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WO2015128101A1 - Système d'entraînement électrique - Google Patents

Système d'entraînement électrique Download PDF

Info

Publication number
WO2015128101A1
WO2015128101A1 PCT/EP2015/050197 EP2015050197W WO2015128101A1 WO 2015128101 A1 WO2015128101 A1 WO 2015128101A1 EP 2015050197 W EP2015050197 W EP 2015050197W WO 2015128101 A1 WO2015128101 A1 WO 2015128101A1
Authority
WO
WIPO (PCT)
Prior art keywords
inverter
drive system
phase
electric drive
voltage
Prior art date
Application number
PCT/EP2015/050197
Other languages
German (de)
English (en)
Inventor
Carsten Schroeder
Martin Braun
Stefan Butzmann
Original Assignee
Robert Bosch Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Robert Bosch Gmbh filed Critical Robert Bosch Gmbh
Publication of WO2015128101A1 publication Critical patent/WO2015128101A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P25/00—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
    • H02P25/16—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the circuit arrangement or by the kind of wiring
    • H02P25/22—Multiple windings; Windings for more than three phases
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/51—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells characterised by AC-motors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
    • H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
    • H02P27/06—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters
    • H02P27/08—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters with pulse width modulation
    • H02P27/085—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters with pulse width modulation wherein the PWM mode is adapted on the running conditions of the motor, e.g. the switching frequency
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2220/00—Electrical machine types; Structures or applications thereof
    • B60L2220/50—Structural details of electrical machines
    • B60L2220/58—Structural details of electrical machines with more than three phases
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/64—Electric machine technologies in electromobility
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries

