EP4292109A1 - Dispositif de connexion électrique doté d'un piège planaire - Google Patents

Dispositif de connexion électrique doté d'un piège planaire

Info

Publication number
EP4292109A1
EP4292109A1 EP22718109.6A EP22718109A EP4292109A1 EP 4292109 A1 EP4292109 A1 EP 4292109A1 EP 22718109 A EP22718109 A EP 22718109A EP 4292109 A1 EP4292109 A1 EP 4292109A1
Authority
EP
European Patent Office
Prior art keywords
busbar
connection
connecting device
spiral
forms
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.)
Pending
Application number
EP22718109.6A
Other languages
German (de)
English (en)
Inventor
Manfred DÖHMEN
Martin Helsper
Marc-Andre OCKLENBURG
Andreas Rühl
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.)
Siemens Mobility GmbH
Original Assignee
Siemens Mobility 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 Siemens Mobility GmbH filed Critical Siemens Mobility GmbH
Publication of EP4292109A1 publication Critical patent/EP4292109A1/fr
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F37/00—Fixed inductances not covered by group H01F17/00
    • H01F37/005—Fixed inductances not covered by group H01F17/00 without magnetic core
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/2847—Sheets; Strips
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/30—Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
    • H01F27/303—Clamping coils, windings or parts thereof together
    • 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
    • H02M1/14—Arrangements for reducing ripples from dc input or output
    • 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
    • H02M3/00—Conversion of dc power input into dc power output
    • H02M3/003—Constructional details, e.g. physical layout, assembly, wiring or busbar connections
    • 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
    • H02M7/003—Constructional details, e.g. physical layout, assembly, wiring or busbar connections

