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THREE-PHASE DRIVE SYSTEM WITH IMPRESSED CURRENT FOR AC TRACTIVE UNITS

K Dreimann, H Boehm

Abstract

For three-phase drive systems with impressed current, a phase sequence inverter is used for the generation of the three-phase system. This inverter is simpler than a pulse inverter and can use common thyristors. Depending on the requirements with regard to the power factor and disturbing current, a pulsable or a quenchable converter can be used as a line rectifier. The components of a high performance locomotive with impressed current system have been investigated. The construction of a test vehicle with two traction motors of 1.1 Mw each is envisaged for the near future.

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Available abstract

Key concepts: Inverter, Rectifier (neural networks), Electrical engineering, Three-phase, Thyristor, Traction (geology), Current (fluid), Alternating current