WO2017016828A1 - Ondulateur polyphasé - Google Patents

Ondulateur polyphasé Download PDF

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Publication number
WO2017016828A1
WO2017016828A1 PCT/EP2016/065920 EP2016065920W WO2017016828A1 WO 2017016828 A1 WO2017016828 A1 WO 2017016828A1 EP 2016065920 W EP2016065920 W EP 2016065920W WO 2017016828 A1 WO2017016828 A1 WO 2017016828A1
Authority
WO
WIPO (PCT)
Prior art keywords
battery
input terminal
inverter
switch
node
Prior art date
Application number
PCT/EP2016/065920
Other languages
German (de)
English (en)
Inventor
Taleb Janbein
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
Priority to CN201680043954.8A priority Critical patent/CN107852086B/zh
Priority to EP16736110.4A priority patent/EP3329582A1/fr
Publication of WO2017016828A1 publication Critical patent/WO2017016828A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/10—Arrangements incorporating converting means for enabling loads to be operated at will from different kinds of power supplies, e.g. from ac or dc
    • 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
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/18—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules
    • B60L58/19—Switching between serial connection and parallel connection of battery modules
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
    • H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
    • H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M7/483—Converters with outputs that each can have more than two voltages levels
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/0067—Converter structures employing plural converter units, other than for parallel operation of the units on a single load
    • H02M1/0074—Plural converter units whose inputs are connected in series
    • 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 a polyphase inverter for controlling a multiphase consumer, which has a plurality of input terminals for
  • Connection of at least a first battery and a second battery and a plurality of phase outputs for connection of the consumer comprises.
  • inverters For driving a multiphase consumer, for example a three-phase electric motor, it is known to use inverters. Such inverters are also referred to as inverters.
  • the inverter makes it possible to feed the load from a DC voltage source, such as a battery.
  • Inverters are used in particular in electric vehicles for driving a three-phase electric motor. Inverters
  • Photovoltaic system is generated to feed into an existing supply network.
  • Inverter the consumer can be fed either from the first battery, from the second battery or from a series connection of both batteries. As a result, the consumer can be supplied with different voltages.
  • Such inverters are also referred to as multilevel inverters.
  • a generic inverter is known from DE 10 2012 012 048 AI.
  • the inverter comprises several input terminals to which two capacitors are connected, and three phase outputs for connecting a three-phase machine.
  • Each of the three phase outputs is assigned a bridge circuit with controllable switches, by which the respective phase output can be connected to the various input terminals.
  • controllable switches and with two phase outputs By appropriate control of the switch three different voltages between the phase outputs are adjustable.
  • DE 10 2013 215 572 A1 discloses an energy storage device with two phase outputs.
  • the energy storage device has a plurality of multi-voltage stage converters, which are also referred to as multilevel converters.
  • the inverter includes several components
  • Input terminals for connecting at least a first battery and a second battery and a plurality of phase outputs for connecting the consumer.
  • Each phase output is assigned a bridge circuit with controllable switches, by means of which the phase output can be connected to various input terminals.
  • each bridge circuit has an input switch, a plurality of node switches and an output switch.
  • the input switch of each bridge circuit is connected to a first input terminal and to the phase output.
  • the node switches of each bridge circuit are connected to one of the remaining input terminals and to a node.
  • the output switch of each bridge circuit is connected to the node and to the phase output. So that the phase output can be connected optionally to the first input terminal as well as to the node.
  • three phase outputs are provided for connecting a three-phase load, for example a three-phase motor.
  • the switches comprise at least one transistor, a diode and a drive unit.
  • the diode is connected to the transistor in such a way that a current can flow in a predetermined direction, even if the transistor is turned off.
  • the transistor is preferably a
  • IGBT insulated gate bipolar transistor
  • the first input terminal and a second
  • Input terminal for connection of the first battery provided, and a third input terminal and a fourth input terminal are provided for connection of the second battery.
  • the inverter is designed such that when open
  • Switching the first input terminal and the second input terminal are electrically isolated from the third input terminal and the fourth input terminal.
  • each bridge circuit has a primary node switch connected to the second input terminal and to the node.
  • the primary node switch is thus connected to the first battery as well as the input switch.
  • Primary node switch designed as anti-parallel switch and each comprise two transistors, two diodes and a drive unit.
  • the diodes are connected to the transistors in such a way that a current can not flow in any direction when the transistors block.
  • the inverter is designed such that, when both batteries are connected, with the switches open, the first battery is galvanically isolated from the second battery.
  • An inverter according to the invention advantageously finds use in an electric vehicle (EV), in a hybrid vehicle (HEV), in a plug-in hybrid vehicle (PHEV), in particular for driving a three-phase electric motor, or in a photovoltaic system.
  • EV electric vehicle
  • HEV hybrid vehicle
  • PHEV plug-in hybrid vehicle
  • Inverter is basically used everywhere, if two batteries
  • the connected consumer can be fed either from the first battery, from the second battery or from a series connection of both batteries.
  • the connected consumer can be supplied with different high voltages.
  • Inverter the functionality of a multilevel inverter.
  • the voltage of the first battery may be greater than the voltage of the second battery.