Definitions

  • the invention relates to an electrical
  • Connecting device a method for producing such a connecting device and a vehicle, in particular a rail vehicle with such a connecting device.
  • power semiconductor switches or power transistors based on semiconductors with a larger band gap than silicon in particular based on silicon carbide (SiC) or gallium nitride (GaN), in power converters, particularly in rail vehicles, means that due to the possible higher switching frequencies, decoupling is more functional Units of a power converter which are electrically connected to one another, for example via a DC link, require chokes with a comparatively small inductance for the AC component on the one hand, but which should not be saturated by a DC component on the other hand.
  • the invention is therefore based on the object of specifying an electrical connection device which satisfies the requirements and can be produced at low cost.
  • this object is achieved by a connecting device with a planar throttle according to the features of independent patent claim 1 .
  • Refinements of the connecting device are specified in the dependent patent claims.
  • the planar choke of the electrical connection device comprises a spiral device, wherein the spiral device comprises a first and a second planar busbar, each configured in the form of a spiral, wherein the busbars are spaced apart in parallel and arranged one above the other, wherein the first busbar spirals inwards along a predetermined direction of rotation starting from an outer connection of the connecting device and forms an inner connection in an inner region of the spiral device, wherein the outer connection of the first busbar forms a first terminal of the connecting device, wherein the second busbar, starting from an inner terminal in the inner area of the spiral device, spirals outwards along the same direction of rotation and forms an outer terminal of the connecting device, wherein the outer terminal of the second busbar forms a second terminal of the connecting device, and wherein the inner terminals of the first and second bus bars are electrically connected by means of a connecting element.
  • planar busbars used for the choke advantageously enable a cost-effective and space-efficient design.
  • a cost-effective and reliably reproducible design is made possible by the fact that commercially available flat busbars, such as those already used for low-inductance electrical connections between modules of power semiconductor switches in a power converter, can be used.
  • the choke is also advantageously constructed in the form of a so-called air coil without a magnetizable core, which avoids saturation due to a direct current component.
  • the structure of the choke according to the invention advantageously achieves a comparatively small inductance value of, for example, in the range between 1 mH and 20 mH, in particular in the range from 1 mH to 10 mH. It can therefore be used, for example, as an inductive decoupling element which generates only a small amount of thermal power loss during operation.
  • Connection device is therefore particularly suitable for to be used in switching arrangements with fast-switching power semiconductor switches, for example SiC power transistors, for example at the output of DC/DC controllers that are equipped with such power semiconductor switches.
  • power semiconductor switches for example SiC power transistors
  • an electrically insulating intermediate element in particular an electrically non-conductive plate, a foil or a coating.
  • an intermediate element can advantageously serve to stabilize the spiral device and, in particular, prevent the busbars from being deformed under the influence of external mechanical force and compressed to form an electrical short circuit if they were only electrically insulated from one another by a distance or a layer of air would.
  • the two busbars forming the spiral device are preferably each coated, in particular laminated, with a non-conductive material on their side facing away from the respective other busbar, in order to ensure mutual electrical insulation.
  • the busbars or the metal sheets used to produce the busbars preferably have a thickness of between 0.5 and 10 mm, a thickness of between 2 and 6 mm or specifically a thickness of 4 mm being particularly preferred. Copper and aluminum are particularly suitable as the material for the sheet metal used.
  • the two busbars can be configured identically, with one of the busbars being rotated through 180 degrees during assembly, so that the sides that are the same in the initial position are opposite one another.
  • it must be ensured that the described Continuity of the spiral directions of rotation is maintained after assembly.
  • connection device the first and the second connection are arranged on a common connection side of the connection device.
  • the connecting device comprises a third planar busbar, the outer connection of the first busbar being arranged on a first connection side of the connecting device and the outer connection of the second busbar being arranged on a second connection side of the connecting device opposite the first connection side, and wherein a first connection of the third busbar is arranged on the first connection side and a second connection of the third busbar is arranged on the second connection side of the connecting device.
  • connection device forms a quadrupole with four connections on a first and a second connection side, with an electrical connection between the connection sides being established via the spiral device, while another electrical connection between the connection sides being established via the third busbar.
  • the third busbar can be designed in such a way that it influences the magnetic field of the spiral device in a desired manner, so that the resulting inductance of the spiral device can be implemented reproducibly within narrow tolerance ranges.
  • Connecting device forms, and the inner terminals of the first and second busbars are electrically connected by means of a connecting element.
  • a connecting element in particular an electrically non-conductive plate, film or paint.
  • a vehicle in particular a rail vehicle, which has at least one connecting device according to the invention and/or at least one connecting device produced using the method according to the invention.
  • the vehicle has a DC voltage intermediate circuit, which includes a first current conductor and a second current conductor, and at least one connecting device according to the invention is electrically integrated in the DC voltage intermediate circuit in the first and/or second current conductor.
  • the connecting device forms a four-terminal network, it divides the DC link into a first link section and a second link section, in such a way that the first link section is connected to the first connection side of the Four-pole network and the second intermediate circuit section is connected to the second connection side of the four-pole network.
  • the first intermediate circuit section is connected, for example, to a DC/DC converter on the side facing away from the four-terminal network
  • the second intermediate circuit section is connected, for example, to an inverter of a converter on the side facing away from the four-terminal network.
  • the DC/DC converter can be a step-up converter, for example.
  • Figures 1-4 a first embodiment of a connecting device according to the invention and method steps for producing this connecting device
  • FIGS 5-8 a second embodiment of a connecting device according to the invention and method steps for producing this connecting device
  • Figure 12 shows a rail vehicle with a
  • Figure 13 shows a rail vehicle with a
  • FIGS. 1 to 4 a method for producing a first exemplary embodiment of a spiral device according to the invention is explained below by way of example.
  • FIG. 2 shows a second conductor rail which is also designed as a flat sheet metal spiral 20 and which has also been produced by stamping or cutting, preferably laser cutting, a piece of sheet metal.
  • the second sheet metal spiral 20 Starting from an inner spiral connection 22, the second sheet metal spiral 20 also rotates clockwise in a spiral outward and forms an outer spiral connection 21 on the outside.
  • the two sheet metal spirals 10 and 20 are positioned one above the other and by means of an electrical connecting element 30 in the area of the inner spiral connections 12 and 22 to form a
  • the two outer spiral connections 11 and 21 are in different planes in the exemplary embodiment according to FIGS.
  • Such bending can be advantageous for connection reasons, for example.
  • the two sheet metal spirals 10 and 20 can advantageously be identical. If, for example, the first sheet metal spiral 10 according to Figure 1 is also to be used as the second sheet metal spiral 20 according to Figure 2, then during assembly by rotating the sheet metal spiral by 180 degrees around the longitudinal direction L in Figure 1 it must only be ensured that the described continuity of the spiral directions of rotation according to of assembly above one another.
  • FIG. 5 shows a first busbar or first sheet metal spiral 10, which is identical to the first sheet metal spiral 10 according to FIG. 1, for example.
  • Figure 6 shows a second busbar or second sheet metal spiral 20 and, in addition, a third busbar or a third sheet metal part 50.
  • the two sheet metal spirals 10 and 20 are positioned one above the other and connected to one another by means of an electrical connecting element 30 and form a spiral device 40, as above has been explained in connection with Figures 1 to 4.
  • FIG. 7 shows the resulting spiral device 60 in a top view and FIG. 8 shows a cross section.
  • FIG. 12 shows an exemplary embodiment of a rail vehicle 100 which is equipped with an electrical intermediate DC voltage circuit 110 .
  • the DC voltage intermediate circuit 110 connects a DC/DC converter 120 and a converter or inverter 130.
  • the converter 130 can be connected to drive components not shown in Figure 12 for reasons of clarity, in particular one or more drive motors of the rail vehicle 100 keep in touch.
  • the spiral device 40 according to FIGS. 1 to 4 is interposed between the intermediate DC circuit 110, for example the current conductor 111 at the top in FIG. 12 with a positive voltage potential.
  • the spiral device forms a dipole, which divides the current conductor 111 into two sections 111a and 111b.
  • the spiral device 40 serves as a choke, which interacts electrically with capacitors CI and C2 or so-called intermediate circuit capacitors.
  • the capacitors CI and C2 can be arranged as separate components in the DC voltage intermediate circuit 110, as shown by way of example in FIG.
  • FIG. 13 shows a further exemplary embodiment of a rail vehicle 100, in which the connecting device according to FIGS.
  • the spiral device 40 forms a four-terminal network 210, which electrically subdivides the DC voltage intermediate circuit 110 into a first intermediate circuit section 110a and a second intermediate circuit section 110b.
  • the upper current conductor 111 is again connected to the spiral device 40 with a positive voltage potential
  • the lower current conductor 112 is connected to the third sheet metal part 50 or the third busbar, for example with a negative or ground potential.
  • the connecting device can thus advantageously be integrated in a simple manner into the two current conductors 111, 112 of the DC voltage intermediate circuit.
  • the four-pole network 210 forms a first connection 211a on the first connection side 211 of the four-pole network 210 on the left in Figure 13 and with an outer spiral connection of the other of the two sheet metal spirals a first connection 212a of the four-pole network 210 on the right , Second connection side 212.
  • a second connection 211b on the first connection side 211 of the four-pole network 210 and a second connection 212b on the second connection side 212 of the four-pole network 210 are connected by the third sheet metal part 50, according to Figures 5 to 8, formed or at least connected to each other.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Connections Arranged To Contact A Plurality Of Conductors (AREA)

