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FR2762750A1 - FLAT CONDUCTOR BAR ASSEMBLY FOR A CONVERTER - Google Patents

FLAT CONDUCTOR BAR ASSEMBLY FOR A CONVERTER Download PDF

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Publication number
FR2762750A1
FR2762750A1 FR9804949A FR9804949A FR2762750A1 FR 2762750 A1 FR2762750 A1 FR 2762750A1 FR 9804949 A FR9804949 A FR 9804949A FR 9804949 A FR9804949 A FR 9804949A FR 2762750 A1 FR2762750 A1 FR 2762750A1
Authority
FR
France
Prior art keywords
capacitor
converter
conductive bars
busbars
bars
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.)
Granted
Application number
FR9804949A
Other languages
French (fr)
Other versions
FR2762750B1 (en
Inventor
Manfred Zengerle
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.)
DaimlerChrysler Rail Systems Schweiz AG
Alstom Transportation Germany GmbH
Original Assignee
ABB Daimler Benz Transportation Schweiz AG
ABB Daimler Benz Transportation Technology 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 ABB Daimler Benz Transportation Schweiz AG, ABB Daimler Benz Transportation Technology GmbH filed Critical ABB Daimler Benz Transportation Schweiz AG
Publication of FR2762750A1 publication Critical patent/FR2762750A1/en
Application granted granted Critical
Publication of FR2762750B1 publication Critical patent/FR2762750B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
    • H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
    • H05K3/34—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
    • H05K3/341—Surface mounted components
    • H05K3/3431—Leadless components
    • H05K3/3442—Leadless components having edge contacts, e.g. leadless chip capacitors, chip carriers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L23/00—Details of semiconductor or other solid state devices
    • H01L23/58—Structural electrical arrangements for semiconductor devices not otherwise provided for, e.g. in combination with batteries
    • H01L23/64—Impedance arrangements
    • H01L23/642—Capacitive arrangements
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/0001—Technical content checked by a classifier
    • H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
    • H05K2201/10007—Types of components
    • H05K2201/10015—Non-printed capacitor
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
    • H05K2201/10227—Other objects, e.g. metallic pieces
    • H05K2201/10272—Busbars, i.e. thick metal bars mounted on the printed circuit board [PCB] as high-current conductors
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
    • H05K2201/10613—Details of electrical connections of non-printed components, e.g. special leads
    • H05K2201/10621—Components characterised by their electrical contacts
    • H05K2201/10636—Leadless chip, e.g. chip capacitor or resistor
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/40—Forming printed elements for providing electric connections to or between printed circuits
    • H05K3/4092—Integral conductive tabs, i.e. conductive parts partly detached from the substrate
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Power Conversion In General (AREA)
  • Rectifiers (AREA)

Abstract

L'invention concerne un ensemble plat de barres conductrices pour un convertisseur permettant de relier électriquement les bornes de semi conducteurs de puissance (7) montés sur un dispositif de refroidissement (8). L'ensemble plat (1) de barres conductrices est formé d'au moins deux barres conudctrices (2, 3) isolées électriquement l'une par rapport l'autre. Au moins un condensateur (9), notamment un condensateur de filtrage, est monté directement sur une surface principale de l'ensemble (1) de barres conductrices et est relié aux bornes (10, 11) de connexion électrique.L'invention permet d'obtenir une construction compacte des convertisseurs et de réaliser des connexions courtes, présentant une très faible inductance.The invention relates to a flat set of busbars for a converter for electrically connecting the power semiconductor terminals (7) mounted on a cooling device (8). The flat assembly (1) of conducting bars is formed of at least two connecting bars (2, 3) electrically insulated from one another. At least one capacitor (9), in particular a filtering capacitor, is mounted directly on a main surface of the assembly (1) of conductive bars and is connected to the terminals (10, 11) of electrical connection. '' obtain a compact construction of converters and make short connections, presenting a very low inductance.

