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WO2011091791A2 - Élément de fixation pour fixer un aimant sur un composant d'une machine électrique, module et composant doté d'un élément de fixation de ce type - Google Patents

Élément de fixation pour fixer un aimant sur un composant d'une machine électrique, module et composant doté d'un élément de fixation de ce type Download PDF

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Publication number
WO2011091791A2
WO2011091791A2 PCT/DE2011/000093 DE2011000093W WO2011091791A2 WO 2011091791 A2 WO2011091791 A2 WO 2011091791A2 DE 2011000093 W DE2011000093 W DE 2011000093W WO 2011091791 A2 WO2011091791 A2 WO 2011091791A2
Authority
WO
WIPO (PCT)
Prior art keywords
magnets
cap
adhesive
magnet
sheets
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
Application number
PCT/DE2011/000093
Other languages
German (de)
English (en)
Other versions
WO2011091791A3 (fr
Inventor
Norbert GÖTSCHMANN
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.)
Lloyd Dynamowerke & Co KG GmbH
Original Assignee
Lloyd Dynamowerke & Co KG 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 Lloyd Dynamowerke & Co KG GmbH filed Critical Lloyd Dynamowerke & Co KG GmbH
Publication of WO2011091791A2 publication Critical patent/WO2011091791A2/fr
Publication of WO2011091791A3 publication Critical patent/WO2011091791A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/27—Rotor cores with permanent magnets
    • H02K1/2706—Inner rotors
    • H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
    • H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
    • H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
    • H02K1/276—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]

Definitions

  • Fastening element for attaching a magnet to a component of an electrical machine, an assembly and component with such
  • the invention relates to a fastening element for fastening a magnet to a component of an electrical machine, in particular a rotor, from a cap. Furthermore, the invention relates to an assembly of an electrical machine and a component, in particular rotor, an electric machine with a base body and attached to the base body by means of a cap magnet. Such a fastener and such a component are from the
  • permanent magnets In order to avoid this, permanent magnets according to the prior art are either additionally held or secured by bandages. In this case, often bound by a polymer resin fiberglass tapes are used. They have the disadvantage that they insulate the heat that arises in the magnet as heat loss. Thus, the temperature of the magnets increases through the Bandage. This is undesirable because higher magnet temperatures favor the demagnetization of the magnets.
  • WO 2007/116118 AI it is also known to keep the magnets by box-like housing each of a lower housing part and a housing upper part in addition to secure.
  • the lower housing part is screwed to the rotor, which is very expensive.
  • the upper housing part forms a cap which covers the magnet or magnets arranged in the housing and thus holds it in a form-fitting manner.
  • the caps are bent in one piece from a metal sheet.
  • either the upper housing part or the lower housing part is made of a non-magnetic material and the other part is made of a magnetic material. If non-magnetic steel caps are used as housing upper part, they cause additional eddy current losses, which in turn contribute to increasing the rotor temperature and deteriorate the efficiency of the machine. Furthermore, one-piece caps can be limited.
  • the invention is based on the problem of proposing a fastening for the magnets on a component of an electric machine, by which the magnets are held securely, the risk of breakage for the magnets is minimized with simple and cost-effective installation and the creation of unnecessary heat loss.
  • the fastening element according to the invention is characterized in that the cap has a package of electrically mutually insulated sheets of a non-magnetic material, in particular a non-magnetic metal, preferably aluminum.
  • the electrically mutually insulated sheets are each arranged in a radial plane of the electric machine to solve this problem.
  • caps made of a laminated core with electrically mutually insulated sheets, the formation of eddy currents in the cap and thus the generation of heat loss due to eddy currents in the caps is effectively avoided. Furthermore, the magnets are secured by the caps. Since the current flow is due to eddy currents i in the axial direction of the electric machine (parallel to the rotor longitudinal axis) is directed, the plates are each in a radial plane of the electric machine, which also corresponds to a radial plane of the rotor. Due to the insulation between the sheets, the flow of current in the axial direction between the sheets is prevented.
  • the sheets do not need to be exactly perpendicular to the axial direction, that is to say they are arranged in a "geometrical" radial plane It is sufficient for the sheets to be at a sufficient angle to the axial direction in order to prevent the formation of eddy currents Orientation of the sheets that meets this condition is understood in the context of the present disclosure as a radial direction.
