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Method for operating electric or hybrid vehicle and electric or hybrid vehicle

A vehicle and electric technology, applied in electric vehicle charging technology, electric vehicles, electrical devices, etc., can solve problems such as long delays

Pending Publication Date: 2020-08-18
VOLKSWAGEN AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In document DE 10 2015 203 912 A1 it is stated that a longer delay occurs due to the dimensioning of the capacitors used there

Method used

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  • Method for operating electric or hybrid vehicle and electric or hybrid vehicle
  • Method for operating electric or hybrid vehicle and electric or hybrid vehicle
  • Method for operating electric or hybrid vehicle and electric or hybrid vehicle

Examples

Experimental program
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Embodiment Construction

[0060] exist figure 1 A vehicle 2 is shown in , which is an electric or hybrid vehicle. Vehicle 2 has an on-board network 4 with an electric drive train 6 and with an electrical storage device 8 . Drive train 6 and electrical storage device 8 are part of on-board network 4 . The vehicle electrical system has a switch 10 for the electrical disconnection and connection of the electrical storage device 8 and the drive train 6 . Vehicle electrical system 4 has a capacitor 12 which can be precharged to protect drive train 6 when connected to electrical store 8 . In order to precharge capacitor 12 in precharging mode, vehicle electrical system 4 has a precharging line 14 . The on-board network 4 is currently a high-voltage on-board network and has an operating voltage of 400V. An extremely simplified equivalent circuit diagram of the vehicular network 4 is in figure 2 shown in . exist figure 1 with 2 The signaling connections for the control are shown in dotted lines, while...

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PUM

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Abstract

The invention relates to a method for operating an electric or hybrid vehicle (2) and the electric or hybrid vehicle. The vehicle (2) has an on-board network (4) with an electric drive train (6) and an electric storage device (8), the on-board network (4) having a switch (10) for electrically disconnecting and connecting the electric storage device (8) and the drive train (6), the on-board network(4) having a capacitor (12) which can be precharged to protect the drive train (6) when it is connected to the electrical storage device (8), and the on-board network (4) having a precharging circuit(14) for precharging the capacitor (12) in a precharging mode. The precharge mode is activated in a start event (S) which is triggered by a user when the vehicle (2) is started up and before an ignition unit (16) of the vehicle (2) is actuated. A corresponding electric or hybrid vehicle (2) is also specified.

Description

technical field [0001] The invention relates to a method for operating an electric or hybrid vehicle and a corresponding electric or hybrid vehicle. Background technique [0002] Electric or hybrid vehicles (vehicles for short) have an electric drive train (Antriebsstrang) with an electric machine for driving the vehicle. The drive train and thus the electric machine are supplied with electrical energy by an electric storage device. The electrical storage device is dimensioned accordingly and is connected to the drive train via a correspondingly designed on-board network. [0003] During the electrical connection of the drive train and the electrical store, high currents can occur which can lead to damage to the drive train or individual electrical components therein, in particular contactors or switches in general. This is the case in particular if the on-board system contains capacitors, such as filter capacitors or energy buffer capacitors, as part of an inverter in the...

Claims

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Application Information

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IPC IPC(8): B60L50/60B60L50/40B60L3/00B60R16/03
CPCB60L50/60B60L50/40B60L3/00B60R16/03Y02T10/70B60L53/22B60L2260/26Y02T10/7072Y02T90/14
Inventor L.施勒德
Owner VOLKSWAGEN AG
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