Description

Ensemble plat de barres conductrices, pour un convertisseur L'inventionFlat set of busbars, for a converter The invention

concerne un ensemble plat de barres conductrices destiné à un convertisseur, pour connecter électriquement les bornes de  relates to a flat set of conductive bars intended for a converter, for electrically connecting the terminals of

semi-conducteurs de puissance montés sur un dispositif de refroidisse-  power semiconductors mounted on a cooling device

ment, comprenant au moins deux barres conductrices isolées électrique-  ment, comprising at least two electrically insulated busbars

ment l'une par rapport à l'autre. Une application possible de l'invention concerne des convertisseurs à transistors de faible et moyenne puissance  one with respect to the other. A possible application of the invention relates to converters with low and medium power transistors

destinés à des tramways et à des métros.  intended for trams and metros.

Par le document DE 44 12 990 A1, on connaît un ensemble convertisseur à semi-conducteurs de puissance refroidis par liquide ou par  Document DE 44 12 990 A1 discloses a power semiconductor converter assembly cooled by liquid or by

air et à circuit intermédiaire à tension continue, dans lequel les semi-  air and DC link circuit, in which the semi-

conducteurs sont disposés sur une barre formant radiateur et la connexion électrique des semi-conducteurs entre eux et avec des condensateurs de batteries de condensateurs d'un circuit intermédiaire à tension continue est réalisée au moyen de barres de liaison (connexion sandwich, connexion multicouches) disposées parallèlement à la barre formant radiateur. On obtient ainsi des liaisons électriques très courtes entre les semi-conducteurs de puissance, avec une inductance faible, qui peut être  conductors are arranged on a bar forming a radiator and the electrical connection of the semiconductors with each other and with capacitors from capacitor banks of a DC link intermediate circuit is carried out by means of connecting bars (sandwich connection, multilayer connection) arranged parallel to the radiator bar. Very short electrical connections are thus obtained between the power semiconductors, with a low inductance, which can be

calculée avec précision.precisely calculated.

L'invention a pour objectif de proposer un ensemble plat de bar-  The invention aims to provide a flat set of bars

res conductrices pour un convertisseur qui permette d'optimiser ledit  conductive res for a converter which optimizes said

convertisseur dans le sens d'une plus grande compacité.  converter in the direction of greater compactness.

Cet objectif est atteint selon l'invention par le fait qu'au moins un condensateur - notamment un condensateur de filtrage - est monté  This objective is achieved according to the invention by the fact that at least one capacitor - in particular a filtering capacitor - is mounted

directement sur une surface principale de l'ensemble de barres conductri-  directly on a main surface of the conductive busbar assembly

ces et est connecté à des éléments de connexion électriques des barres conductrices. Le condensateur peut être du type bobiné plat, bobiné rond ou à  these and is connected to electrical connection elements of the busbars. The capacitor can be of the flat wound, round wound or

plis superposés.overlapping folds.

Selon une caractéristique de l'invention, la connexion électrique est réalisée par l'intermédiaire de tôles de connexion des barres conductri-  According to a characteristic of the invention, the electrical connection is made by means of connection plates of the conductive bars.

ces, qui sont soudées à des surfaces de contact du condensateur.  these, which are soldered to the contact surfaces of the capacitor.

Selon une caractéristique supplémentaire de l'invention, le  According to an additional characteristic of the invention, the

condensateur est pourvu d'un revêtement de protection.  capacitor is provided with a protective coating.

Les avantages procurés par l'invention résident notamment dans le fait que, par l'intégration d'un ou de plusieurs condensateurs dans l'ensemble de barres conductrices, on réduit l'encombrement et le poids du convertisseur. On réalise ainsi l'économie d'un ensemble séparé de barres  The advantages provided by the invention lie in particular in the fact that, by integrating one or more capacitors into the set of busbars, the size and the weight of the converter are reduced. This saves the cost of a separate set of bars

conductrices pour relier des semi-conducteurs de puissance au condensa-  conductors to connect power semiconductors to the condensa-

teur. On obtient par ailleurs une connexion à très faible inductance du  tor. We also obtain a connection with very low inductance of the

condensateur, ce qui est très avantageux notamment sur le plan de la pro-  capacitor, which is very advantageous especially in terms of pro-

tection contre les surintensités ou les surtensions.  overcurrent or overvoltage protection.

