Test bench power converter for railway system test station for component testing

PowerTech test bench converter with three motor converters, one of which is a single-phase converter for 16.7 Hz railway applications in the railway system test station

Supply of a converter for testing of traction unit components to Vossloh-Kiepe together with VEM Transresch GmbH

This project involved the development and construction of a rail test facility for the transport technology group Vossloh AG. PowerTech was selected as the supplier for the corresponding converter system.

The new railway test bench is used to test traction vehicle components such as the railway transformer, the traction converter and the traction motors for various nominal catenary voltages.

PowerTech supplied a modular, air-cooled frequency converter with intermediate voltage circuit and pulsed line converter.

The structure in detail:

• IGBT line converter 3 AC 690 V / 1,250 A designed as Active Front End

• Feed-in cabinet with circuit breaker and mains filter

• Intermediate circuit with additional capacitors

• Transformer converter for AC test voltage (2-phase, AC 690 V / 2,400 A)

• two motor inverters for the load machines (2 x 3 AC 690 V / 1,150 A)

• Reinforced filter to relieve the network of network fluctuations

• Control cabinet for auxiliary and control voltages for AC converters

• Various internal control and safety functions

• Profibus DP Communication


VEM load motors for railway system test station

PowerTech internal test area with test setup of the converter to be supplied and VEM load motor for the track test bench


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PowerTech test bench converter with three motor converters, one of which is a single-phase converter for 16.7 Hz railway applications in the railway system test station