basic parameters of a traction motor for an electric transmission. Results. Based on the expert assessment, the AIR 225M2 traction motor has been selected. The calculation of the main parameters of the selected induction motor for the electric transmission of the urban electric bus has been carried out. Its main electrical and mechanical parameters have been determined and its natural characteristic has been constructed. Mechanical characteristic was built when operating in an electric transmission with an induction motor AIR 225M2 in the mode of the engine and in the generator mode with the fan load torque. Originality. The complex expert estimation of traction electric motors for electric transmission has been carried out. During this assessment, not only the electromechanical indices of electric motors, but also economic factors were taken into account. Practical value. The results of the conducted studies allow conducting a comprehensive expert evaluation of electric motors for an electric transmission in practice. By setting the load parameters for the traction drive it is possible to determine its mechanical characteristics, both in the motor mode and in the generator mode

Key concepts: Traction motor, Single-phase electric power, Electric motor, Induction motor, Automotive engineering, Engineering, Brushed DC electric motor, Torque

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