Definitions

  • the invention relates to an electric drive system, in particular for an electrically operated vehicle such as an electric car or a hybrid vehicle.
  • an inverter 102 in the form of a
  • Pulse-controlled inverter For this purpose, a DC voltage provided by a DC voltage intermediate circuit 103 can be converted into a multi-phase AC voltage, for example a three-phase AC voltage.
  • the DC intermediate circuit 103 is fed by a string 104 of serially connected battery modules 105 or any DC voltage sources.
  • Document DE 10 2011 085 731 A1 discloses an electric drive system for a six-phase motor with two inverters connected in parallel.
  • the document DE 10 2008 008 978 AI discloses modular drive converters.
  • Document DE 10 2010 001 250 A1 discloses an electric drive system for an electric machine with two
  • the present invention provides an electric drive system with a 3 * n-phase electric machine, n> l, which has at least two three-phase winding strands, a first
  • Inverter whose output terminals are connected to the phase terminals of a first of the three-phase winding phases of the electric machine, a second parallel to the first inverter switched
  • Inverter whose output terminals are connected to the phase terminals of a second of the three-phase winding phases of the electric machine, a first DC voltage source, which
  • One idea of the present invention is to control electrical machines by means of standardized power assemblies, such as inverters, for example in B6 topology.
  • standardized power assemblies such as inverters, for example in B6 topology.
  • Such inverters are available as standardized module types, which are inexpensive to procure and implement by economies of scale.
  • the modularization of the power modules advantageously increases the efficiency of the electric drive system without the implementation of the electrical machine or of the individual power units per se being more expensive or expensive.
  • simple mechanical connection means can be provided for all power modules, by means of which the system modules can be interconnected.
  • a central control device for example on a central control board, can be provided equally for all power assemblies.
  • the first and the second inverter each having a three-phase self-commutated inverter comprising three balanced half-bridges of two power semiconductor switches in series circuit.
  • the switching elements may each comprise power semiconductor switches, preferably MOSFET switches or IGBT switches. These switches are particularly durable and reliable to control.
  • the drive system may further comprise a control device, which is designed to control the power semiconductor switches of the first inverter and the second inverter, wherein the control device is arranged on a central control board for the first inverter and the second inverter.
  • the drive system may further comprise a first
  • Input terminals of the second inverter is coupled.
  • the first DC voltage source and the second DC voltage source are connected to the first DC voltage source and the second DC voltage source.
  • DC voltage source to be coupled via an electrically conductive connection.
  • Fig. 1 is a schematic representation of an exemplary conventional electric drive system
  • Fig. 2 is a schematic representation of an electric drive system according to an embodiment of the present invention.
  • FIG. 2 shows a schematic representation of an electric drive system 10 with a six-phase electrical machine 6, which may be, for example, a switched reluctance machine or a rotating field machine.
  • the electric machine 6 has two three-phase winding strands 6a and 6b which are coupled together in their neutral point or in each case in
  • the electric drive system 10 also has an inverter system of at least one first
  • Inverter 3a and a second inverter 3b In this case, the first inverter 3a feeds the first three-phase winding branch 6a of the electric machine 6 at its output terminals.
  • the second inverter 3b feeds the second three-phase winding branch 6b of the electrical machine 6 at its output terminals.
  • the inverters 3a and 3b each have a B6 full-bridge topology, that is, each of the inverters has a three-phase self-commutated inverter, the three symmetrical half-bridges of two power semiconductor switches Hl and H2, H3 and H4 or H5 and H6 in
  • the power semiconductor switches may be, for example, MOSFET switches or IGBT switches. However, it is also possible to use any other type of switching elements as switches Hl to H6 and to switch parallel to each switching element Hl to H6 a freewheeling diode.
  • a first of the phases of the three-phase winding strands 6a and 6b is coupled, at a middle tap of a second half-bridge of the inverters 3a or 3b a second of the phases of the three-phase winding strands 6a and 6b, respectively.
  • a third half-bridge of the inverters 3a and 3b a third of the phases of the three-phase winding strands 6a and 6b, respectively.
  • the first inverter 3a and the second inverter 3b can either as a separate inverter units or in a
  • a control device (not explicitly shown) may be used which, for example, on a common control board
  • the inverters 3a and 3b may each consist of a
  • DC intermediate circuit 2a and 2b are fed, which in turn is supplied by a DC voltage source la or lb, for example, a traction battery of an electric vehicle with electrical DC voltage.
  • a DC voltage source la or lb for example, a traction battery of an electric vehicle with electrical DC voltage.
  • the reference potentials of the DC voltage sources la and lb can be coupled via an electrically conductive connection.
  • DC voltage sources la and lb can, for example, a
  • Winding strands are assigned and electrically connected with selbigem.
  • DC sources la and lb can improve the performance of the electric drive system 10 while maintaining the desired
  • Power semiconductor switch Hl to H6 of the inverters 3a and 3b compared to conventional power semiconductor switches Hl to H6 are not increased.
  • the defective or defective part of the inverter system can be deactivated, and the electric machine 6 is at least temporarily by the rest
  • the electric machine 6 for example, a synchronous or asynchronous machine, a
  • Reluctance machine or a brushless DC motor (BLDC, "brushless DC motor”). It may also be possible, the electric
  • Passenger or goods transport vehicles which are designed for locomotion on or under the water, for example, ships, motor boats or the like.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Inverter Devices (AREA)
  • Control Of Ac Motors In General (AREA)

Abstract

L'invention concerne un système d'entraînement électrique, comprenant une machine électrique à 3⋅n phases, n étant strictement supérieur à 1, comprenant au moins deux enroulements de phase triphasés, un premier onduleur dont les bornes de sortie sont reliées aux bornes de phase d'un premier des enroulements de phase triphasés de la machine électrique, un deuxième onduleur monté en parallèle avec le premier onduleur et dont les bornes de sortie sont reliées au bornes de phase d'un deuxième des enroulements de phase triphasés de la machine électrique, une première source de tension électrique continue qui alimente les bornes d'entrée du premier onduleur au moyen d'une tension continue, ainsi qu'une deuxième source de tension continue qui alimente les bornes d'entrée du deuxième onduleur au moyen d'une tension continue.
PCT/EP2015/050197 2014-02-27 2015-01-08 Système d'entraînement électrique WO2015128101A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014203568.6A DE102014203568A1 (de) 2014-02-27 2014-02-27 Elektrisches Antriebssystem
DE102014203568.6 2014-02-27