  • DE 10 2006 056 942 AI it is known in principle from DE 10 2006 056 942 AI to use laminated cores of electrically mutually insulated sheets of non-magnetic metals for structural components of electrical machines to avoid eddy currents. For caps for anchoring magnets in the rotor this measure has not been proposed.
  • any contours of the caps are very easy to produce by appropriate punching.
  • the contour, in particular the inner contour of the caps can be very easily adapted to the magnetic contour.
  • the magnetic contour can thus be optimized so that the induction sinusoidally along the rotor circumference to minimize the cogging moments and generate sinusoidal voltages as possible in the stator windings.
  • the caps are layered according to the invention of non-magnetic sheets. Aluminum is particularly suitable here because of its good thermal conductivity.
  • the electrical insulation of the sheets against each other can be formed by an insulating layer between adjacent sheets, which is formed from a sheet of the adhesive together adhesive resin.
  • an insulating layer between adjacent sheets which is formed from a sheet of the adhesive together adhesive resin.
  • separate connecting means for connecting the sheets together can be omitted.
  • the resins known in principle from the production of electrical machines can be used be used. Their use for the production of electrical machines has been proven and their suitability has been proven.
  • the spacers can also be made of a non-metallic electrically insulating material. Also in this case it is preferred if the material is good heat-conducting.
  • This adhesive compound isolates the magnets against each other, which contributes to the reduction of the eddy currents in the magnet.
  • the adhesive layer forms a soft elastic element in the axial direction, which reduces the thermal stresses which arise as a result of the different coefficients of expansion of the rotor and the magnetic material when the temperature changes. It is sufficient if the front side only on one
  • a spacer is provided so that between adjacent laminations of two caps always a spacer is provided.
  • a spacer is provided on both sides of the laminated cores, and connected to the laminated cores.
  • the sheets and, provided for the cap, the spacer or the spacers may be provided with holes which, when the sheets and the spacers are set to the cap together, form a continuous, channel-like bore.
  • the first spacer or the first sheet one or more, preferably two, pins are inserted.
  • the surface facing the adjacent sheet is coated with the insulating resin or other suitable adhesive and the next sheet is pushed onto the pins. This process is repeated with the intended number of sheets and finally possibly the other spacer is placed on the pins and glued to the adjacent sheet. In this way, the sheets can very easily stick together in alignment.
  • the pins can be removed afterwards and if necessary the hole can be filled with a resin or another adhesive or left open. It is also possible to leave the pins in the holes, then any protruding ends are cut off. Furthermore, it is then important that the pins, insofar as they are made of an electrically conductive material, are electrically insulated against the sheets and optionally the spacers. It is recommended to provide two holes per sheet, in each case a hole in each case a foot left and right (seen in the axial direction of the electric machine) next to the magnet. Here is enough space to provide the holes.
  • the magnets themselves should be glued to the cap. Furthermore, it is also advantageous if the magnets are additionally glued to the main body of the rotor.
  • the magnets are completely encased with adhesive.
  • the adhesive then simultaneously forms a corrosion protection for the magnets.
  • the magnets are held very well by the cap on the rotor body. This can be further supported by a collar is disposed on the spacers, which projects beyond the magnet.
  • the magnets should be held positively on a body of the component.
  • the caps have a corresponding thereto, approximately trapezoidal contour, so that the caps are held positively in the radial direction of the body viewed. In this radial direction act on the magnets due to the centrifugal force particularly high forces that are held securely due to the positive connection.
  • the magnets can be already magnetized mounted on the base body. For open, so the magnets not cap-like covering magnetic holder such dovetail guides are principally from the KR 100703564 Bl (according to WO 2007/119952 AI) known.
  • recesses may be arranged laterally in the grooves, which engage in the feet of the caps. So the feet are facing the runner base over the magnets.
  • the magnets can be connected to the caps also by, for example, adhesion to the body.
  • at least one channel is arranged in the grooves according to a further structural design.
  • an adhesive is introduced.
  • support webs for the magnets can be provided on the groove base, so that pockets for receiving the adhesive form beneath the magnets. This ensures that, despite the magnetic attraction forces between the magnet and the body can be pressed.
  • a minimum thickness of the adhesive layer is predetermined by the pockets. As a result, the adhesive layer is soft enough to thermal. Tensions between the To reduce the body and the magnet far enough and thus to prevent a breakage of the magnets.
