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1983•Revue Générale des Chemins de FerRequires access

THE SELF-DRIVEN SYNCHRONOUS MOTOR COMPARED WITH OTHER MOTORS FOR TRACTION PURPOSES

Alain BARRAL

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Abstract

The self-driven synchronous motor is particularly suitable for fitting to high-performance tractive units because it has a high power-to-weight ratio and a very wide speed range. The simplicity of the associated electronic equipment, together with its strength of construction, makes it more reliable than the direct-current motor and the asynchronous transmission system. It seemed of interest to compare in this article the capabilities of the three types of motor-direct current, synchronous and asynchronous--in a specific case: that of an SNCF 22000 type dual-current locomotive with its rating increased to 5600 kW for direct-current operation. The results of this comparison clearly show the advantages of the self-driven synchronous motor.

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What this paper is about

The self-driven synchronous motor is particularly suitable for fitting to high-performance tractive units because it has a high power-to-weight ratio and a very wide speed range. The simplicity of the associated electronic equipment, together with its strength of construction, makes it more reliable than the direct-current motor and the asynchronous transmission system. It seemed of interest to compare in this article the capabilities of the three types of motor-direct current, synchronous and asynchronous--in a specific case: that of an SNCF 22000 type dual-current locomotive with its rating increased to 5600 kW for direct-current operation. The results of this comparison clearly show the advantages of the self-driven synchronous motor.

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Available abstract

The self-driven synchronous motor is particularly suitable for fitting to high-performance tractive units because it has a high power-to-weight ratio and a very wide speed range. The simplicity of the associated electronic equipment, together with its strength of construction, makes it more reliable than the direct-current motor and the asynchronous transmission system. It seemed of interest to compare in this article the capabilities of the three types of motor-direct current, synchronous and asynchronous--in a specific case: that of an SNCF 22000 type dual-current locomotive with its rating increased to 5600 kW for direct-current operation. The results of this comparison clearly show the advantages of the self-driven synchronous motor.

Key concepts: Synchronous motor, Asynchronous communication, Computer science, Traction motor, Traction (geology), Induction motor, AC motor, Automotive engineering

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