D'autres avantages de l'invention apparaîtront au cours de la  Other advantages of the invention will become apparent during the

description qui va suivre.description which follows.

L'invention est décrite ci-après de manière détaillée à l'aide de l'exemple de réalisation représenté sur le dessin. La figure unique montre une coupe en perspective d'une partie d'un convertisseur. On reconnaît sur  The invention is described below in detail using the embodiment shown in the drawing. The single figure shows a perspective section of part of a converter. We recognize on

le dessin un ensemble plat de barres conductrices (de type sandwich, mul-  drawing a flat set of busbars (sandwich type, multiple

ticouche) à faible inductance qui est formé de deux barres conductrices du courant 2, 3 parallèles, serrées l'une contre l'autre, entre lesquelles est placé un isolant 4 électrique et dont les surfaces extérieures sont revêtues  ticouche) with low inductance which is formed by two conductive bars of the current 2, 3 parallel, tight against one another, between which is placed an electrical insulator 4 and whose external surfaces are coated

d'isolants électriques 5, 6.electrical insulation 5, 6.

L'ensemble de barres conductrices 1 est relié de manière directe, par des liaisons très courtes, à des bornes électriques non représentées de semi-conducteurs de puissance 7 (par exemple de transistors bipolaires à base isolée, plus connus sous les initiales "IGBT", en anglais "Insulated Gate Bipolar Transistor"). Ces semi-conducteurs de puissance 7 sont montés sur un dispositif de refroidissement 8 à refroidissement par air ou  The set of conductive bars 1 is directly connected, by very short links, to electrical terminals not shown of power semiconductors 7 (for example bipolar transistors with isolated base, better known by the initials "IGBT" , in English "Insulated Gate Bipolar Transistor"). These power semiconductors 7 are mounted on an air-cooled cooling device 8 or

par liquide.by liquid.

Sur la surface principale de l'ensemble de barres conductrices 1 éloignée des semi-conducteurs de puissance 7, de préférence entre les  On the main surface of the set of conductive bars 1 remote from the power semiconductors 7, preferably between the

zones de connexion des semi-conducteurs 7 ou dans des cavités du conver-  semiconductor connection zones 7 or in cavities of the converter

tisseur, est disposé au moins un condensateur 9 - de préférence plusieurs  weaver, is arranged at least one capacitor 9 - preferably several

condensateurs -. En ce qui concerne le condensateur, il s'agit d'un conden-  capacitors -. Regarding the capacitor, it is a condens-

sateur nécessaire dans le branchement électrique du convertisseur, notamment d'un condensateur de filtrage. Le condensateur 9 est réalisé en plis superposés (de type paravent), est bobiné plat ou bobiné rond. La connexion électrique entre le condensateur 9 et l'ensemble de barres conductrices 1 est réalisée par des tôles de connexion 10, 1 1 qui sont pliées à angle droit à partir des barres conductrices 3, 2 et sont soudées à 1) des surfaces de contact 12 des condensateurs. La barre conductrice 3 est pourvue d'un évidement permettant le passage électriquement isolé de la  sator required in the electrical connection of the converter, in particular a filtering capacitor. The capacitor 9 is produced in superimposed folds (of the folding screen type), is wound flat or wound round. The electrical connection between the capacitor 9 and the set of conductive bars 1 is made by connection plates 10, 1 1 which are bent at right angles from the conductive bars 3, 2 and are welded to 1) contact surfaces 12 of the capacitors. The conductive bar 3 is provided with a recess allowing the electrically isolated passage of the

tôle de connexion 11 de la barre conductrice 2.  connection plate 11 of the busbar 2.

