EP3465896A1 - Dispositif de conversion de tension continue équipé d'une cascade faite d'un convertisseur de résonance isolé et d'un convertisseur élévateur/abaisseur - Google Patents

Dispositif de conversion de tension continue équipé d'une cascade faite d'un convertisseur de résonance isolé et d'un convertisseur élévateur/abaisseur

Info

Publication number
EP3465896A1
EP3465896A1 EP17725264.0A EP17725264A EP3465896A1 EP 3465896 A1 EP3465896 A1 EP 3465896A1 EP 17725264 A EP17725264 A EP 17725264A EP 3465896 A1 EP3465896 A1 EP 3465896A1
Authority
EP
European Patent Office
Prior art keywords
converter
voltage
buck
voltage level
bidirectional
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP17725264.0A
Other languages
German (de)
English (en)
Inventor
Patrick ACHTZEHN
Jens CZICHON
Jan KORTE
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kostal Automobil Elektrik GmbH and Co KG
Original Assignee
Leopold Kostal GmbH and Co KG
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 Leopold Kostal GmbH and Co KG filed Critical Leopold Kostal GmbH and Co KG
Publication of EP3465896A1 publication Critical patent/EP3465896A1/fr
Withdrawn legal-status Critical Current

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
    • H02M3/00—Conversion of DC power input into DC power output
    • H02M3/22—Conversion of DC power input into DC power output with intermediate conversion into AC
    • H02M3/24—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters
    • H02M3/28—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC
    • H02M3/325—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal
    • H02M3/335—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/33569—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements
    • H02M3/33576—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements having at least one active switching element at the secondary side of an isolation transformer
    • H02M3/33584—Bidirectional converters
    • 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
    • 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
    • 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
    • H02M3/16—Conversion of DC power input into DC power output without intermediate conversion into AC by dynamic converters
    • H02M3/18—Conversion of DC power input into DC power output without intermediate conversion into AC by dynamic converters using capacitors or batteries which are alternately charged and discharged, e.g. charged in parallel and discharged in series
    • 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
    • H02M3/22—Conversion of DC power input into DC power output with intermediate conversion into AC
    • H02M3/24—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters
    • H02M3/28—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC
    • H02M3/325—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal
    • H02M3/335—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/337—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only in push-pull configuration
    • H02M3/3376—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only in push-pull configuration with automatic control of output voltage or current
    • H02M3/3378—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only in push-pull configuration with automatic control of output voltage or current in a push-pull configuration of the parallel type
    • 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
    • H02M1/0003—Details of control, feedback or regulation circuits
    • H02M1/0025—Arrangements for modifying reference values, feedback values or error values in the control loop of a 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
    • H02M1/007—Plural converter units in cascade
    • 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
    • H02M7/66—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output with possibility of reversal
    • H02M7/68—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output with possibility of reversal by static converters
    • H02M7/72—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output with possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M7/75—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output with possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means
    • H02M7/757—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output with possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only
    • 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
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes

