EP3286827A1 - Bidirektionaler gleichspannungswandler - Google Patents
Bidirektionaler gleichspannungswandlerInfo
- Publication number
- EP3286827A1 EP3286827A1 EP16718342.5A EP16718342A EP3286827A1 EP 3286827 A1 EP3286827 A1 EP 3286827A1 EP 16718342 A EP16718342 A EP 16718342A EP 3286827 A1 EP3286827 A1 EP 3286827A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- bridge
- converter
- circuit
- voltage
- 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.)
- Ceased
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
- H02M1/00—Details of apparatus for conversion
- H02M1/32—Means for protecting converters other than automatic disconnection
-
- 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
- H02M3/285—Single converters with a plurality of output stages connected in parallel
-
- 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
- H02M3/33592—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 having a synchronous rectifier circuit or a synchronous freewheeling circuit at the secondary side of an isolation transformer
-
- 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
- H02M1/32—Means for protecting converters other than automatic disconnection
- H02M1/34—Snubber circuits
- H02M1/342—Active non-dissipative snubbers
-
- 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.
- DC / DC converters also referred to as DC choppers
- DC choppers Various topologies for DC / DC converters (also referred to as DC choppers) are known for high output currents. Frequently used full bridge circuits with output-side split winding or current doubler circuit (current doubler).
- IGBTs Insulated-Gate Bipolar Transistors
- 1200 V withstand voltage are preferably used, which leads to a clear limitation of the switching frequency upwards, whereby relatively large inductive components are required.
- a unidirectional DC chopper is known in which two asymmetrical half-bridges operate on a divided primary winding of a transformer. This allows the use of MOSFETs as switching elements, whereby the switching frequency can be significantly increased.
- the invention has for its object to provide a DC-DC converter available that can be used flexibly in particular in on-board networks of motor vehicles with regard to the different voltage levels encountered there.
- the invention solves this problem by a DC-DC converter according to claim 1.
- the bidirectional (electrical energy can be transmitted in both directions) DC-DC converter has a first asymmetric half-bridge circuit and a second asymmetric half-bridge circuit.
- the DC-DC converter has at least one, in particular galvanically isolating, transformer which has a first primary winding and a second primary winding and at least one secondary winding.
- the first half-bridge circuit generates an alternating voltage at the first primary winding and the second half-bridge circuit generates an alternating voltage at the second primary winding.
- the DC-DC converter has at least one bidirectionally coupled to the secondary windings and the secondary windings and powered by the secondary windings.
- Le converter circuit in bridge arrangement wherein the bridge arrangement has a first Brückenan gleichpol and a second Brückenan gleichpol, are looped between the two bridge arms.
- the power converter circuit has a voltage limiting device with a switching element, for example in the form of a transistor, wherein the voltage limiting device realizes an "active clamp" function With regard to the "active clamp” function, reference is also made to the relevant technical literature.
- the voltage limiting device may comprise a capacitor, wherein the switching element and the capacitor are connected in series between the first bridge connection pole and the second bridge connection pole.
- the DC-DC converter may have a first output terminal pole and a second output terminal pole, wherein an output voltage is present between the first output terminal pole and the second output terminal pole.
- the term "output" is used herein only for conceptual distinction between the two sides of the DC-DC converter Since the DC-DC converter is bidirectional, energy can also flow into the DC-DC converter via the output terminal poles
- the DC-DC converter may further comprise a coil and a polarity reversal protection transistor, the coil and The reverse voltage protection transistor may be connected in series between the first bridge connection pole and the first output connection pole or between the second bridge connection pole and the second output connection pole is looped.
- the first half-bridge circuit and the second half-bridge circuit may be connected in series or in parallel.
- the half-bridge circuits can be connected in parallel, for example.
- input terminals of the first and the second half-bridge circuit are connected in parallel, wherein the same input voltage is present at the input terminals, for example, 400 V vehicle electrical system voltage.
