EP3257142A1 - Procédé de fabrication d'un enroulement autour d'un pôle saillant d'une machine synchrone - Google Patents

Procédé de fabrication d'un enroulement autour d'un pôle saillant d'une machine synchrone

Info

Publication number
EP3257142A1
EP3257142A1 EP16700414.2A EP16700414A EP3257142A1 EP 3257142 A1 EP3257142 A1 EP 3257142A1 EP 16700414 A EP16700414 A EP 16700414A EP 3257142 A1 EP3257142 A1 EP 3257142A1
Authority
EP
European Patent Office
Prior art keywords
conductor
sub
conductors
rotor
coil
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Withdrawn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
EP16700414.2A
Other languages
German (de)
English (en)
Inventor
Horst KÜMMLEE
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 AG
Original Assignee
Siemens AG
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 AG filed Critical Siemens AG
Publication of EP3257142A1 publication Critical patent/EP3257142A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/08—Forming windings by laying conductors into or around core parts
    • H02K15/095—Forming windings by laying conductors into or around core parts by laying conductors around salient poles
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/06—Embedding prefabricated windings in machines
    • H02K15/062—Windings in slots; salient pole windings
    • H02K15/064—Windings consisting of separate segments, e.g. hairpin windings
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K19/00—Synchronous motors or generators
    • H02K19/16—Synchronous generators
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K19/00—Synchronous motors or generators
    • H02K19/16—Synchronous generators
    • H02K19/26—Synchronous generators characterised by the arrangement of exciting windings
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
    • H02K3/18—Windings for salient poles
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
    • H02K3/28—Layout of windings or of connections between windings
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/46—Fastening of windings on the stator or rotor structure
    • H02K3/52—Fastening salient pole windings or connections thereto
    • H02K3/527—Fastening salient pole windings or connections thereto applicable to rotors only

