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

Drive system of a battery-operated vehicle with a frequency converter fed permanently excited synchronous machine

A synchronous motor and drive system technology, applied in electric braking systems, vehicle components, electric vehicles, etc., can solve the problems of large installation space, the implementation form cannot be applied to the drive system, etc., and achieve the effect of high efficiency

Active Publication Date: 2014-05-14
法雷奥西门子电动汽车德国有限责任公司
View PDF8 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Owing to the limited number of permissible switching gaps under load, the embodiment of device 26 cannot be used in a drive system 2 of a battery-operated vehicle.
In addition, electromechanical devices require a larger installation space than electronic devices, and moreover, electromechanical devices in battery-operated vehicles are no longer trendy

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
  • Drive system of a battery-operated vehicle with a frequency converter fed permanently excited synchronous machine
  • Drive system of a battery-operated vehicle with a frequency converter fed permanently excited synchronous machine
  • Drive system of a battery-operated vehicle with a frequency converter fed permanently excited synchronous machine

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0027] Due to the schematic representation of the drive system 2 according to FIG. 1 , in Figure 7 Only the snubber capacitor 18 , the self-commutated converter 8 and the permanently excited synchronous machine 10 are shown. Furthermore, the block diagram shows an embodiment according to the invention of a device 26 by means of which the stator-side terminals U, V and W of a permanently excited synchronous machine 10 can be short-circuited for a predetermined period of time. For this purpose, the device has three thyristors 44 which are electrically connected in a delta. One connection point 38 , 40 and 42 of the two thyristors 44 is electrically conductively connected to the stator-side terminal U or V or W of the permanently excited synchronous machine 10 . If the IGBT pulse converter 8 or its control and regulation device 24 is interrupted due to a fault, especially in field weakening operation of a permanently excited synchronous machine 10, the three thyristors 44 are t...

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 drive system (2) of a battery-operated vehicle having a permanently excited synchronous machine (10), the stator-side connections (U, V, W) of which are connected in an electrically conductive manner to connections (R, S, T) on the alternating voltage side of a self-commutated power converter (8), and having a device (26) for the controlled short-circuiting of the stator-side connections (U, V, W) of the permanently excited synchronous machine (10). According to the invention, said device (26) has three thyristors (44) that are electrically delta-connected. A drive system (2) of a battery-operated vehicle is thus obtained, wherein any braking moment that occurs can be minimised for a predefined time period in said system in the event of a fault in the self-commutated power converter (8) or in the control and regulation device (24) thereof, such that the battery-operated vehicle remains track-stable in the event of said fault.

Description

technical field [0001] The invention relates to a drive system for a battery-operated vehicle according to the preamble of claim 1 . Background technique [0002] A drive system for a battery-operated vehicle is known from DE 10 2009 044 281 A1 and is shown in detail in FIG. 1 . In said block diagram of the known drive system denoted by 2, the energy store is denoted by 4, the bidirectional direct current converter is denoted by 6, the self-commutated converter is denoted by 8, the self-commutated converter A drive motor, in particular a permanently excited synchronous machine, is denoted by 10, also known as a pulse converter, and a drive shaft or drive wheels of a battery-operated vehicle are denoted by 12. For this purpose, the bidirectional DC voltage converter 6 , which converts the voltage of an energy store 4 , for example a battery, into a DC voltage of a pulse converter 8 , has two switchable semiconductors T8 and T10 electrically connected in series, in particular...

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
IPC IPC(8): B60L7/02B60L7/00
CPCB60L7/003B60L3/003B60L3/0076
Inventor 京特·施韦西希胡贝特·席尔林汉诺·瓦尔德斯
Owner 法雷奥西门子电动汽车德国有限责任公司
Features
  • R&D
  • Intellectual Property
  • Life Sciences
  • Materials
  • Tech Scout
Why Patsnap Eureka
  • Unparalleled Data Quality
  • Higher Quality Content
  • 60% Fewer Hallucinations
Social media
Patsnap Eureka Blog
Learn More

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2025 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com