  • the consumer is initially fed exclusively from the first battery, which has the higher voltage and thus the higher state of charge. Only when the first battery is discharged to the extent that the charge states of the two batteries are approximately equal, the connected load from both batteries is powered. In such a parallel connection of a first battery with a higher state of charge and a second battery with a lower state of charge, the first battery is thus initially discharged until the states of charge of both batteries are approximately equalized. Thereafter, both batteries are discharged approximately similarly. Thus, with a supply of the
  • FIG. 1 shows a schematic representation of a polyphase, in particular three-phase, inverter
  • Figure 2 is a schematic representation of a switch of the inverter of Figure 1 and
  • Figure 3 is a schematic representation of a primary node switch of
  • Figure 1 shows a schematic representation of a multi-phase, in particular three-phase inverter 10.
  • the inverter 10 includes a first entry terminal 25, a second entry terminal 26, a third
  • Entrance terminal 27 and a fourth input terminal 28 are included in Entrance terminal 27 and a fourth input terminal 28.
  • a positive pole of a first battery 21 is connected to the first input terminal 25.
  • a negative pole of the first battery 21 is connected to the second one
  • Input terminal 26 connected.
  • a positive pole of a second battery 22 is connected to the third input terminal 27.
  • a negative pole of the second battery 22 is connected to the fourth input terminal 28.
  • the first battery 21 supplies a first battery voltage U B1, which is present between the first input terminal 25 and the second input terminal 26.
  • the second battery 22 supplies a second battery voltage U B2, which is applied between the third input terminal 27 and the fourth input terminal 28.
  • the inverter 10 further includes a first phase output 51, a second phase output 52 and a third phase output 53.
  • a consumer 50 is connected to the phase outputs 51, 52, 53.
  • the consumer 50 is in the present case designed in three phases and has a first strand 61, a second strand 62 and a third strand 63.
  • the first strand 61 is connected to the first phase output 51
  • the second strand 62 is connected to the second phase output 52
  • the third strand 63 is connected to the third phase output 53.
  • the first strand 61 of the load 50 comprises a load, which in the present case is shown as a series circuit of an inductance and an ohmic load.
  • the second leg 62 comprises a load, which is shown as a series circuit of an inductance and a resistive load.
  • the third strand 63 includes a load referred to as
  • the first phase output 51 is assigned a first bridge circuit 31.
  • the second phase output 52 is a second bridge circuit 32
  • the third phase output 53 is assigned a third bridge circuit 33.
  • the first bridge circuit 31 comprises a first input switch S1 connected to the first input terminal 25 and to the first input terminal S1
  • Phase output 51 is connected.
  • the second bridge circuit 32 comprises a second input switch S6, which is connected to the first input terminal 25 and to the second phase output 52.
  • Bridge circuit 33 includes a third input switch Sil connected to the first input terminal 25 and to the third phase output 53.
  • the first bridge circuit 31 comprises a first primary node switch S2, which is connected to the second input terminal 26 and to a first node 41.
  • the second bridge circuit 32 includes a second one
  • Primary node switch S7 which is connected to the second input terminal 26 and to a second node 42.
  • the third bridge circuit 33 comprises a third primary node switch S12, which is connected to the second input terminal 26 and to a third node 43.
  • the first bridge circuit 31 comprises a first secondary node switch S3 which is connected to the third input terminal 27 and to the first node 41.
  • the second bridge circuit 32 includes a second one
  • the third bridge circuit 33 comprises a third secondary node switch S13, which is connected to the third
  • the first bridge circuit 31 includes a first tertiary node switch S5 connected to the fourth input terminal 28 and to the first node 41.
  • the second bridge circuit 32 includes a second one
  • the third bridge circuit 33 includes a third tertiary node circuit S15 connected to the fourth input terminal 28 and to the third node 43.
  • the first bridge circuit 31 includes a first output switch S4 connected to the first node 41 and to the first phase output 51.
  • the second bridge circuit 32 includes a second one
  • Output switch S9 which is connected to the second node 42 and the second phase output 52.
  • the third bridge circuit 33 includes a third output switch S14 connected to the third node 43 and to the third phase output 53.
  • the connected load 50 can be fed either from the first battery 21, from the second battery 22, as well as from a series circuit of the first battery 21 and second battery 22.
  • the consumer 50 can be powered by a parallel connection of the first battery 21 and second battery 22 with appropriate control of the switch Sl to S15.
  • the consumer 50 is supplied with alternating output voltages U1, U2, U3, which have a phase offset to each other.
  • Table 4 the consumer 50 is from a parallel circuit of the first
  • Battery voltage UB2 is a real parallel connection. Then:
  • Battery voltage UB2 there is no current flow through the diode 81.
  • the load 50 is fed exclusively by the first battery 21.
  • FIG. 2 shows schematically the structure of an input switch Sl, S6, Sil, an output switch S4, S9, S14, a secondary node switch S3, S8, S13 and a Tertiärknotenschalters S5, S10, S15.
  • the said switches each comprise a transistor 80, which in the present case is designed as a bipolar transistor.
  • the transistor 80 includes a base B, an emitter E, and a collector C.
  • the transistor 80 may also be implemented as an insulated gate bipolar transistor (IGBT) and in this case comprises a gate instead of the base B.
  • IGBT insulated gate bipolar transistor
  • a diode 81 is connected in parallel.
  • the base B is connected to a drive unit 82.
  • the transistor 80 can be turned off or turned on. Accordingly, the affected switch is opened or closed.
  • FIG. 3 shows a primary node switch S2, S7, S12.
  • the primary node switch S2, S7, S12 comprises a first transistor 80 and a second transistor 80 as well as a first diode 81 and a second diode 81.
  • the two transistors 80 are in the present case designed as a bipolar transistor and each comprise a base B, an emitter E and a collector C.
  • the transistors 80 may also be embodied as an insulated gate bipolar transistor (IG BT) and in this case each comprise a gate instead of the base B.
  • IG BT insulated gate bipolar transistor
  • each of the two transistors 80 Between the emitter E and the collector C of each of the two transistors 80, one of the two diodes 81 is connected in parallel.
  • the bases B of both transistors 80 are connected to a common drive unit 82. Both transistors 80 are driven by the common drive unit 82.