Publications (1)

Publication Number Publication Date
WO2015128101A1 true WO2015128101A1 (fr) 2015-09-03

Family

ID=52446342

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2015/050197 WO2015128101A1 (fr) 2014-02-27 2015-01-08 Système d'entraînement électrique

Country Status (2)

Country Link
DE (1) DE102014203568A1 (fr)
WO (1) WO2015128101A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016215762A1 (de) 2016-08-23 2018-03-01 Volkswagen Aktiengesellschaft Elektrische Antriebsanordnung
CN112234903A (zh) * 2020-09-30 2021-01-15 环旭电子股份有限公司 车辆驱动装置及其方法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016120589A1 (de) * 2016-10-27 2018-05-03 Pierburg Gmbh Antriebssystem für ein Kraftfahrzeug
DE102019200996A1 (de) 2019-01-28 2020-07-30 Robert Bosch Gmbh Elektrische Schaltungsanordnung und Verfahren zum Betreiben einer solchen Schaltungsanordnung

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008034665A1 (de) * 2007-07-30 2009-02-26 GM Global Technology Operations, Inc., Detroit Seriell gekoppelter zweimotoriger Antrieb unter Verwendung eines doppelseitigen Wechselrichtersystems
US20130099610A1 (en) * 2011-10-19 2013-04-25 Denso Corporation Driving apparatus
DE112011102869T5 (de) * 2010-08-30 2013-06-20 Mitsubishi Electric Corp. Antriebsmodul mit integriertem Wechselrichter
WO2013131738A2 (fr) * 2012-03-06 2013-09-12 Bayerische Motoren Werke Aktiengesellschaft Véhicule pourvu d'un moteur électrique et procédé permettant de faire fonctionner ledit moteur

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7277304B2 (en) 2005-09-23 2007-10-02 Gm Global Technology Operations, Inc. Multiple inverter system with single controller and related operating method
DE102006056855A1 (de) * 2006-12-01 2008-06-05 Robert Bosch Gmbh Elektronisches Antriebssystem für ein Aggregat eines Fahrzeugs
DE102008008978B3 (de) 2008-02-13 2009-03-19 Thomas Magnete Gmbh Antriebsvorrichtung für einen Steuerschieber eines hydraulischen Ventils
DE102010001250B4 (de) 2010-01-27 2022-09-15 Seg Automotive Germany Gmbh Elektrisches Bordnetz sowie Verfahren zum Betreiben eines elektrischen Bordnetzes
DE102010001593A1 (de) * 2010-02-04 2011-08-04 Continental Automotive GmbH, 30165 Schaltungsanordnung und Verfahren und Vorrichtung zum Betreiben der Schaltungsanordnung
DE102011085731A1 (de) 2011-11-03 2013-05-08 Bayerische Motoren Werke Aktiengesellschaft Elektrisches System

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008034665A1 (de) * 2007-07-30 2009-02-26 GM Global Technology Operations, Inc., Detroit Seriell gekoppelter zweimotoriger Antrieb unter Verwendung eines doppelseitigen Wechselrichtersystems
DE112011102869T5 (de) * 2010-08-30 2013-06-20 Mitsubishi Electric Corp. Antriebsmodul mit integriertem Wechselrichter
US20130099610A1 (en) * 2011-10-19 2013-04-25 Denso Corporation Driving apparatus
WO2013131738A2 (fr) * 2012-03-06 2013-09-12 Bayerische Motoren Werke Aktiengesellschaft Véhicule pourvu d'un moteur électrique et procédé permettant de faire fonctionner ledit moteur

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016215762A1 (de) 2016-08-23 2018-03-01 Volkswagen Aktiengesellschaft Elektrische Antriebsanordnung
CN112234903A (zh) * 2020-09-30 2021-01-15 环旭电子股份有限公司 车辆驱动装置及其方法

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