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Motor vehicle having a high-voltage power supply system

A technology for power supply system and motor vehicle, which is applied in electric vehicles, electric braking system, electric vehicle charging technology, etc., to achieve the effect of low cost

Active Publication Date: 2015-01-21
AUDI AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, a disadvantage when coupling power supplies via transformers is that the respective transformers must be able to transmit a relatively high rated power in order to be able, for example, to also supply electrical energy from the power supplies to the drive motor of the motor vehicle or to enable the regeneration of the drive motor Current returns to storage in the power supply

Method used

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  • Motor vehicle having a high-voltage power supply system

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Embodiment Construction

[0023] FIG. 1 shows the high-voltage electrical system of a motor vehicle 10 . Motor vehicle 10 may be, for example, a passenger car. A high-voltage power supply system 12 is installed at the front and a high-voltage power supply system 14 is installed at the rear in the motor vehicle 10 . Here, the high-voltage power supply system refers to the entire electrical equipment consisting of the power supply, consumers and connecting wires.

[0024] The preceding high-voltage power supply system 12 has a high-voltage power source 16, an intermediate circuit 18 (with a conductor 20 for positive potential and a conductor 22 for negative potential) and a plurality of electrical high-voltage components, which are shown in more detail in the drawing Electric traction drive 24 . Further electrical high-voltage components 26 are represented in the drawing by single boxes.

[0025] The latter high-voltage supply system 14 similarly comprises a high-voltage power supply 28, an intermedia...

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Abstract

The invention relates to a motor vehicle (10) having a first high-voltage power supply system (12), comprising a first high-voltage power source (16), a first intermediate circuit (18) connected thereto and at least one voltage load (24, 26) linked to the first intermediate circuit (18). According to the invention an additional second high-voltage power supply system (14) is provided which has a second high-voltage power source (28), a second intermediate circuit (30) connected thereto and at least one high-voltage load (36) linked to the second intermediate circuit (30).

Description

technical field [0001] The invention relates to a motor vehicle with a high-voltage power supply system comprising a high-voltage power supply, such as a traction battery, an intermediate circuit connected to the high-voltage power supply, and at least one high-voltage consumer connected to the intermediate circuit, such as Electric drive motor. In connection with the present invention, the term "high voltage" is understood to mean voltages above 60 volts, in particular above 200 V. Background technique [0002] In such high-voltage power supply systems it may be desirable to provide electrical energy in the intermediate circuit by means of two or more high-voltage sources. For example, when two or more traction batteries are used in a motor vehicle, greater electrical energy storage capacity can be provided. It is also possible to provide a traction battery as the first high-voltage power source, a fuel cell stack as the storage battery and as the second high-voltage powe...

Claims

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Application Information

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IPC IPC(8): B60L11/18B60L7/14
CPCY02T10/7066Y02T10/7061Y02T90/14B60L2210/12B60L11/1816Y02T10/7241B60L2210/40Y02T10/7233B60L2210/14B60L11/1803Y02T90/127B60L11/1866B60L11/1877Y02T10/7005B60L11/1868B60L7/14B60L2260/28B60L11/1853B60L2210/30Y02T10/7225B60L50/51B60L50/66B60L53/14B60L58/18B60L58/20B60L58/22Y02T10/70Y02T10/7072Y02T10/72
Inventor H·斯塔特斯
Owner AUDI AG
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