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)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

La présente invention concerne un onduleur polyphasé (10) servant à la commande d'un consommateur (50) polyphasé et comportant plusieurs bornes d'entrée (25, 26, 27, 28) pour le branchement d'au moins une première batterie (21) et d'une seconde batterie (22) ainsi que plusieurs sorties de phase (51, 52, 53) pour le branchement du consommateur (50). Un circuit en pont (31, 32, 33) ayant des interrupteurs (S1, S2, S3, S4, S5 ; S6, S7, S8, S9, S10 ; S11, S12, S13, S14, S15) pouvant être commandés, par le biais desquels la sortie de phase (51, 52, 53) peut être reliée aux différentes bornes d'entrée (25, 26, 27, 28), est associé à chaque sortie de phase (51, 52, 53). Selon l'invention, chaque circuit en pont (31, 32, 33) comprend un interrupteur d'entrée (S1 ; S6 ; S11) qui est relié à une première borne d'entrée (25) et à la sortie de phase (51, 52, 53), plusieurs interrupteurs de nœud (S2, S3, S5 ; S7, S8, S10 ; S12, S13, S15) qui sont reliés aux autres bornes d'entrée (26, 27, 28) et à un point nodal (41, 42, 43), et un interrupteur de sortie (S4 ; S9, S14) qui est relié au point nodal (41, 42, 43) et à la sortie de phase (51, 52, 53).
PCT/EP2016/065920 2015-07-28 2016-07-06 Ondulateur polyphasé WO2017016828A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201680043954.8A CN107852086B (zh) 2015-07-28 2016-07-06 多相逆变器
EP16736110.4A EP3329582A1 (fr) 2015-07-28 2016-07-06 Ondulateur polyphasé

