WO2011009689A2 - Montage en série de régulateurs à découpage pour le transfert d'énergie dans des systèmes de batterie - Google Patents

Montage en série de régulateurs à découpage pour le transfert d'énergie dans des systèmes de batterie Download PDF

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Publication number
WO2011009689A2
WO2011009689A2 PCT/EP2010/058969 EP2010058969W WO2011009689A2 WO 2011009689 A2 WO2011009689 A2 WO 2011009689A2 EP 2010058969 W EP2010058969 W EP 2010058969W WO 2011009689 A2 WO2011009689 A2 WO 2011009689A2
Authority
WO
WIPO (PCT)
Prior art keywords
converter
battery
input
switch
output
Prior art date
Application number
PCT/EP2010/058969
Other languages
German (de)
English (en)
Other versions
WO2011009689A3 (fr
Inventor
Stefan Butzmann
Original Assignee
Sb Limotive Company Ltd.
Sb Limotive Germany 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 Sb Limotive Company Ltd., Sb Limotive Germany Gmbh filed Critical Sb Limotive Company Ltd.
Publication of WO2011009689A2 publication Critical patent/WO2011009689A2/fr
Publication of WO2011009689A3 publication Critical patent/WO2011009689A3/fr

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
    • 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
    • H02M3/00—Conversion of dc power input into dc power output
    • H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
    • H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
    • H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
    • H02M3/158—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
    • H02M3/1582—Buck-boost converters
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J2207/20—Charging or discharging characterised by the power electronics converter
    • 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
    • H02M1/0077—Plural converter units whose outputs are connected in series