Definitions

  • the invention relates to a method for producing a rotor for a synchronous machine, which is suitable for a rotational speed of more than 1000 U / min, comprising at least one exciter coil, wherein the at least one exciter coil each having at least two windings, which consists of several parallel electrically Conductive connected rectangular sub-conductors exist.
  • the invention further relates to a rotor for a synchronous machine, which can be produced with such a method.
  • the invention relates to a synchronous machine having at least one such rotor.
  • Rotating electrical machines are designed for example as Syn ⁇ chronmaschinen, in particular a three-phase synchronous machines.
  • Such three-phase synchronous machines can be operated, for example, as a motor or as a generator.
  • the rotor which is also called rotor, permanent magnets or electromagnets have.
  • the rotor permanent magnets in particular at its outer periphery is used, then one speaks of a permanently excited synchronous machine, with a limited mechanical strength re ⁇ consulted from the use of permanent magnets.
  • a high speed can occur due to the then very strong centrifugal forces lead to a detachment or deformation of the surface permanent magnets.
  • an electromagnet is used on the rotor, this is called a synchronous machine excited by the outside.
  • a conductor of the electromagnet must provide the necessary
  • European Patent EP 1 287 601 B1 discloses a winding for a stator or rotor of an electrical machine with an iron body with grooves, which is constructed at least partially from L-shaped molded parts.
  • one leg of an L-shaped molded part forms a slot in ei ⁇ ner groove bar and the other leg lying on a front side of the stator or rotor connector ⁇ merge.
  • French Patent Application FR 2 299 754 A1 discloses a superconducting field winding for the rotor of a turbogenerator.
  • the invention has for its object to provide a method for
  • a method for producing a rotor for a synchronous machine which is suitable for a rotational speed of more than 1000 U / min, comprising at least one excitation coil, wherein the at least one excitation ⁇ coil each having at least two turns, which from consist of several parallel electrically conductively connected rectangular-shaped sub-conductors, wherein the excitation coil with a continuous winding and soldering process is produced such that the plurality of parallel rectangular sub-conductors are first loosely assembled together to form an overall conductor, then the overall conductor is wound into a exciter coil and the sub-conductors of the Baclei ⁇ ters directly after the winding continuously to a massive Excitation coil are soldered together with a rigid overall conductor. Furthermore, the object is achieved by a rotor for a synchronous machine, which for a speed of more than
  • 1000 U / min is suitable, which can be produced with such a method, comprising at least one Erre ⁇ gerspule, wherein the excitation coil has a plurality of longitudinally electrically conductively connected rectangular sub-conductor ⁇ and wherein each sub-conductor is integrally formed.
  • the object is achieved by a synchronous machine which is suitable for a rotational speed of more than 1000 rpm and has at least one such rotor.
  • the sub-conductors are soldered together using a soft soldering process. Since the mechanical loads between the parallel rectangular sub-conductors are not very high, a soft soldering process is sufficient to hold them together to form a rigid overall conductor. In this way, cleaning and cleaning work is minimized. With corresponding devices, a complete pole coil with all windings can be produced in a continuous production process.
  • the sub-conductors are positioned and / or held together by a forming device during the continuous soldering operation. This ensures that the sub-conductors are precisely positioned and soldered in the desired shape as long as the solder has not yet cooled. As a result of the formation device , the accuracy of the production is increased.
  • a forming device Preferably, between the at least two turns one
  • Insulation used which has a high voltage resistant electrically insulating plastic, in particular aramid, and which is suitable for insulating the at least two turns against each other. This is particularly advantageous since a compact, high-voltage resistant and low-loss coil can be realized in this way.
  • the parallel rectangular-shaped partial conductors are made from standard semifinished products, in particular from copper. These standard semifinished products can be at ⁇ play as rectangular wires. This is advantageous because it can be dispensed with custom-made moldings, resulting in a cost savings.
  • a cooling lug is formed from a part of the partial conductor on at least one outer part ⁇ conductor. This increases the surface of the conductor, which has an advantageous effect on the cooling of the excitation coil through which current flows. A lower temperature results in lower Verlus ⁇ th in the excitation coil, because the resistivity of copper increases with temperature.
  • the exciting coil is alternately wound with two under ⁇ differently wide copper conductors, a cooling coil and a standard gyrus, the effort of the technical ⁇ rule implementation is considerably less, resulting in a cost savings.
  • the cooling vane is formed with a crimping tool.
