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Scope:Replacement of original DC by new AC Traction System(DC chopper exchanged with IGBT inverter and DC drives replaced by AC drives)Installation of a new „fail-safe“ braking systemBogie revision including adaptationsNew on-board electrical system with battery chargerNew interiorModification of the driver’s cabAir conditioning systemDoor revisionNew air compressor and revision of the pneumatic systemFire alarm systemAudio and video systemTrain control system
Carried out in a consortium with Alstom
Duration:2009 until 2014
Complete fleet refurbishment in São Paulo – Upgrading the vehicles to „state-of-the-art“
Modernization from DC to AC Traction System The way to a higher car reliability in Guadalajara
New AC traction system
Vehicle type: Tram
Quantity: 16
Customer requirements:Higher reliability after implementation of anAC traction systemImproved spare part service; obsolescence prevention for DC traction equipment and stock optimization due to usage of common spare partsVehicle combination with other AC tram vehicles inmixed train consists (TLG-88 and TEG-90)
Scope:Inverter with IGBT technology, braking resistor and AC drives (including additional chokes)Replacement of original Knorr brake control system by Siemens airbrake control systemHigh Speed Circuit BreakerSet-point transducer for coupled operation with other tram vehiclesNew master controller and driver’s desk modification
Customer requirements:Interior retrofit to improve the transport capacity Planning of new outline for several types of carsExecution of works at Bournemouth Depot
Scope:Disassembly of the existing seat modules (3 seats)Remove of big litter bins, tables and curtains Mechanical works on the floor (e.g. holes, carpet)Installation of new seat modules (2 seats)Assembly of new side handrailsReworking of interior doorsInstallation of small litter bins behind glass dividerSealing of holes that are no longer usedRepair of carpet
Duration:August 2007 until July 2008
More and more passengers are using the rail – Increased transportation capacity for Desiro UK
Customer requirements:Disassembly of existing ATC systems Adaption of mechanical and electrical interfacesInstallation of new ATC / ETCS components
Scope:Transport of locomotives into Siemens workshopMechanical and electrical disassemblyMechanical adaptation for new ATC components Installation of new components and rewiring(e.g. displays, sensors, electrical cabinets, antennas)Installation of a new pantographCheck of insulationCommissioning including static and dynamic tests Documentation of performed work
Duration:December 2007 until the end of 2010
Transnational traffic increases – rules and regulations to be fulfilled with ETCS upgrade
Accident repair of a Desiro Classic with front and side damage after crash with concrete truck
Date of accident:July 2008 in Austria
Damage:Complete vehicle front (GRP head)Vehicle front end base frameComplete left side
Challenge:Disassembly of vehicle at customer workshopTransfer of damaged vehicle to Siemens workshopReconstruction of side panel, base frame and GRP headComplex welding worksReassembly under supervision of Siemens at customer workshopCommissioning support
Actions:Fabrication of a new vehicle front and body partsPartial replacement of the left side wall panel
Accident repair of a damaged MGT6 tram after crash caused by false track switch position
Side damage –
Heidelberg MGT6
Date of accident:June 2009 in Heidelberg, Germany
Damage:Side damage after collision caused by false track switch positionHeavy car body and base frame damagePartly detached vehicle front at front door
Challenge:Disassembly and reassembly of vehicle Repair of base frame and vehicle frontLeveling of the car bodyComplete repair at Siemens workshopCommissioning at Siemens Test- and Validationcenter
Actions:Reconstruction of base frame structure till main crossbarMeasuring of complete car shell incl. leveling workUsage of specific flexible welding fixtures
Accident repair of a COMBINO with frontal damage after rear end collision of two light rail vehicles
Frontal crash –
Combino Melbourne
Date of accident:September 2007 in Melbourne, Australia
Damage:Complete vehicle front and rear end (rear-end collision)Vehicle front base frameFront coupler
Challenge:Transfer of vehicle to GermanyComplete repair at Siemens workshop
Actions:Procurement of main partsTransfer to GermanyRedesign and fabrication of a new aluminum front structureUsage of specific welding tools and welding fixtures
Accident repair of a MGT6 car with frontal damage after rear end collision
Crash -
Mannheim MGT6
Date of Accident:February 2009 in Mannheim, Germany
Damage:Heavy front and base frame damage
Challenge:Disassembly and reassembly of vehicle Repair of base frame and vehicle frontComplete repair at Siemens workshopCommissioning at Siemens Test- and Validationcenter
Actions:Reconstruction of vehicle frontUsage of specific flexible welding fixtures
Duration:April 2009 until December 2009
Additional order:Measurement of wheel vertical forces at Siemens Test- and Validationcenter