Vergabelos 1 - Bordspannungsversorgungsanlagen / Depoteinspeisung 670 V DC (BSV)

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Lot 1 - On-board Voltage Supply Systems / Depot Feed 670 V DC (BSV) The on-board voltage supply system (BSV) 670 V DC serves the stationary supply of auxiliary operations of parked ICE vehicles during maintenance, revision, and repair work in the ICE Workshop Dortmund-Hafen. The system supplies tracks 601 to 604 with a galvanically separated 670 V DC voltage and enables external feeding of the vehicle onboard networks when the overhead line is switched off. The central energy supply, control, and power electronics are installed in building section K3 and connected via power, control, and grounding systems to the withdrawal points in the workshop hall K1. The energy supply comes from the central 10 kV medium voltage system of the plant. From there, 2 dry transformers TRF004 and TRF005 are fed via separate medium voltage feeders. The BSV supply is provided via the feeder fields +K08 and +K09 of the plant's medium voltage distribution. The medium voltage supply performs the feeding of the BSV as well as the necessary protection, measurement, and interlocking functions. Two dry transformers with a power rating of 1,000 kVA each are used for voltage transformation. The transformers…

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