Abstract

L'invention concerne un dispositif de connexion électrique doté d'un piège planaire, le piège planaire comprenant un dispositif en spirale, le dispositif en spirale comprenant un premier et un deuxième rail de contact planaires respectivement conçus sous forme de spirale, les rails de contact étant disposés parallèlement à une certaine distance l'un de l'autre et superposés, le premier rail de contact tournant en spirale vers l'intérieur dans un sens de rotation prédéfini à partir d'un raccordement extérieur du dispositif de connexion et formant un raccordement intérieur dans une zone interne du dispositif en spirale, le raccordement extérieur du premier rail de contact formant un premier raccordement du dispositif de connexion, le deuxième rail de contact s'étendant en spirale vers l'extérieur à partir d'un raccordement intérieur situé dans la zone interne du dispositif en spirale dans le même sens de rotation et formant un raccordement extérieur du dispositif de connexion, le raccordement extérieur du deuxième rail de contact formant un deuxième raccordement du dispositif de connexion, et les raccordements internes du premier et du deuxième rails de contact étant électriquement reliés au moyen d'un élément de connexion.
EP22718109.6A 2021-03-26 2022-03-23 Dispositif de connexion électrique doté d'un piège planaire Pending EP4292109A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102021203048.3A DE102021203048A1 (de) 2021-03-26 2021-03-26 Spiraleinrichtung und Verfahren zu deren Herstellung
PCT/EP2022/057615 WO2022200418A1 (fr) 2021-03-26 2022-03-23 Dispositif de connexion électrique doté d'un piège planaire

Publications (1)

Publication Number Publication Date
EP4292109A1 true EP4292109A1 (fr) 2023-12-20

Family

ID=81384691

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22718109.6A Pending EP4292109A1 (fr) 2021-03-26 2022-03-23 Dispositif de connexion électrique doté d'un piège planaire

Country Status (4)