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015214276.0A DE102015214276A1 (de) 2015-07-28 2015-07-28 Mehrphasiger Wechselrichter
DE102015214276.0 2015-07-28

Publications (1)

Publication Number Publication Date
WO2017016828A1 true WO2017016828A1 (fr) 2017-02-02

Family

ID=56368963

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2016/065920 WO2017016828A1 (fr) 2015-07-28 2016-07-06 Ondulateur polyphasé

Country Status (4)

Country Link
EP (1) EP3329582A1 (fr)
CN (1) CN107852086B (fr)
DE (1) DE102015214276A1 (fr)
WO (1) WO2017016828A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3736166A1 (fr) 2019-05-07 2020-11-11 Volvo Car Corporation Système et procédé d'équilibrage de l'état de charge dans un système de propulsion d'un véhicule électrique
EP4219215A3 (fr) 2019-05-07 2023-08-09 Volvo Car Corporation Système et procédé de gestion de défaillance dans un système de propulsion pour un véhicule électrique
EP3736167A1 (fr) 2019-05-07 2020-11-11 Volvo Car Corporation Système et procédé de gestion de défaut dans un système de propulsion d'un véhicule électrique

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060006832A1 (en) * 2004-07-07 2006-01-12 Nissan Motor Co., Ltd. Power conversion and vehicle
US20080024078A1 (en) * 2004-06-03 2008-01-31 Toyota Jidosha Kabushiki Kaisha Power Conversion Device and Vehicle Equipped Therewith
US20100013301A1 (en) * 2006-11-13 2010-01-21 Toyota Jidosha Kabushiki Kaisha Electric power supply system
DE102014223227A1 (de) * 2014-11-13 2015-05-21 Schaeffler Technologies AG & Co. KG Antriebseinrichtung und Verfahren zum Betrieb einer Antriebseinrichtung

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011056135B4 (de) 2011-12-07 2015-05-13 Refusol Gmbh Energieerzeugungsanlage mit einem Energiespeichersystem und zugehöriges Betriebsverfahren
DE102012012048A1 (de) 2012-06-19 2013-12-19 Robert Bosch Gmbh Mehrphasige Wechselrichterbrücke und Verfahren zur Stillsetzung einer Achse
DE102012212556A1 (de) 2012-07-18 2014-01-23 Robert Bosch Gmbh Batterie mit einer Mehrzahl von Batteriemodulen und Verfahren zur Erzeugung einer stufenweise einstellbaren Batteriespannung
DE102013215572A1 (de) 2013-08-07 2015-02-12 Robert Bosch Gmbh Elektrische Energiespeichervorrichtung und Verfahren zum Hochfahren der Spannung an deren Anschlüssen

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080024078A1 (en) * 2004-06-03 2008-01-31 Toyota Jidosha Kabushiki Kaisha Power Conversion Device and Vehicle Equipped Therewith
US20060006832A1 (en) * 2004-07-07 2006-01-12 Nissan Motor Co., Ltd. Power conversion and vehicle
US20100013301A1 (en) * 2006-11-13 2010-01-21 Toyota Jidosha Kabushiki Kaisha Electric power supply system
DE102014223227A1 (de) * 2014-11-13 2015-05-21 Schaeffler Technologies AG & Co. KG Antriebseinrichtung und Verfahren zum Betrieb einer Antriebseinrichtung

Also Published As

Publication number Publication date
EP3329582A1 (fr) 2018-06-06
CN107852086B (zh) 2020-03-03
CN107852086A (zh) 2018-03-27
DE102015214276A1 (de) 2017-02-02

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