- the half-bridge circuits may be connected in series.
- the input terminals of the first and second half-bridge circuit are connected in series, so that at the input terminals only half of the vehicle electrical system voltage is applied, ie at an on-board voltage of 800 V due to the series connection only 400 V input voltage.
- the transformer may have a first secondary winding and a second secondary winding, wherein the first secondary winding and the second secondary winding are connected in series or in series. For example, with a desired output voltage of 24 V, the secondary windings may be connected in parallel. For example, with a desired output voltage of 48 V, the secondary windings may be connected in series.
- the DC-DC converter according to the invention which can be used, for example, as an on-board converter, allows, for example, a bidirectional energy exchange between a vehicle electrical system of high voltage with e.g. 800V rated voltage and a low voltage electrical system with, for example, 24V nominal voltage, as in modern electric or hybrid vehicles are available. Due to the topology and characteristics of the components used, flexible interconnections can economically cover different voltage levels at both the high voltage level (e.g., 400V / 800V) and the low voltage level (e.g., 24V / 48V).
- high voltage level e.g. 400V / 800V
- the low voltage level e.g., 24V / 48V
- FIG. 1 is a circuit diagram of a DC-DC converter according to the invention according to a first embodiment
- Fig. 2 is a circuit diagram of a DC-DC converter according to the invention according to a further embodiment
- Fig. 3 is a circuit diagram of a DC-DC converter according to the invention
- Fig. 4 is a circuit diagram of a DC-DC converter according to the invention according to another embodiment.
- Fig. 1 shows a bidirectional DC-DC converter 1 according to a first embodiment, which can serve for example as a vehicle electrical system converter in a motor vehicle.
- the DC-DC converter 1 has a first asymmetrical half-bridge circuit 2 and a second asymmetric half-bridge circuit 3, which can be connected to terminals ZK1 + and ZK1 - or ZK2 + and ZK2-, for example, to a DC link.
- the half-bridge circuits 2 and 3 may be connected in parallel or connected in series with the intermediate circuit voltage.
- the DC-DC converter 1 further comprises a transformer 4.
- the transformer 4 has a first primary windings 4a and a second primary winding 4b and a first secondary winding 4c and a second secondary winding 4d.
- the first half-bridge circuit 2 is designed to generate an alternating voltage at the first primary winding 4a from the intermediate circuit voltage
- the second half-bridge circuit 3 is designed to generate an alternating voltage at the second primary winding 4b from the intermediate circuit voltage.
- the half-bridge circuit 2 To generate the AC voltage, the half-bridge circuit 2 has a capacitor C1, transistors M1 and M3 and diodes D1 and D3, which are connected as shown. Accordingly, the second half-bridge circuit 3 has a capacitor C2, transistors M2 and M4 and diodes D2 and D4, which are connected as shown.
- the transistors M 1 to M 4 are driven in a manner known per se in order to generate the alternating voltages at the primary windings 4 a and 4 b.
- the DC-DC converter 1 further comprises at least one electrically connected to the secondary windings 4c and 4d bidirectional power converter circuit 5 in bridge arrangement, wherein the bridge arrangement comprises a first Brückenan gleichpol 6 and a second bridge connection pole 7.
- the bridge arrangement has a first bridge branch with transistors M5 and M6 and a second bridge branch with transistors M7 and M8.
- the bridge branches are looped between the bridge connection poles 6 and 7.
- the secondary windings 4c and 4d are connected in parallel with a respective first terminal of the secondary windings 4c and 4d electrically connected to a connection node of the transistors M5 and M6 of one of the bridge branches, and a respective second terminal of the secondary windings 4c and 4d to a connection node of the transistors M7 and M8 of the other of the bridge branches is electrically connected.
- Aponsbegrenzungseinnchtung 8 is looped between the bridge connection poles 6 and 7.
- Theistsbegrenzungseinnchtung 8 has a switching element M9 in the form of a transistor and a series-connected capacitor C3.