Definitions

  • FIG. 1 shows a schematic diagram for a series connection of batteries.
  • a plurality of battery cells 10-1 to 10-n are connected in series to the required for example in a car for the electric motor high operating voltage by summing the voltage of the individual cells
  • the high operating voltage can be decoupled by output-side switches 1 1 -1 and 1 1 -2 of the following, not shown power electronic components such as inverters. Since the total output current of the battery due to the series connection of the battery cells 10-1, ..., 10-n in each of the battery cells 10-1, ..., 10-n flows, wherein the charge transport by electrochemical processes within the battery cells 10-1, ..., 10-n happens, the failure of a single battery cell in the extreme case means that the entire arrangement can no longer provide electricity and thus no electrical energy.
  • a so-called battery management system 12 is usually used, which is connected to both poles of each of the battery cells 10-1,. n is connected or connectable and at regular or selectable intervals operating parameters such as voltage and temperature of each battery cell 10-1, ..., 10-n and from this determines their state of charge (SoC).
  • SoC state of charge
  • Conditions for the operating voltage to be provided, the maximum current and the stored energy are provided for different operating states of the device to be operated with the battery, which can only be combined if a higher number of battery cells is coupled than to meet the individual requirements actually necessary. This increases the price and the particular in an electric car disturbing weight and volume of the battery system.
  • circuit breakers 1 1 -1 and 1 1 -2 In order to switch the battery system voltage-free, ie to separate the actual battery from the load, circuit breakers 1 1 -1 and 1 1 -2 must be provided, which typically designed as contactors and which are very expensive for the expected high currents and voltages are. Disclosure of the invention
  • the invention has for its object to introduce a device which can overcome the above-mentioned disadvantages of the prior art.
  • a first aspect of the invention relates to a power transformer for a battery system comprising a plurality of DC / DC converters each having a first and a second input and a first and a second output.
  • the first and second inputs of the DC / DC converters are designed to connect a battery module.
  • the DC / DC converters are on the output side in
  • the invention has the advantage that the choice of a suitable total voltage depending on the operating situation is possible, since the output voltage of the individual DC / DC converter can be set in a known manner.
  • the output voltage is independent of the number of primary side connected battery cells.
  • the design of the battery system can be carried out purely in accordance with energy and performance criteria independently of the total voltage required for the respective application.
  • Another advantage is that the expensive contactors 1 1 -1 and 1 1 -2 omitted, because the high voltage at the battery output can be switched off by switching off the DC / DC converter in a simple manner.
  • the second output of a respective DC / DC converter can be directly connected to the second input of the respective one DC / DC converter.
  • the DC / DC converters each have a coil, first to fourth switches and a controller for controlling the first to fourth switches, the first switch between the first input and a first terminal of the coil , the second switch between the first terminal of the coil and the second input, the third switch between a second terminal of the coil and the second input and the fourth switch between the second terminal of the coil and the first output are connected.
  • This embodiment of a buck-boost converter has low complexity in terms of circuitry and allows simple control of the output voltage to be generated.
  • each controller preferably has a first control input for a first control signal and is configured, upon receipt of the first control signal, to connect the first output of the DC / DC converter to the second output of the DC / DC converter by closing the third switch and electrically connect the fourth switch and decouple the first input of the DC / DC converter by opening the first switch.
  • This embodiment makes it possible to selectively switch off a DC / DC converter during operation, for example because a battery cell of the battery module connected on the input side is defective. By closing the third switch, the first and the second output of the failed DC / DC converter are conductively connected to each other, so that in the overall arrangement, an output current can continue to flow.
  • each of the DC / DC converter via a second control input for a second control signal and is adapted to increase the reception of the second control signal, a voltage between the first and the second output of the DC / DC converter , This makes it possible to reduce the total voltage by the already described shutdown of a single DC / DC
  • Counteract converter so that further provided an at least approximately unchanged total voltage of the reduced number DC / DC converter. It is also possible to increase the total voltage with a constant number of DC / DC converters and thus to adapt to a different operating situation.
  • a second aspect of the invention introduces a battery system having an energy exchanger according to the first aspect of the invention and a plurality of battery modules.
  • the battery modules each have at least one battery cell.
  • the battery poles of the battery modules are equipped with a corresponding gear of the first and second inputs of a DC / DC converter of the energy transfer releasably connected.
  • a third aspect of the invention relates to a motor vehicle with an energy exchanger according to the first aspect of the invention.
  • Fig. 2 shows a first embodiment of the invention
  • Fig. 3 is a circuit diagram of a designed as a buck-boost converter DC / DC converter.
  • Fig. 2 shows a first embodiment of the invention.
  • three DC / DC converters 21 -1, 21 -2 and 21 -3 can be seen, but in real applications their number can be significantly higher.
  • Each of the DC / DC converters 21 -1, 21 -2, 21 -3 is the input side connected to a battery module 20-1, 20-2, 20-3, which in the example each have a plurality of series-connected battery cells.
  • the outputs of the DC / DC converters 21 -1, 21 -2, 21 -3 are connected in series, so that the total voltage between the outputs 22-1 and 22-2 of the arrangement as the sum of the individual voltages generated by the DC / DC converters 21 -1, 21 -2, 21 -3.
  • the DC / DC converters 21 -1, 21 -2, 21 -3 are constructed in a known manner and allow adjustment of the at the first and second outputs of each DC / DC converter 21 -1, 21 -2, 21 -3 applied output voltage or switching off the DC / DC converter 21 -1, 21 -2, 21 -3, so that no DC / DC implementation takes place more.
  • the total voltage at the outputs 22-1 and 22-2 can be adapted flexibly to the respective operating situation, which represents one of the advantages of the invention.
  • Dashed lines within the DC / DC converters 21 -1, 21 -2, 21 -3 indicate the electrically conductive connections between in each case one input and one output of the DC / DC converter
  • FIG. 3 shows a circuit diagram of a known DC / DC converter 31 designed as a buck-boost converter. Between a first input 32-1 and a second input 32-2, a battery module 30 having one or more battery cells 30-1 be connected to 30-n detachably.
  • the DC / DC converter 31 has first through fourth switches S1, S2, S3, S4 and a coil L1.
  • the DC / DC converter has a first and a second output 33-1, 33-2 and is designed to generate a DC voltage between these outputs 33-1, 33-2, the amount of which is determined in a known manner by selecting the switching periods the first to fourth switches S1, S2, S3, S4 is independent of the DC voltage of the battery module 30 is adjustable.
  • the buck-boost converter is operated alternately in two different states.
  • the first switch S1 and the third switch S3 are closed (that is, brought into the conducting state) and the second switch S2 and the fourth switch S4 are opened (ie brought into the non-conducting state).
  • the battery module 30 flows in the sequence, a current through the coil L1, which builds up a magnetic field in the coil L1.
  • the first switch S1 and the third switch S3 are now opened and the second switch S2 and the fourth switch S4 are closed. This will do that
  • Battery module 30 separated from the coil L1 and the input to the negative pole of the battery module 30 and the output connected to the first output 33-1. Since the coil L1 counteracts the change in the current flowing through it, it feeds an output current from its magnetic field and breaks it down. If this process is repeated quickly, it is between the
  • Outputs 33-1, 33-2 a DC voltage whose size depends among other things on the frequency of repetition.
  • a controller that adapts the timing of the switch S1 to S4 to the operating situation. It is also customary to provide a feedback in which the output voltage applied to the outputs 33-1, 33-2 is provided. determined and used to adjust the timing of the switches S1 to S4, so that there is a stable output voltage as possible. For better smoothing of the output voltage, a buffer capacitor may be provided between the outputs 33-1, 33-2. In the context of the invention, these properties of DC / DC converters permit the setting of a desired total voltage of the arrangement according to the invention depending on the operating situation or also the switching off of one or all DC / DC converters.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Dc-Dc Converters (AREA)