  • the formation of preferably locally arranged at regular intervals cooling vanes with a suitable crimping tool is particularly simple, inexpensive and good repro ⁇ ducible.
  • at least a portion of a pole piece and at least a portion of a laminated core of the rotor are made in one piece and the excitation coil is wound directly around the laminated core with the pole piece.
  • the windings of the exciter coil have a rounded radius shape at the corners. Since ⁇ through to notch stresses in the corners avoided.
  • FIG. 10 shows a cross section of a synchronous machine.
  • 1 shows a three-dimensional representation of a rotor 1 of a synchronous machine 29 according to the prior art.
  • Such three-phase synchronous motors can be operated, for example, as a motor or as a generator.
  • the synchronous machine 29 is designed in particular as a high-speed drive with a speed of more than 1000 rpm with a high power of more than one megawatt. Thereof, and by the resulting very strong centrifugal forces which occur in such ho ⁇ hen speeds, high demands on the electromagnetic and 1 on the mechanical properties of the rotor It is exemplified by a four-pole rotor 1 with external excitation, the four Exciter coils 2 are arranged offset by 90 °.
  • the exciter coils 2 have windings 3, which are wound around a laminated core 4, which preferably consists of iron. Each excitation coil 2 is held in ra ⁇ dialer direction from a pole piece 5, which is fixed by screws 6 to the laminated core. 4 Furthermore, the pole piece 5 has the task to let the magnetic field lines of the current-carrying excitation coil 2 emerge in a defined form and distribute. Winding supports 7 stabilize the excitation coils 2 in addition.
  • a shaft 9 is rotatably connected to the laminated core 4 of the rotor 1.
  • the laminated core 4 with the excitation coils 2 is cooled by a fan 8. To avoid Kerbbe pipe in the corners, the windings 3 of the excitation coils 2 are wound octagonally or octagonally.
  • the 2 shows a three-dimensional representation of an exciter coil ⁇ 2 according to the prior art.
  • the square Erre ⁇ gerspule 2 consists of individual copper mold profiles 12, for example, flat copper which are manufacturedschnit ⁇ th from shaped profiles and are then mengelötet at the four corners 13 frontally with a Ecklötung 11 into a continuous coil together.
  • the individual windings 3 of the exciter coil 2 are electrically isolated from each other by an insulation 10.
  • the feeding of the current into the excitation coil 2 he follows ⁇ over leads 14.
  • the manufacturing process of Excitation coil 2, as shown in FIG 2, is very time consuming and costly. In the area of the corners 13, high notch stresses occur.
  • FIG. 3 shows a cross-section of the rotor 1 of a synchronous machine 29.
  • the exemplary four orthogonally arranged ⁇ excitation coils 2 are held in the radial direction from a respective pole piece 5, which is attached with bolts 6 to the laminated core.
  • the shaft is non-rotatable and preferably cohesively connected to the laminated core 4 of the rotor 1 verbun ⁇ .
  • the individual windings 3 of the excitation coils 2 are preferably made of copper and are electrically insulated by an insulation 10 of ⁇ each other and the laminated core 4.
  • the 5 pole shoes bear with their approximation approximately mushroom-shaped cross-section helps to distribute the magnetic field so that the rotor 1 produces a homogeneous as possible Mag ⁇ netfeld.
  • FIG. 4 shows a three-dimensional representation of a continu- ous winding and soldering method according to the invention for an exciting coil 2 with 1x3 portion of conductors 15, wherein the partial ⁇ conductors 15 overlie one another and an identical preferably square cross-sectional area have.
  • the parallel rectangular sub-conductors 15 may preferably be made of standard semi-finished products, in particular of copper, and in the first step are loosely joined together to form a Monlei ⁇ ter 16.
  • the connection of several Sectionlei ⁇ ter 15, which are integrally formed in their full length, to a total conductor 16 the production of different conductor geometries is possible.
  • the resulting loosely connected Ge ⁇ velvet conductor 16 is wound with a winding mandrel 17 to an excitation coil 2 (see FIG 6).
  • the sub-conductors 15 of the total conductor 16 are then directly after the winding with a
  • Soldering device 18 continuously soldered together to form a solid excitation coil 2 with a rigid overall conductor 16. Soldering the parallel strands with a Lot 20 is necessary to ensure a rigid connection. afford, which gives the so-connected total conductor 16 the necessary Biegetragrise for the occurring centrifugal loading ⁇ tions. Since these "internal" loads are not very high, a soft soldering process is sufficient to minimize the cleaning and cleaning work. During the continuous soldering operation, the sub-conductors 15 are held together by forming means 19 in the desired position. The manufacturing method shown in FIG. 4 can be used both for salient-pole machines and for full-pole machines.
  • FIG 5 shows a three-dimensional representation of a continu ⁇ ous winding and soldering an exciting coil 2 with 2x2 partial conductors 15.