- the switching element M9 is controlled by means of a control device not shown in detail such that the voltage limiting device 8 implements a so-called active-clamp function.
- active-clamp function For further details on the Active Clamp function, please refer to the relevant literature to avoid repetition.
- the active-clamp circuit 8 on the secondary side of the transformer 4 enables a high-efficiency regenerative operation with good utilization of the available power semiconductors M1 to M9.
- the DC-DC converter 1 has a first (output) terminal pole DC + and a second (output) terminal pole DC-, between the first output terminal pole DC + and the second output terminal pole DC- a (output) voltage is present, with respect to the DC link voltage is present at the terminals ZK1 + and ZK1 - or ZK2 + and ZK2-, a lower level, for example, 24 V DC or 48 V DC, has.
- the DC-DC converter 1 further comprises a coil L1 and a polarity reversal protection transistor M10, wherein the coil L1 and the polarity reversal protection transistor M10 are connected in series between the first bridge connection pole 6 and the first output connection pole DC +.
- the DC-DC converter 1 further comprises a capacitor C4, which is connected between a connection node of the coil L1 and the polarity reversal protection transistor M10 and the second output terminal pole DC-.
- Fig. 2 shows a bidirectional DC-DC converter V according to a second embodiment.
- the secondary windings 4c and 4d are connected in series, so that, for example, a higher voltage of 48 V DC can be output at the terminals DC + and DC-.
- the embodiment is identical, so that reference is made to the above remarks to avoid repetition.
- FIG. 3 shows a bidirectional DC-DC converter 1 "in accordance with a third embodiment.
- two identically constructed converter circuits 5a, 5b are provided in each case in a bridge arrangement whose respective structure is the converter circuit shown in FIG 5.
- the second converter circuit 5b has five transistors M1 1 to M16, two capacitors C5 and C6 and a coil L2 in the circuit shown.
- the DC / DC converter 1 "has the greatest flexibility, since flexible external switching (series / parallel connection) of the voltage levels and current ranges is possible both at the high intermediate circuit voltage level (400V / 800V) and at the low voltage level (24V / 48V) ,
- FIG. 4 shows a bidirectional DC-DC converter V "according to a fourth embodiment: Unlike the embodiment shown in FIG. 1, the coil L1 and the polarity reversal protection transistor M10 are connected between the second bridge connection pole 7 and the second output connection pole DC-.
- All of the switching elements or transistors M1 to M16 shown may be MOSFETs which are each driven by a drive unit, not shown.
- the drive unit may be, for example, a microprocessor.
- the DC-DC converter according to the invention enables bidirectional operation with high flexibility with regard to the voltage levels at high power densities.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102015207607.5A DE102015207607A1 (de) | 2015-04-24 | 2015-04-24 | Bidirektionaler Gleichspannungswandler |
PCT/EP2016/059049 WO2016170136A1 (de) | 2015-04-24 | 2016-04-22 | Bidirektionaler gleichspannungswandler |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3286827A1 true EP3286827A1 (de) | 2018-02-28 |
Family
ID=55808592