Definitions

  • the invention relates to a bidirectional DC-DC converter arrangement for an electric vehicle, which has a high voltage level and a low voltage level, wherein the
  • DC-DC converter arrangement comprises a series circuit of two DC / DC converters, one of which is a DC / DC converter
  • series resonant switching converter having a transformer and of which the other DC / DC converter has a buck converter or buck / boost converter.
  • DC converter arrangement serves, in an electric or hybrid vehicle, to transform the voltage of a high-voltage battery to the level of a low-voltage battery.
  • the circuit also allows an energy flow in the opposite direction, to about the
  • the DC-DC converter arrangement described in this document has a series-resonant switching converter which is connected to the high-voltage voltage level and has a fixed clocking and which has a constant transmission ratio to the outside, and which generates a relatively low DC link voltage at its output.
  • the DC link voltage is controlled by a second
  • DC-DC converter which is designed as a buck / boost converter, with a variable voltage ratio to the fixed
  • Transfer voltage level of the low-voltage battery In addition to consumers that can not be regenerated, such as an electric heater, there are also loads such as electrical machines (motor / generator) that can be used during load changes
  • Installation space volume is approximately the size of a shoe box.
  • high-capacitance capacitors are also quite expensive.
  • the DC voltage converter arrangement according to the invention thus effectively reverses the converter topology known from DE 10 2014 016 076 A1.
  • the DC-DC converter arrangement according to the invention has the advantage that the currents in both converters can be kept as small as possible for as long as possible. Since high currents are generally associated with thermal losses, so the total power loss can be limited and thus a high efficiency can be achieved.
  • the circuit comes with a relatively small capacitive
  • DC-DC converter arrangement is used, which achieves a very high dynamics and all load changes in one
  • Vehicle electrical system can respond without major voltage dips.
  • the scheme thus makes it possible to keep the output capacitor small.
  • a particularly high dynamic when changing the direction of energy flow is additionally achieved.
  • Figure 1 is a DC-DC converter arrangement according to the invention
  • Figure 2 is a DC-DC converter arrangement according to the prior
  • FIG. 3 shows the schematic structure of a series resonant converter
  • FIG. 4 shows a sketch for constructing and controlling a buck converter
  • Figure 5 is an illustration of several waveforms.
  • the DC-DC converter arrangement 10 will first be explained their basic operation.
  • the DC-DC converter arrangement 10 has two serially arranged DC / DC converters 12, 11, each of which consists of several schematically illustrated components.
  • the DC / DC converter 12 has two
  • High-voltage terminals 13 which are electrically coupled to a high voltage level (not shown in detail), to which in particular the high-voltage battery of a motor vehicle may belong.
  • High voltage terminals 13 is the high voltage DC voltage Uhiv the
  • the high-voltage side DC / DC converter 12 forms a total of a galvanically isolating, series-resonant switching converter. The two
  • High-voltage terminals 13 are electrically coupled to the input of a high-voltage DC / AC converter 16 belonging to the DC / DC converter 12.
  • High-voltage DC / AC converter 16 meets the requirements of converting the high-voltage DC voltage UHV into an AC voltage.
  • the high-voltage DC / AC converter 16 has one or more high-voltage converter switches 18, the conversion or chopping and reversal of the high-voltage direct voltage UHV into an alternating voltage is effected by the control or opening and closing.
  • the high-Voltwandlerschalter 18 is shown here schematically as a transistor and is driven clocked by a drive device 20 by this, as shown here, sets drive signals to the gate of the transistor.
  • the drive device 20 has a fixed duty cycle. This means that the driving device 20 is adapted to a predetermined voltage for a given time intervals
  • the high-voltage DC / AC converter 16 is followed by a galvanically isolating transformer 22.
  • the AC square wave voltage becomes an AC voltage with a lower one
  • the transformer 22 is followed by a low-voltage AC / DC converter 24, which outputs the intermediate circuit voltage UZK at two intermediate circuit connections 26 as output voltage.
  • DC link 26 is a DC link capacity 28 to
  • the intermediate circuit voltage UZK is a DC voltage or at least approximately a DC voltage.
  • DC bus terminals 26 a transducer module 32 is arranged and only at this closes the low-voltage level with the for a
  • Voltage value can be up to 1 500 V, with a relatively high
  • the converter module 32 is used for accurate
  • the voltage level is also less than or equal to 60 V. Since the low-voltage DC voltage ULV is usually 1 2 V or 48 V, the ratio between the intermediate circuit voltage UZK and
  • Low voltage DC voltage ULV usually in the range of 1 to 5.
  • the converter module 32 of the low-voltage side DC / DC Transducer 1 1 therefore be designed in the form of a galvanically non-separate buck or buck converter.