  • the manufacturing process corresponds to the process shown in Figure 4, wherein in FIG 4 by way of example four square conductor elements 15 with identical cross-section ⁇ surface into a square overall head 16 are processed. Accordingly, the conductor 15 from two sides must lengthwise loose at a total head of 16 joined the ⁇ . After the joining of the conductor 15 of the RECT, loosely coupled square overall conductor 16 having a mandrel 17 to an exciting coil 2 (see FIG 6) ge ⁇ wound and soldered together directly after the winding continuously to a massive exciter coil.
  • FIG. 5 shows a three-dimensional representation of a part ei ⁇ ner exciter coil 2 with 1x3 sub-conductors, which has two windings 3 by way of example, wherein the total conductor 16 has been produced with the continuous winding and soldering process shown in FIG.
  • an insulation 10 which has a high voltage-resistant ⁇ electrically insulating plastic, in particular aramid, and which is adapted to isolate the windings 3 against each other at ⁇ .
  • the windings 3 the exciter coil 2 have at the corners a favorable rounded radius 21, whereby a stress concentration in the corners is avoided. Inlets and outlets at the ends of the excitation coil 2 can be integrated without the use of additional connecting parts according to the same process.
  • FIG. 7 shows a three-dimensional representation of a part ei ⁇ ner excitation coil 2 with 2x2 sub-conductors, which by way of example comprises two windings 3, wherein the square Baclei ⁇ ter 16 was produced with the continuous winding and soldering process shown in FIG.
  • the two windings 3 illustrated an insulation used Zvi ⁇ rule 10, which has a high voltage-resistant electrically insulating plastic, in particular aramid, and wel ⁇ surface is adapted to isolate the two windings 3 against each other.
  • the windings 3 of the excitation coil 2 have at the corners of a favorable rounded radius 21, where ⁇ is avoided by a Kerbbe pipeung in the corners. Inlets and outlets at the ends of the exciter coil 2 can be integrated without the use of additional connecting parts according to the same process.
  • FIG. 8 shows a cross section of a part of a rotor of a synchronous machine with exciter coils with 2x2 partial conductors. It is an example of a four-pole rotor 1 with
  • the exemplary four pole shoes 5 and the laminated core 4 of the rotor 1 are produced in one piece.
  • the laminated core 4 can in the axial direction with the pole pieces 5, which are made of one piece, consist of several individual plates ⁇ .
  • the shaft is rotatably and preferred material ⁇ positively connected to the laminated core 4 of the rotor. 1
  • the excitation coil is wound directly around the laminated core with the pole piece.
  • the excitation coils 2 are wound directly around the Blechpa ⁇ ket 4 with the integrated pole pieces 5.
  • the Polschu ⁇ he 5 for example, with screws 6, the laminated core 4 mecha- to fix.
  • the total conductors 16 of the exciter coils 2 were produced by the continuous winding and soldering method shown in FIG.
  • the individual windings 3 of the exciter coils 2 are preferably made of copper and are electrically insulated from each other by an insulation 10 and from the laminated core 4.
  • the pole shoes 5 with their approximately mushroom-shaped cross-section also contribute to distributing the magnetic field, so that the rotor 1 generates a magnetic field which is as homogeneous as possible.
  • FIG. 9 shows a three-dimensional representation of a part ei ⁇ ner excitation coil 2 with 1x3 sub-conductors 15, 24 and cooling vanes 22, which are formed from a part of the outer sub-conductor 24.
  • the cooling vanes 22 increase the surface of the outer sub-conductor 24 to the outside, which has an advantageous effect on the cooling of the current-carrying excitation coil 2.
  • a lower temperature leads to lower losses in the excitation coil 2, since the specific resistance of copper increases with temperature.
  • the cooling lugs 22 are attached locally with suitable squeezing tools at regular intervals. Functional areas, such as Wicklungsstüt ⁇ zen 17, are thereby recessed accordingly.
  • FIG. 10 shows a cross section of a synchronous machine 29, which has a stator 25 and a rotor 1.
  • the stator has a laminated stator core 26 in which grooves 27 are located in which the stator windings 28 run.
  • the rotor rotates about a rotation axis 30 corresponds to the structure of the Ro ⁇ gate 1 is essentially that of Figure 8, wherein the total conductor 16 of the exciting coils 2 of 1x3 subconductors 15 are constructed and manufactured with the continuous winding and soldering process shown in FIG.
  • the invention thus relates to a method for producing a rotor 1 for a synchronous machine 29, which is suitable for a rotational speed of more than 1000 U / min, comprising at least one exciter coil 2, wherein the at least one exciter coil 2 each have at least two windings ⁇ third which consist of a plurality of parallel electrically conductive connected rectangular partial conductors 15.
  • the excitation coil 2 with a continuous winding and soldering method such that the plurality of parallel rectangular sub-conductors 15 are first loosely loosely joined to one another velvet conductor 16 are joined together, then the total conductor 16 is wound to an exciter coil 2 and the part ⁇ conductor 15 of the total conductor 16 are soldered directly after winding continuously to a massive field coil 2 with a rigid overall conductor 16.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacture Of Motors, Generators (AREA)
  • Windings For Motors And Generators (AREA)