Le condensateur 9 ne comporte pas de boîtier propre. Afin d'assurer la protection contre l'humidité, le condensateur, après  The capacitor 9 does not have a clean housing. In order to protect against humidity, the capacitor, after

connexion de ses bornes, est pourvu d'un revêtement de protection hydro-  connection of its terminals, is provided with a hydro- protective coating

fuge élastique. En cas de défectuosité le condensateur peut être remplacé  elastic fuge. In case of defect the capacitor can be replaced

de manière simple après élimination du revêtement de protection.  simply after removing the protective coating.

Comme solution alternative, il est également possible de munir le condensateur 9 d'un revêtement de protection avant sa connexion. Les emplacements de contact, dans ce cas, restent libres de tout revêtement et  As an alternative solution, it is also possible to provide the capacitor 9 with a protective coating before its connection. The contact locations, in this case, remain free of any coating and

ne sont protégés qu'une fois les branchements réalisés.  are only protected once the connections have been made.

Claims (6)

REVENDICATIONS 1. Ensemble plat de barres conductrices destiné à un convertis-  1. Flat set of conductive bars intended for a convert- seur pour connecter les bornes de semi-conducteurs de puissance (7) mon-  to connect the power semiconductor terminals (7) mon- tés sur un dispositif de refroidissement (8), comprenant au moins deux barres conductrices (2, 3) isolées électriquement l'une par rapport à l'autre, caractérisé par le fait qu'au moins un condensateur (9) notamment un condensateur de filtrage -est monté directement sur une surface principale de l'ensemble de barres conductrices (1) et est relié  tees on a cooling device (8), comprising at least two conductive bars (2, 3) electrically insulated from one another, characterized in that at least one capacitor (9) in particular a capacitor of filtering -is mounted directly on a main surface of the busbar assembly (1) and is connected à des éléments de connexion électriques (10, 11) des barres conductrices.  to electrical connection elements (10, 11) of the busbars. 2. Ensemble de barres conductrices selon la revendication 1,  2. Set of conductive bars according to claim 1, caractérisé par une construction du condensateur (9) en bobine plate.  characterized by a construction of the capacitor (9) in a flat coil. 3. Ensemble de barres conductrices selon la revendication 1,  3. Set of conductive bars according to claim 1, caractérisé par une construction du condensateur (9) en bobine ronde.  characterized by a construction of the capacitor (9) in a round coil. 4. Ensemble de barres conductrices selon une quelconque des  4. Set of busbars according to any one of revendications 1 à 3, caractérisé par une construction du condensateur (9)  Claims 1 to 3, characterized by a construction of the capacitor (9) en plis superposés.in overlapping folds. 5. Ensemble de barres conductrices selon une quelconque des  5. Set of bus bars according to any one of revendications 1 à 4, caractérisé par le fait que la connexion électrique est  Claims 1 to 4, characterized in that the electrical connection is réalisée par l'intermédiaire de tôles de connexion (10, 11) des barres conductrices (2, 3) qui sont soudées à des surfaces de contact (12) du  produced by means of connection plates (10, 11) of the conductive bars (2, 3) which are welded to contact surfaces (12) of the condensateur (9).capacitor (9). 6. Ensemble de barres conductrices selon une quelconque des  6. Set of busbars according to any one of revendications 1 à 5, caractérisé par le fait que le condensateur (9) est  Claims 1 to 5, characterized in that the capacitor (9) is pourvu d'un revêtement de protection.  provided with a protective coating.
FR9804949A 1997-04-25 1998-04-21 FLAT CONDUCTOR BAR ASSEMBLY FOR A CONVERTER Expired - Fee Related FR2762750B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19717550A DE19717550A1 (en) 1997-04-25 1997-04-25 Flat bus=bar packet for transistorised rectifier apparatus

Publications (2)

Publication Number Publication Date
FR2762750A1 true FR2762750A1 (en) 1998-10-30
FR2762750B1 FR2762750B1 (en) 2000-04-14

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
FR9804949A Expired - Fee Related FR2762750B1 (en) 1997-04-25 1998-04-21 FLAT CONDUCTOR BAR ASSEMBLY FOR A CONVERTER

Country Status (2)