  • To the converter module 32 includes a drive device 36 for
  • an output capacitance 38 Connected to the converter module 32 is an output capacitance 38, which likewise serves for voltage stabilization and voltage smoothing, so that the intended low-voltage direct voltage ULV for the operation of the low-voltage level is provided at the low-voltage terminals 40.
  • the operation direction of the DC-DC converter 10 is not limited to the forward operation; by a suitable control of the DC / DC converter 1 1, 12, a reverse operation is possible, which transfers electrical energy from the low voltage level to the high voltage level.
  • DC-DC converter 100 according to the invention largely avoided. This is preferably also provided for use in an electric vehicle, there to a bidirectional power transmission between a high voltage level and a
  • the DC-DC converter 100 also consists of two series-connected DC-DC converters 1 1 1, 1 12, which basically consists of the same or similar components as the sketched in the figure 2 known
  • DC voltage converter 10 may exist.
  • functionally comparable components in FIGS. 1 and 2 are the same.
  • a bidirectional DC / DC converter 1 1 1 connected, which converts the applied high-voltage DC voltage UHV a high-voltage battery to a constant intermediate circuit voltage UZK of about 400 V. Since the value of the high-voltage DC voltage UHV can vary, the DC / DC converter 1 1 1 has a variable transmission ratio, which can be achieved by a PWM control of its controllable switches S1, S2 with a respectively predetermined duty cycle or sampling rate.
  • the first DC / DC converter 1 1 1 can be designed as a buck converter, in particular with SiC MOSFETs as switching elements.
  • an embodiment may be provided as a buck-boost converter.
  • the DC / DC converter 1 12 connected to the low-voltage side is a high-voltage low-voltage converter which may be functionally similar to the DC / DC converter 12 illustrated in FIG. 2.
  • other types of DC / DC converters can be used.
  • the output capacitor Ca can be made very small.
  • FIGs 3 and 4 the structure of a series resonant converter 1 12 and a buck converter 1 1 1 is shown schematically.
  • the series resonant converter 1 12 shown in FIG. 3 consists of the two controllable switches S3 to S10 of two complete switching bridges, which are coupled to one another via a transformer T.
  • a capacitor Cr and an inductance L r are provided as energy storage.
  • FIG. 4 shows the construction principle of a bidirectional buck converter 11 1.
  • the switch Si which is usually implemented as a transistor, is switched on and off regularly by the control device 36; Usually, several hundred to several million switching cycles per second are performed. As a result, electrical energy from the left connected voltage source with the input voltage Uei to a right to the
  • Energy storage coil U and capacitor Cb allow the supply of the load in the phases in which the switch Si is open.
  • the inductance Lb keeps the higher input voltage Uei away from the load.
  • the magnitude of the output voltage Uai can be specified by controlling the switch-on and switch-off times of the switch Si. This control is usually performed by a driver 36 with a regulator to maintain the output voltage Uai or the output current I a i at a desired value.
  • the second switch S2 can be operated by reversing the input and output of the buck converter 1 1 1 instead of as a buck converter in the opposite direction as a boost converter.
  • the first DC / DC converter 1 1 1 is associated with a peak current control (PCC, peak current control).
  • PCC peak current control
  • an offset value I onset is added to the coil current I I detected at the inductance Lb, so that the sign of the modified
  • Coil current IL + lotfset does not change over its course. This allows a highly dynamic energy flow change, which proceeds without further measurement or query a condition.
  • the resulting in the control waveforms are shown in Figure 5.
  • a current sensor 42 detects the coil current II through the inductance Lt>.
  • An adder 44 belonging to the drive device 36 adds to this detected coil current II a pre-calculated constant offset value, and thus forms the modified coil current value IL + lottset.
  • a current regulator 50 outputs a value based on the output voltage Uai of the DC / DC converter 1 1 1 and a voltage command value Usoii whose value corresponds to the voltage level of the low-voltage voltage plane
  • a ramp generator 48 generates, starting from this reference current value IRet, a periodically sloping sawtooth-shaped ramp current IRamp whose profile is outlined in FIG. 5 by a dot-dash line.
  • a comparator 46 belonging to the drive device 36 compares the falling ramp current IRamp with the rising modified one
  • Coil current value IL + lotset If the value of the ramp current IRamp falls below the value of the modified coil current IL +, then the sign of the comparator output signal which is applied to the gate of the transistor Si and also to the gate of the second transistor S2 via the inverter 52 with the opposite sign changes. The transistors S1, S2 are thereby both reversed, so that the coil current II now falls as long as the
  • the components belonging to the control device 36 can be realized both by hardware and by software components. reference numeral