Country Link
EP (1) EP4292109A1 (fr)
CN (1) CN117043899A (fr)
DE (1) DE102021203048A1 (fr)
WO (1) WO2022200418A1 (fr)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4122796A1 (de) * 1991-07-10 1993-01-21 Abb Patent Gmbh Induktives bauelement und verfahren zu seiner herstellung
US20080278275A1 (en) 2007-05-10 2008-11-13 Fouquet Julie E Miniature Transformers Adapted for use in Galvanic Isolators and the Like
US8179223B2 (en) * 2006-10-31 2012-05-15 Mitsubishi Electric Corporation Sheet type transformer and discharge lamp lighting apparatus
JP5449424B2 (ja) 2012-02-14 2014-03-19 三菱電機株式会社 車載用電力変換装置
KR101897725B1 (ko) * 2014-04-08 2018-09-12 지멘스 악티엔게젤샤프트 과전류 손상으로부터 전기적 모듈러 유닛을 보호하기 위한 방법
JP2016134487A (ja) 2015-01-19 2016-07-25 新電元工業株式会社 トランスの巻線接続構造及びトランスの製造方法
DE202016104380U1 (de) 2016-08-09 2016-08-24 Abb Schweiz Ag Traktionsumrichter
DE102018209371B4 (de) 2018-06-12 2022-07-14 TRUMPF Hüttinger GmbH + Co. KG Anordnung mit einer Leiterkarte und einem Transformator sowie Verwendung einer solchen Anordnung

Also Published As

Publication number Publication date
WO2022200418A1 (fr) 2022-09-29
DE102021203048A1 (de) 2022-09-29
CN117043899A (zh) 2023-11-10

Similar Documents

Publication Publication Date Title
EP1776709B1 (fr) Composant inductif pour courants eleves et procede de production de ce composant
EP3349344B1 (fr) Système de filtre
DE102019103770A1 (de) Vorrichtung zur Umwandlung von elektrischer Energie in Wärme und elektrische Heizvorrichtung mit einer solchen Vorrichtung
EP2302782A1 (fr) Agencement de convertisseur de courant
EP0578116A1 (fr) Arrangement de condensateur de sortie d'un dispositif d'alimentation en courant commuté
EP3404818B1 (fr) Dispositif de semi-conducteurs
DE10238321A1 (de) Leistungswandler
EP3642858B1 (fr) Condensateur de circuit intermédiaire
WO2018095623A1 (fr) Condensateur, en particulier condensateur de circuit intermédiaire pour un système multiphasé
EP3207613A1 (fr) Ensemble de bobines pour une transmission d'énergie par induction, dispositif de transmission d'énergie par induction et procédé de fabrication d'un ensemble de bobines pour la transmission d'énergie par induction
DE102015216771A1 (de) Kondensator, insbesondere Zwischenkreiskondensator für ein Mehrphasensystem
WO2017008833A1 (fr) Noyau magnétique et bobine de choc ou transformateur équipé d'un tel noyau magnétique
DE102018220415A1 (de) Transformator, Gleichspannungswandler und elektrischer Kraftwagen
WO2022200418A1 (fr) Dispositif de connexion électrique doté d'un piège planaire
DE102016209271A1 (de) Verbindungsanordnung, insbesondere zur Verwendung in Elektrofahrzeugen oder Hybridfahrzeugen
DE102020200566A1 (de) Leistungsmodul zum Betreiben eines Elektrofahrzeugantriebs mit erhöhter Störfestigkeit
DE102019202728A1 (de) Schaltungsanordnung zur Ansteuerung einer elektrischen Maschine
WO2021122256A1 (fr) Dispositif électrique pour convertisseur, convertisseur et agencement avec machine électrique et convertisseur
DE102016217723A1 (de) Elektrische Verbindungsanordnung, insbesondere zur Verwendung in Elektrofahrzeugen oder Hybridfahrzeugen
DE102023102384A1 (de) Busbarstruktur für einen Stromrichter und Baugruppe umfassend einen Elektromotor und einen Stromrichter mit einer Busbarstruktur
DE3238806C2 (de) Symmetriereinrichtung
DE102023101144A1 (de) Filter zur Unterdrückung von Gleichtaktstörungen und/oder Gegentaktstörungen
DE102015221710A1 (de) Spulenanordnung, Stator und mehrdimensionaler Antrieb
DE102023203246A1 (de) Niederinduktiver Zwischenkreiskondensator, Stromrichter mit einem solchen Zwischenkreiskondensator
WO2023066621A1 (fr) Dispositif de barre omnibus et appareil de condensateur de circuit intermédiaire disposant d'une action d'amortissement, et véhicule à moteur

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: UNKNOWN

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20230915

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)