Unlock instant, AI-driven research and patent intelligence for your innovation.

Method for operating an energy supply unit for an on-board power system of a motor vehicle

A vehicle-mounted power grid and power supply unit technology, applied in the field of computing units, can solve problems such as automatic separation of vehicle-mounted power grids

Active Publication Date: 2015-10-07
ROBERT BOSCH GMBH +1
View PDF5 Cites 2 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Here too, voltage levels that are too low are problematic, so that an automatic separation from the vehicle electrical system also occurs in the event of an undervoltage (Unterspannung)

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Method for operating an energy supply unit for an on-board power system of a motor vehicle

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0024] exist figure 1 A vehicle electrical system according to a preferred embodiment of the invention is shown in and generally designated 100 . Vehicle electrical system 100 has a generator system 1 as a power supply unit with an electric machine operable as an alternator 20 with a stator winding 21 and a rotor winding 22 . The rotor winding 22 is preferably clocked by a generator regulator or field regulator 40 . The alternator 20 can be designed, for example, as a toothed electrode generator. The generator arrangement also has a rectifier or converter 30 , which is designed to rectify the alternating voltage generated by the alternator and to supply the connections B+ and B− as onboard electrical system voltage. The converter 30 has active switching elements, such as MOSFETs, and operates in a known manner. The generator system 1 or the converter 30 has a rectifier control unit (not shown) for this purpose. As far as motor mode operation of the electric motor is concer...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention relates to a method for operating an energy supply unit (100) for an on-board power system (30, 31) of a motor vehicle, wherein the energy supply unit (1) has an electrical machine (20) with a stator winding (21) and a rotor winding (22), a generator regulator (40) which is assigned to the rotor winding (22) and has the purpose of presetting the current flowing through the rotor winding (22), and a rectifier (30) with rectifier elements, wherein an imminent change in configuration of the on-board power system (100) is signalled and in response the magnitude of the current flowing through the rotor winding (22) is changed.

Description

technical field [0001] The invention relates to a method for operating a power supply unit of an on-board electrical system of a motor vehicle, and to a computing unit for carrying out the method. Background technique [0002] The generator equipment used for the on-board power grid of motor vehicles can have: a separately excited motor (generally an alternator) with a rotor winding (excitation winding) and a stator winding, followed by a rectifier connected to the stator winding (generally a converter generator) and generator regulators (so-called field regulators), which regulate the voltage generated by the electric machine by means of the current through the rotor winding (field current). Such generator systems are used in various situations in the on-board electrical system of a motor vehicle. [0003] As explained, for example, in DE 10 2009 046 955 A1, it is advantageous to use an active bridge converter for rectification, since it has a lower loss of power. [000...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): H02J7/16H02P9/48B60R16/03H02J7/14
CPCB60R16/03H02J7/1438H02J7/16H02P9/48H02J2310/46
Inventor S.米滕斯
Owner ROBERT BOSCH GMBH