Abstract

L'invention concerne un procédé de fabrication d'un rotor (1) destiné à une machine synchrone (29) qui peut atteindre une vitesse de rotation de plus de 1000 T/min et qui comporte au moins une bobine d'excitation (2). L'au moins une bobine d'excitation (2) comporte au moins deux enroulements (3) qui se composent d'une pluralité d'éléments conducteurs (15) rectangulaires parallèles reliés électriquement. Selon l'invention, pour fabriquer le rotor à faible coût et pour pouvoir l'utiliser à des vitesses de rotation élevées et à des charges centrifuges élevées qui lui sont associées, la bobine d'excitation (2) est réalisée avec un procédé d'enroulement et de soudage continu. Dans le procédé de fabrication, on assemble plusieurs éléments conducteurs (15) rectangulaires parallèles longitudinalement sans serrage pour former un conducteur complet (16), puis on enroule le conducteur complet (16) pour former une bobine d'excitation (2) et enfin, immédiatement après l'enroulement, on soude ensemble les éléments conducteurs (15) du conducteur complet (16) en continu pour former une bobine d'excitation massive (2) dont le conducteur complet (16) est rigide en flexion.
EP16700414.2A 2015-04-10 2016-01-12 Procédé de fabrication d'un enroulement autour d'un pôle saillant d'une machine synchrone Withdrawn EP3257142A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP15163237.9A EP3079242A1 (fr) 2015-04-10 2015-04-10 Procédé de fabrication de bobine autour d`un pole salisant pour une machine synchrone
PCT/EP2016/050431 WO2016162128A1 (fr) 2015-04-10 2016-01-12 Procédé de fabrication d'un enroulement autour d'un pôle saillant d'une machine synchrone

Publications (1)

Publication Number Publication Date
EP3257142A1 true EP3257142A1 (fr) 2017-12-20

Family

ID=52814930

Family Applications (2)

Application Number Title Priority Date Filing Date
EP15163237.9A Withdrawn EP3079242A1 (fr) 2015-04-10 2015-04-10 Procédé de fabrication de bobine autour d`un pole salisant pour une machine synchrone
EP16700414.2A Withdrawn EP3257142A1 (fr) 2015-04-10 2016-01-12 Procédé de fabrication d'un enroulement autour d'un pôle saillant d'une machine synchrone

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP15163237.9A Withdrawn EP3079242A1 (fr) 2015-04-10 2015-04-10 Procédé de fabrication de bobine autour d`un pole salisant pour une machine synchrone

Country Status (5)

Country Link
US (1) US20180102697A1 (fr)
EP (2) EP3079242A1 (fr)
CN (1) CN107210635B (fr)
BR (1) BR112017020543A2 (fr)
WO (1) WO2016162128A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2925389T3 (es) * 2018-07-31 2022-10-17 Ge Renewable Tech Rotor para un generador síncrono

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3766417A (en) * 1972-08-11 1973-10-16 Gen Electric Side support for synchronous rotor field winding
FR2211786B1 (fr) * 1972-12-23 1978-11-10 Eda Overseas Ltd
DE2503428C3 (de) * 1975-01-28 1978-12-14 Kraftwerk Union Ag, 4330 Muelheim Wicklungsträger zur Aufnahme einer supraleitenden Erregerwicklung im Läufer eines Turbogenerators
US4268003A (en) * 1977-11-02 1981-05-19 Liautaud James P Mold core and method and apparatus for manufacture
US4617725A (en) * 1984-10-01 1986-10-21 Siemens-Allis, Inc. Method of making multiple-element strap winding for rotor pole
JPH11122878A (ja) * 1997-10-17 1999-04-30 Hitachi Ltd 導体コイル端末の設計装置、及びその設計プログラムを記憶した記憶媒体
ES2219537T3 (es) 2000-06-08 2004-12-01 CONTINENTAL ISAD ELECTRONIC SYSTEMS GMBH & CO. OHG Bobinado para maquinas electricas y procedimiento para fabricar tal bobinado usando piezas moldeadas.
US6803684B2 (en) * 2001-05-15 2004-10-12 General Electric Company Super-conducting synchronous machine having rotor and a plurality of super-conducting field coil windings
DE10227227A1 (de) * 2002-06-18 2004-01-22 Siemens Ag Glimmschutz
US7015617B2 (en) * 2003-07-29 2006-03-21 Honeywell International, Inc. High speed generator with rotor coil support assemblies secured to interlamination disks
JP2005160143A (ja) * 2003-11-20 2005-06-16 Toyota Motor Corp 回転電機の固定子
DE102006041459A1 (de) * 2006-09-04 2008-03-13 Siemens Ag Armierte supraleitende Wicklung und Verfahren zu deren Herstellung
JP2008148470A (ja) * 2006-12-12 2008-06-26 Hitachi Ltd 集中巻コイルおよび集中巻きコイルの製造方法
JP5309595B2 (ja) * 2008-02-19 2013-10-09 住友電気工業株式会社 導線をコイルとして用いてなるモータ、リアクトル、前記導線の製造方法
US9985488B2 (en) * 2011-07-22 2018-05-29 RWXT Nuclear Operations Group, Inc. Environmentally robust electromagnets and electric motors employing same for use in nuclear reactors
DE102012010226B4 (de) * 2012-05-23 2021-11-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zur Herstellung einer elektrotechnischen Spule sowie elektrotechnische Spule undElektromaschine mit einer solchen
US20150279549A1 (en) * 2012-08-06 2015-10-01 The Trustees of Dartmouth College a nonprofit corporation of higher education (103c) Systems and methods for promoting low loss in parallel conductors at high frequencies
ES2634464T3 (es) * 2013-07-25 2017-09-27 Siemens Aktiengesellschaft Polo para una máquina eléctrica