Country Link
DE (1) DE19717550A1 (en)
FR (1) FR2762750B1 (en)

Families Citing this family (14)

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Publication number Priority date Publication date Assignee Title
DE19849858A1 (en) * 1998-10-29 2000-05-04 Abb Daimler Benz Transp Capacitor assembly for a converter device
DE19851161A1 (en) * 1998-11-06 2000-05-11 Abb Daimler Benz Transp Converter with DC and AC busbars
JP3502566B2 (en) * 1999-05-18 2004-03-02 三菱電機株式会社 Power converter
JP3351410B2 (en) 1999-12-20 2002-11-25 株式会社村田製作所 Inverter capacitor module, inverter and capacitor module
JP3622782B2 (en) * 2000-03-14 2005-02-23 三菱電機株式会社 Semiconductor device
JP3624798B2 (en) * 2000-06-07 2005-03-02 株式会社村田製作所 Inverter capacitor module, inverter
DE10037970A1 (en) 2000-08-03 2002-03-07 Siemens Ag Low induction busbar for a matrix converter
WO2012108048A1 (en) * 2011-02-10 2012-08-16 三菱電機株式会社 Power conversion device
DE102012008750B4 (en) 2011-05-30 2024-07-18 Sew-Eurodrive Gmbh & Co Kg Connectors of devices with similar connections and converter arrangement
DE102011105346A1 (en) * 2011-06-21 2012-12-27 Schweizer Electronic Ag Electronic assembly and method of making the same
DE102011088250A1 (en) * 2011-12-12 2013-06-13 Robert Bosch Gmbh Power module for an electric drive
DE102014213784A1 (en) * 2014-07-16 2016-01-21 Siemens Aktiengesellschaft inverter
DE102015219643A1 (en) 2015-10-09 2017-04-27 Conti Temic Microelectronic Gmbh Electric motor-inverter
EP3267571A1 (en) 2016-07-07 2018-01-10 Siemens Aktiengesellschaft Device for the electrical connection of at least one electrical component with a first and a second busbar

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DE3609065A1 (en) * 1986-03-18 1987-09-24 Siemens Ag LOW-INDUCTIVE RAILING
DE9016083U1 (en) * 1990-11-27 1991-02-14 Thomas & Betts Corp., Bridgewater, N.J. Plug
DE4110339A1 (en) * 1990-03-30 1991-10-02 Mitsubishi Electric Corp INVERTER UNIT WITH IMPROVED CIRCUIT BOARD CONFIGURATION
US5246389A (en) * 1993-02-23 1993-09-21 Amphenol Corporation High density, filtered electrical connector

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DE3438062C1 (en) * 1984-10-17 1986-01-23 Ernst Roederstein Spezialfabrik für Kondensatoren GmbH, 8300 Landshut Interference protection capacitor arrangement and method for its production
DE3543653A1 (en) * 1985-12-11 1987-06-19 Standard Elektrik Lorenz Ag ELECTRIC CAPACITOR
DE3636714C2 (en) * 1986-10-28 1993-11-25 Roederstein Kondensatoren Use of a film capacitor as a capacitive busbar
DE4314634A1 (en) * 1993-05-04 1994-11-10 Abb Patent Gmbh Busbar system
JP3213671B2 (en) * 1994-10-26 2001-10-02 三菱電機株式会社 Power converter

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DE3609065A1 (en) * 1986-03-18 1987-09-24 Siemens Ag LOW-INDUCTIVE RAILING
DE4110339A1 (en) * 1990-03-30 1991-10-02 Mitsubishi Electric Corp INVERTER UNIT WITH IMPROVED CIRCUIT BOARD CONFIGURATION
DE9016083U1 (en) * 1990-11-27 1991-02-14 Thomas & Betts Corp., Bridgewater, N.J. Plug
US5246389A (en) * 1993-02-23 1993-09-21 Amphenol Corporation High density, filtered electrical connector

Also Published As

Publication number Publication date
FR2762750B1 (en) 2000-04-14
DE19717550A1 (en) 1998-10-29

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