Abstract

L'invention concerne un transformateur d'énergie pour un système de batterie, un système de batterie muni d'un tel transformateur d'énergie, ainsi qu'un véhicule équipé d'un tel système de batterie. Le transformateur selon l'invention comprend une pluralité de convertisseurs de type continu-continu présentant respectivement une première et une deuxième entrée et une première et une deuxième sortie, les première et deuxième entrées servant au raccordement d'un module de batterie et les convertisseurs continu-continu étant montés en série côté sortie. Selon l'invention, les convertisseurs continu-continu sont réalisés en tant que convertisseurs abaisseurs-élévateurs.
PCT/EP2010/058969 2009-07-20 2010-06-24 Montage en série de régulateurs à découpage pour le transfert d'énergie dans des systèmes de batterie WO2011009689A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009027836.2 2009-07-20
DE102009027836A DE102009027836A1 (de) 2009-07-20 2009-07-20 Serienschaltung von Schaltreglern zur Energieübertragung in Batteriesystemen

Publications (2)

Publication Number Publication Date
WO2011009689A2 true WO2011009689A2 (fr) 2011-01-27
WO2011009689A3 WO2011009689A3 (fr) 2011-05-12

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PCT/EP2010/058969 WO2011009689A2 (fr) 2009-07-20 2010-06-24 Montage en série de régulateurs à découpage pour le transfert d'énergie dans des systèmes de batterie

Country Status (2)

Country Link
DE (1) DE102009027836A1 (fr)
WO (1) WO2011009689A2 (fr)

Cited By (10)

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US10807481B1 (en) 2019-03-29 2020-10-20 Tae Technologies, Inc. Module-based energy systems having converter-source modules and methods related thereto
US10821843B2 (en) 2018-03-22 2020-11-03 Tae Technologies, Inc. Systems and methods for power management and control
US11133739B2 (en) 2017-06-16 2021-09-28 Tae Technologies, Inc. Multi-level hysteresis voltage controllers for voltage modulators and methods for control thereof
US20210316621A1 (en) 2020-04-14 2021-10-14 Tae Technologies, Inc. Systems, devices, and methods for charging and discharging module-based cascaded energy systems
US11201563B2 (en) 2017-06-12 2021-12-14 Tae Technologies, Inc. Multi-level multi-quadrant hysteresis current controllers and methods for control thereof
CN116094119A (zh) * 2023-02-23 2023-05-09 北京索英电气技术股份有限公司 一种重构的电化学储能系统及方法
US11794599B2 (en) 2020-05-14 2023-10-24 Tae Technologies, Inc. Systems, devices, and methods for rail-based and other electric vehicles with modular cascaded energy systems
US11845356B2 (en) 2020-09-30 2023-12-19 Tae Technologies, Inc. Systems, devices, and methods for intraphase and interphase balancing in module-based cascaded energy systems
US11888320B2 (en) 2021-07-07 2024-01-30 Tae Technologies, Inc. Systems, devices, and methods for module-based cascaded energy systems configured to interface with renewable energy sources
US11894781B2 (en) 2020-09-28 2024-02-06 Tae Technologies, Inc. Multi-phase module-based energy system frameworks and methods related thereto

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CN112039340B (zh) * 2020-08-26 2021-07-20 武汉大学 一种采用双向buck-boost及串联LC的电压均衡拓扑及控制方法

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Cited By (26)

