Global Patent Index - EP 4341123 A1

EP 4341123 A1 20240327 - POWER SUPPLY FOR A RAIL VEHICLE, HAVING A TRACTION BATTERY

Title (en)

POWER SUPPLY FOR A RAIL VEHICLE, HAVING A TRACTION BATTERY

Title (de)

STROMVERSORGUNG FÜR EIN SCHIENENFAHRZEUG MIT TRAKTIONSBATTERIE

Title (fr)

ALIMENTATION ÉLECTRIQUE POUR UN VÉHICULE FERROVIAIRE PRÉSENTANT UNE BATTERIE DE TRACTION

Publication

EP 4341123 A1 20240327 (DE)

Application

EP 22703548 A 20220117

Priority

  • DE 102021208251 A 20210729
  • EP 2022050895 W 20220117

Abstract (en)

[origin: WO2023006253A1] The invention relates to a power supply device (30) for a rail vehicle (1). The power supply device (30) comprises a traction battery (10), a traction intermediate circuit (ZK), an on-board network (3AC), a bidirectional charging device (13), which is switched between the traction battery (10) and the on-board network (3AC), and a first switching unit (S3) between the traction battery (10) and the traction intermediate circuit (ZK) for switching between a charging operation and a discharging operation of the traction battery (10). The invention also relates to a power supply provision device. Furthermore, a method for discharging a traction battery (10) of a power supply device (30) according to the invention is disclosed. The invention additionally relates to a method for charging a traction accumulator (10) of a power supply device (30). Furthermore, a rail vehicle (1) is described.

IPC 8 full level

B60L 1/00 (2006.01); B60L 50/53 (2019.01); B60L 53/20 (2019.01); B60L 53/22 (2019.01)

CPC (source: EP)

B60L 1/00 (2013.01); B60L 50/53 (2019.02); B60L 53/20 (2019.02); B60L 53/22 (2019.02); B60L 2200/26 (2013.01); B60L 2210/30 (2013.01); B60L 2210/40 (2013.01)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

Designated validation state (EPC)

KH MA MD TN

DOCDB simple family (publication)

WO 2023006253 A1 20230202; CN 117642306 A 20240301; EP 4341123 A1 20240327

DOCDB simple family (application)

EP 2022050895 W 20220117; CN 202280050280 A 20220117; EP 22703548 A 20220117