Also Published As

Publication number Publication date
WO2016162128A1 (fr) 2016-10-13
EP3079242A1 (fr) 2016-10-12
CN107210635B (zh) 2019-08-02
US20180102697A1 (en) 2018-04-12
BR112017020543A2 (pt) 2018-07-17
CN107210635A (zh) 2017-09-26

Similar Documents

Publication Publication Date Title
EP3476024B1 (fr) Stator pour une machine rotative electrique
EP3542446B1 (fr) Bobine à enroulement ondulé pour un noyau feuilleté de stator d'une machine électrique
DE112014004639B4 (de) Drehende elektrische Maschine und Herstellungsverfahren für diese
EP2106632A2 (fr) Générateur de courant alternatif comprenant un stator et un enroulement statorique, inclus dans des encoches statoriques, constitué d'éléments d'enroulement ainsi qu'un procédé pour la fabrication d'un stator selon la présente invention
WO2006029992A1 (fr) Moteur synchrone a excitation permanente, a enroulements a fils plats
EP3216113B1 (fr) Rotor or stator avec tête de bobinage emboîté courte
EP3364524A1 (fr) Stator pour machine électrique
DE102010038486A1 (de) Wicklungen mit eckigem Querschnitt für Rotoren von elektrischen Maschinen
EP3142228A1 (fr) Stator de machine electrique et machine electrique et procede de fabrication
WO2021110193A1 (fr) Bobine, procédé de production d'une bobine et machine rotative électrique
EP3460957A1 (fr) Enroulement à barre pour un stator d'une machine tournante électrique
WO2019215097A1 (fr) Procédé de fabrication d'un enroulement pour un stator d'une machine électrique et machine électrique
DE3320805C2 (fr)
EP2026450B1 (fr) Machine électrique dotée d'un bobinage destiné à la production d'un champ rotatif et procédé de fabrication du bobinage
EP3145059A1 (fr) Cage d'ecureuil
DE60320165T2 (de) Drehende elektrische Maschine
EP3183799B1 (fr) Pièce active d'une machine électrique
WO2016162128A1 (fr) Procédé de fabrication d'un enroulement autour d'un pôle saillant d'une machine synchrone
WO2010145841A2 (fr) Stator pour moteur électrique
EP2680414B1 (fr) Procédé de fabrication d'une bobine pour le générateur d'une éolienne
WO2019149508A1 (fr) Rotor comprenant des conduits de refroidissement
EP3605797A1 (fr) Bobine sur dents pour un stator d'une machine tournante électrique
EP3534514A1 (fr) Enroulement de bobine pour un stator d'une machine tournante électrique
DE102021129198B3 (de) Rotor mit verschaltbaren Spuleneinheiten, elektrische Antriebsmaschine sowie Kraftfahrzeug
DE2159640C3 (de) Mehrphasiger elektrischer Schrittmotor

Legal Events

Date Code Title Description
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: 20170914

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

AX Request for extension of the european patent

Extension state: BA ME

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

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

Free format text: STATUS: GRANT OF PATENT IS INTENDED

INTG Intention to grant announced

Effective date: 20210119

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

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20210601