* Cited by examiner, † Cited by third party
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US11973436B2 (en) 2017-06-12 2024-04-30 Tae Technologies, Inc. Multi-level multi-quadrant hysteresis current controllers and methods for control thereof
US11201563B2 (en) 2017-06-12 2021-12-14 Tae Technologies, Inc. Multi-level multi-quadrant hysteresis current controllers and methods for control thereof
US11626791B2 (en) 2017-06-16 2023-04-11 Tae Technologies, Inc. Multi-level hysteresis voltage controllers for voltage modulators and methods for control thereof
US11133739B2 (en) 2017-06-16 2021-09-28 Tae Technologies, Inc. Multi-level hysteresis voltage controllers for voltage modulators and methods for control thereof
US11881761B2 (en) 2017-06-16 2024-01-23 Tae Technologies, Inc. Multi-level hysteresis voltage controllers for voltage modulators and methods for control thereof
US10821843B2 (en) 2018-03-22 2020-11-03 Tae Technologies, Inc. Systems and methods for power management and control
US11840150B2 (en) 2018-03-22 2023-12-12 Tae Technologies, Inc. Systems and methods for power management and control
US11840149B2 (en) 2018-03-22 2023-12-12 Tae Technologies, Inc. Systems and methods for power management and control
US11884167B2 (en) 2019-03-29 2024-01-30 Tae Technologies, Inc. Module-based energy systems having converter-source modules and methods related thereto
US11135923B2 (en) 2019-03-29 2021-10-05 Tae Technologies, Inc. Module-based energy systems capable of cascaded and interconnected configurations, and methods related thereto
US10807482B1 (en) 2019-03-29 2020-10-20 Tae Technologies, Inc. Module-based energy systems having converter-source modules and methods related thereto
US11964573B2 (en) 2019-03-29 2024-04-23 Tae Technologies, Inc. Module-based energy systems having converter-source modules and methods related thereto
US11603001B2 (en) 2019-03-29 2023-03-14 Tae Technologies, Inc. Module-based energy systems having converter-source modules and methods related thereto
US10807481B1 (en) 2019-03-29 2020-10-20 Tae Technologies, Inc. Module-based energy systems having converter-source modules and methods related thereto
US11597284B2 (en) 2019-03-29 2023-03-07 Tae Technologies, Inc. Module-based energy systems capable of cascaded and interconnected configurations, and methods related thereto
US11897347B2 (en) 2020-04-14 2024-02-13 Tae Technologies, Inc. Systems, devices, and methods for charging and discharging module-based cascaded energy systems
US20210316621A1 (en) 2020-04-14 2021-10-14 Tae Technologies, Inc. Systems, devices, and methods for charging and discharging module-based cascaded energy systems
US11827115B2 (en) 2020-05-14 2023-11-28 Tae Technologies, Inc. Systems, devices, and methods for rail-based and other electric vehicles with modular cascaded energy systems
US11794599B2 (en) 2020-05-14 2023-10-24 Tae Technologies, Inc. Systems, devices, and methods for rail-based and other electric vehicles with modular cascaded energy systems
US11894781B2 (en) 2020-09-28 2024-02-06 Tae Technologies, Inc. Multi-phase module-based energy system frameworks and methods related thereto
US11923782B2 (en) 2020-09-28 2024-03-05 Tae Technologies, Inc. Multi-phase module-based energy system frameworks and methods related thereto
US11845356B2 (en) 2020-09-30 2023-12-19 Tae Technologies, Inc. Systems, devices, and methods for intraphase and interphase balancing in module-based cascaded energy systems
US11888320B2 (en) 2021-07-07 2024-01-30 Tae Technologies, Inc. Systems, devices, and methods for module-based cascaded energy systems configured to interface with renewable energy sources
US11942788B2 (en) 2021-07-07 2024-03-26 Tae Technologies, Inc. Systems, devices, and methods for module-based cascaded energy systems configured to interface with renewable energy sources
CN116094119B (zh) * 2023-02-23 2023-09-05 北京索英电气技术股份有限公司 一种重构的电化学储能系统及方法
CN116094119A (zh) * 2023-02-23 2023-05-09 北京索英电气技术股份有限公司 一种重构的电化学储能系统及方法

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Publication number Publication date
WO2011009689A3 (fr) 2011-05-12
DE102009027836A1 (de) 2011-01-27

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