US 2017/0282723 A1 · Electrical System For A Vehicle Which Can Be Electrically Driven

Abstract

An electrical system for a vehicle which can be electrically driven includes a high-voltage DC system and a low-voltage DC system. A DC/DC converter is, or can be, electrically connected to the high-voltage DC system at one end and to the low-voltage DC system at the other end. An AC line passage is, or can be, electrically connected to a first DC/AC converter. The first DC/AC converter is, or can be, electrically connected to the high-voltage DC system at one end and to an AC drive device of the vehicle by way of the AC line passage at the other end. There is also included a DC energy source, in particular a fuel cell device for example. A second DC/AC converter is, or can be, electrically connected to the DC energy source at one end and to the AC line passage at the other end.

Claims10

Dependent claims

1-8. (canceled)

An electrical system for a vehicle which can be electrically driven, the electrical system comprising:

a high-voltage DC network with a high-voltage DC energy storage device;
a low-voltage DC network with a low-voltage DC energy storage device;
a DC/DC converter having a first side electrically connected or connectable to said high-voltage DC network and a second side connected or connectable to said low-voltage DC network in order to permit the transmission of electrical energy from said high-voltage DC network to said low-voltage DC network and/or vice versa;
a first DC/AC converter and an AC line passage electrically connected or connectable to said first DC/AC converter, said first DC/AC converter having a first side electrically connected or connectable to said high-voltage DC network, and a second side connected, via said AC line passage, to an AC drive device of the vehicle, for permitting a transmission of electrical energy between said high-voltage DC network and said AC drive device via said first DC/AC converter and via said AC line passage;
a DC energy source for generating electrical energy for supplying the electrical system;
a second DC/AC converter having a first side electrically connected or connectable to said DC energy source and a second side connected or connectable to said AC line passage, in order to permit a transmission of electrical energy generated by said DC energy source via said second DC/AC converter and further via said first DC/AC converter to said high-voltage DC network and/or to permit a transmission of electrical energy generated by said DC energy source via said second DC/AC converter to the AC drive device of the vehicle.

3 more elements

Dependencies are inferred from the claim text.

Facts

Application

15/512,748Filed 13 Aug 2015

Priority

DE 102014218738.918 Sep 2014

Published

5 Oct 2017

Term ends

Not estimatedThe source records don’t support an estimate.

Classification20 codes

B60L 53/14
Characterised by the energy transfer between the charging station and the vehicle: conductive energy transfer
B60L 50/14
Using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines: using DC generators and AC motors
B60L 50/51
Using propulsion power supplied by batteries or fuel cells: characterised by AC-motors
B60L 50/52
Using propulsion power supplied by batteries or fuel cells: characterised by DC-motors

Electrical System For A Vehicle Which Can Be Electrically Driven

Life of this patent

Electrical System For A Vehicle Which Can Be Electrically Driven

Life of this patent

Abstract

Claims10