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Dc-Dc Converters (AREA)

Abstract

L'invention concerne un dispositif bidirectionnel de conversion de tension continue pour un véhicule électrique qui comprend un niveau à haute tension et un niveau à basse tension. Le dispositif de conversion de tension continue comprend un circuit série de deux convertisseurs CC/CC dont l'un des convertisseurs CC/CC comprend un convertisseur à découpage à résonance série doté d'un transformateur et dont l'autre des convertisseurs CC/CC comprend un convertisseur dévolteur ou un convertisseur dévolteur/survolteur, le convertisseur dévolteur ou le convertisseur dévolteur/survolteur servant à la liaison avec le niveau à haute tension et le convertisseur à découpage servant à la liaison avec le niveau à basse tension. Ledit dispositif comporte une régulation bidirectionnelle de courant de pointe qui est réalisée par une mesure de courant sur une inductance dans le convertisseur dévolteur ou le convertisseur dévolteur/survolteur et qui emploie, en tant que grandeur de commande, la valeur de courant de bobine qui est modifiée avec une valeur de décalage et qui a par conséquent un signe constant.
EP17725264.0A 2016-05-25 2017-05-24 Dispositif de conversion de tension continue équipé d'une cascade faite d'un convertisseur de résonance isolé et d'un convertisseur élévateur/abaisseur Withdrawn EP3465896A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016006549.4A DE102016006549A1 (de) 2016-05-25 2016-05-25 Bidirektionale Gleichspannungswandleranordnung
PCT/EP2017/062519 WO2017202900A1 (fr) 2016-05-25 2017-05-24 Dispositif de conversion de tension continue équipé d'une cascade faite d'un convertisseur de résonance isolé et d'un convertisseur élévateur/abaisseur

Publications (1)

Publication Number Publication Date
EP3465896A1 true EP3465896A1 (fr) 2019-04-10

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP17725264.0A Withdrawn EP3465896A1 (fr) 2016-05-25 2017-05-24 Dispositif de conversion de tension continue équipé d'une cascade faite d'un convertisseur de résonance isolé et d'un convertisseur élévateur/abaisseur

Country Status (4)

Country Link
US (1) US10340810B2 (fr)
EP (1) EP3465896A1 (fr)
DE (1) DE102016006549A1 (fr)
WO (1) WO2017202900A1 (fr)

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CN110417289A (zh) * 2018-04-26 2019-11-05 比亚迪股份有限公司 Dcdc变换器、车载充电机和电动车辆
CN110417266A (zh) * 2018-04-26 2019-11-05 比亚迪股份有限公司 Dcdc变换器、车载充电机和电动车辆
WO2021050912A1 (fr) 2019-09-13 2021-03-18 Milwaukee Electric Tool Corporation Convertisseurs de puissance à semi-conducteurs à large bande interdite
US11108333B2 (en) 2019-11-06 2021-08-31 Hamilton Sundstrand Corporation DC-DC converters
WO2021124408A1 (fr) * 2019-12-16 2021-06-24 三菱電機株式会社 Convertisseur cc/cc et dispositif de conversion de puissance
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CN112260543B (zh) * 2020-09-19 2022-06-24 许继电源有限公司 一种高增益高频隔离双向级联dc/dc变换器及其控制方法
CN112636599B (zh) * 2020-11-12 2022-07-29 北京无线电测量研究所 一种直流高压转直流低压变换器电路及变换方法
KR102528007B1 (ko) * 2020-12-21 2023-05-03 현대모비스 주식회사 대용량 양방향 절연형 dc-dc 컨버터 어셈블리 및 냉각구조
CN114553263B (zh) * 2022-04-27 2022-08-02 杭州禾迈电力电子股份有限公司 电力线载波通讯装置及方法

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