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16718342.5A Ceased EP3286827A1 (de) | 2015-04-24 | 2016-04-22 | Bidirektionaler gleichspannungswandler |
Country Status (5)
Country | Link |
---|---|
US (1) | US10811984B2 (de) |
EP (1) | EP3286827A1 (de) |
CN (1) | CN107534390B (de) |
DE (1) | DE102015207607A1 (de) |
WO (1) | WO2016170136A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10855214B2 (en) * | 2019-04-09 | 2020-12-01 | Hamilton Sunstrand Corporation | Electrical powertrain for aircraft |
EP3772180A1 (de) * | 2019-07-30 | 2021-02-03 | Infineon Technologies AG | Leistungshalbleitermodulanordnung und verfahren zum betrieb davon |
US11349401B1 (en) * | 2021-01-25 | 2022-05-31 | Semiconductor Components Industries, Llc | Method and system of a power converter with secondary side active clamp |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5027264A (en) | 1989-09-29 | 1991-06-25 | Wisconsin Alumni Research Foundation | Power conversion apparatus for DC/DC conversion using dual active bridges |
US5636107A (en) | 1995-11-15 | 1997-06-03 | International Power Devices, Inc. | DC-DC converters |
CA2369060C (en) * | 2001-01-24 | 2005-10-04 | Nissin Electric Co., Ltd. | Dc-dc-converter and bi-directional dc-dc converter and method of controlling the same |
US6501193B1 (en) | 2001-09-07 | 2002-12-31 | Power-One, Inc. | Power converter having regulated dual outputs |
CN100511942C (zh) * | 2003-11-19 | 2009-07-08 | 南京航空航天大学 | 正反激双向dc-dc变换器的控制方法 |
JP4430531B2 (ja) | 2004-12-28 | 2010-03-10 | 株式会社日立製作所 | 双方向絶縁型dc−dcコンバータ |
JP4401418B2 (ja) * | 2008-04-18 | 2010-01-20 | シャープ株式会社 | 双方向dc/dcコンバータおよびパワーコンディショナ |
WO2010067629A1 (ja) * | 2008-12-12 | 2010-06-17 | 株式会社三社電機製作所 | Dc-dcコンバータ回路 |
KR101031217B1 (ko) | 2009-10-21 | 2011-04-27 | 주식회사 오리엔트전자 | 고정 시비율로 동작하는 llc 공진 컨버터를 사용한 2단 방식 절연형 양방향 dc/dc 전력변환기 |
US8570769B2 (en) * | 2009-12-21 | 2013-10-29 | Intersil Americas LLC | Bidirectional signal conversion |
JP2012065443A (ja) * | 2010-09-15 | 2012-03-29 | Panasonic Corp | コンバータ回路 |
KR101168078B1 (ko) * | 2010-12-17 | 2012-07-24 | 한국에너지기술연구원 | 다중입력 양방향 dc-dc 컨버터 |
CH704460B1 (de) * | 2011-02-11 | 2017-07-14 | Eth Zürich Eth Transfer | Verfahren zur Begrenzung von Überspannungen an den Ausgangsdioden eines potentialgetrennten DC/DC-Konverters. |
DE102012219365A1 (de) | 2012-10-23 | 2014-04-24 | Schmidhauser Ag | Gleichspannungswandler |
US9337743B2 (en) * | 2013-10-11 | 2016-05-10 | Futurewei Technologies, Inc. | Apparatus and method for multiple primary bridge resonant converters |
CN104702097B (zh) * | 2013-12-04 | 2017-11-24 | 台达电子企业管理(上海)有限公司 | 电源装置和通过电源装置产生电源的方法 |
US20160181925A1 (en) * | 2014-12-17 | 2016-06-23 | National Chung Shan Institute Of Science And Technology | Bidirectional dc-dc converter |
CN108111032A (zh) * | 2016-11-25 | 2018-06-01 | 台达电子工业股份有限公司 | 功率变换装置与功率变换方法 |
-
2015
- 2015-04-24 DE DE102015207607.5A patent/DE102015207607A1/de not_active Ceased
-
2016
- 2016-04-22 EP EP16718342.5A patent/EP3286827A1/de not_active Ceased
- 2016-04-22 WO PCT/EP2016/059049 patent/WO2016170136A1/de active Application Filing
- 2016-04-22 CN CN201680023747.6A patent/CN107534390B/zh active Active
- 2016-04-22 US US15/567,667 patent/US10811984B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
WO2016170136A1 (de) | 2016-10-27 |
CN107534390A (zh) | 2018-01-02 |
CN107534390B (zh) | 2020-08-28 |
DE102015207607A1 (de) | 2016-10-27 |
US20180138819A1 (en) | 2018-05-17 |
US10811984B2 (en) | 2020-10-20 |
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