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Charging system for DC charging of traction battery of electrically driven motor vehicle

A technology of charging system and traction battery, applied in electric vehicle charging technology, electric vehicles, battery circuit devices, etc.

Pending Publication Date: 2022-04-08
KOSTAL AUTOMOBIL ELEKTRIKK GMBH & CO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the vehicle is then also only equipped with a DC charging possibility, so that it is assigned to the corresponding DC charging column

Method used

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  • Charging system for DC charging of traction battery of electrically driven motor vehicle
  • Charging system for DC charging of traction battery of electrically driven motor vehicle

Examples

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Embodiment Construction

[0013] As shown in the drawing, the fixed-site charging station 1 of the charging system according to the invention comprises a docking station which has a stable housing which is fastened, for example, to a wall. The docking station of the stationary charging station 1 is permanently electrically connected to the three-phase current connection. The docking station has a long cable 6 with a matching plug 7 for DC charging of the electric vehicle and operation options. The connection to the grid (Anschluss) consists of three phases L1, L2, L3, neutral N and protective earth PE. The phases L1 , L2 , L3 are assigned within the fixed charging station 1 , wherein the alternating current from two of the phases L2 , L3 is converted into direct current in an internal AC / DC converter. The first phase L1 is introduced onto the plug, and said plug is engaged here via the interface 2' into the AC input socket of the portable module 2, as long as the portable module 2, as in figure 1 Ins...

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PUM

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Abstract

The invention relates to a charging system for direct-current charging of a traction battery of an electrically driven motor vehicle, comprising a stationary charging station which is connected to a three-phase alternating voltage or three-phase current supply network, an AC / DC converter being present for each of the three phases, characterized in that the AC / DC converter is connected to the three-phase alternating voltage or three-phase current supply network. According to the invention, the AC / DC converter for one of the three phases is designed as part of a portable module that can be extracted from the charging station, said module being provided with a housing that can be separated from the charging station, in which housing additional electronic components are present, which supplement them as separate, single-phase charging devices.

Description

technical field [0001] The invention relates to a charging system for direct current charging of the traction battery of an electrically driven motor vehicle, comprising a stationary charging station connected to a three-phase alternating voltage or three-phase current supply network, wherein for three-phase There is an AC (alternating current) / DC (direct current) converter for each phase in the circuit. Background technique [0002] The term electrically driven motor vehicle is to be understood here as meaning a vehicle which is driven either exclusively or additionally by an electric motor and at least optionally provides the possibility of electrical charging at an external current source. In particular, so-called plug-in hybrid vehicles are also included here as electric vehicles. [0003] In wired charging of electric vehicles, AC charging on the one hand and DC charging on the other hand have been established as possible charging modes. In AC charging, a single-phase...

Claims

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Application Information

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IPC IPC(8): B60L53/10H02J7/02H02J7/00
CPCB60L53/14B60L53/30B60L53/11B60L2210/30H02J7/02B60L53/22H02J7/0042H02J2310/48H02J2207/20Y02T10/7072Y02T90/14Y02T10/70Y02T90/12B60L53/35B60L53/16B60L53/18
Inventor 克里斯蒂安·伦肯霍夫斯文·维瑟尔
Owner KOSTAL AUTOMOBIL ELEKTRIKK GMBH & CO KG
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