  • the thickness of the adhesive layer between the magnet or magnets, the cap and the rotor base body should be such that the shear forces due to different thermal expansion of the different materials can absorb well.
  • a soft elastic adhesive is particularly well suited.
  • silicone is used. Silicone usually begins to creep under normal operating temperatures under load, so it deforms plastically. This is not a problem with a simultaneous positive connection of the magnets on the caps with the body. The glass transition temperature of these adhesives is below the operating temperature of conventional electrical machines. Temperature-stable adhesives are a hundred times stiffer.
  • the soft-elastic adhesives, such as silicone have the advantage over the temperature-stable adhesives that, due to the lower stiffness of the adhesive layer, correspondingly lower stresses result due to different thermal expansions of the magnet and the base body.
  • a rigid adhesive such as an epoxy resin adhesive
  • the adhesive layer thickness must be made larger, in turn, to ensure a soft behavior of the adhesive layer against the temperature increase differently expanding materials, and thus to limit the thermal stresses below the strength limits of the components and the adhesive.
  • the length of the component can be provided seen in the axial direction two or more consecutive caps. As a result, the handling of the correspondingly smaller caps is facilitated.
  • adjacent caps can also be electrically isolated from each other.
  • the length of the caps is preferably matched to the length of the magnets.
  • Between the caps can be arranged for improved magnetic cooling aluminum sheets, which may also keep the magnets spaced. Due to their good thermal conductivity, the aluminum sheets dissipate heat laterally out of the magnets and release the heat into the air gap and into the laminated core of the rotor. They should also be electrically insulated against sheets of caps. Adjacent caps can be glued together. The adhesive layer should be thick enough not only to insulate the caps against each other but also to reduce thermal stress in the axial direction.
  • FIG. 1 shows a first exemplary embodiment of an assembly with a
  • FIG. 2 is a detail of the assembly of FIG. 1 in an enlarged perspective view
  • FIG. 3 shows a part of a partially assembled rotor of an electrical machine with the fastening means according to FIG. 1 in a perspective view, FIG.
  • FIG. 4 is a detail of the partially assembled rotor of FIG. 3 in front view
  • 5 shows a further embodiment of an assembly with a erfindungsmä 28 fastening means in plan view
  • FIG. 6 shows the assembly of FIG. 5 in vertical longitudinal section
  • FIG. 8 the assembly of FIG. 5 in a perspective bottom view.
  • a rotor body 10 is shown, which is formed in a known manner from a laminated core.
  • the rotor base body 10 has a bore 11 centrally for receiving a rotor shaft.
  • the rotor base body 10 has equidistantly distributed grooves 12 over its circumference, which serve to receive magnets, specifically permanent magnets 13.
  • magnets specifically permanent magnets 13
  • These caps 14 are shown in Figs. 1 and 2 in detail. Each of the caps 14, together with the magnets 13 held by them, forms a magnetic pole of the electric machine.
  • each cap 14 exactly one permanent magnet 13 can be arranged in each cap 14. But it is also possible, in each cap 14 two or more permanent magnets 13 seen in the axial direction and / or tangential direction of the rotor base body 10 behind or next to each other to arrange. In the illustrated embodiment, the permanent magnets 13 are seen in the direction of the tag side by side and each only one row of permanent magnets 13 in the axial direction one behind the other per cap 14.
  • the caps 14 are formed from a stack of consecutively laminated sheets 15 made of an electrically conductive material.
  • the sheets 15 are made of a non-magnetic metal. Aluminum is preferred because of its high thermal conductivity.
  • Adjacent sheets 15 are through a Insulating layer 16 of an electrically insulating material electrically isolated from each other.
  • the sheets 15 and the insulating layers 16 are in the present case exactly perpendicular to the axis of rotation (longitudinal central axis) of the rotor, that is arranged in each case exactly in a radial plane.
  • the sheets 15 themselves are comparatively thin (seen in relation to the length of the rotor in its longitudinal axis).
  • the sheets 15 are not exactly in a radial plane of the rotor, which could be referred to here as a geometric radial plane, but may also be arranged at a certain angle to this. It is only important that the plates 15 are aligned and so thin that the formation of the eddy currents is prevented. Any orientation of the sheets 15 which still fulfilled this condition is therefore considered as a radial plane in the context of the present disclosure. For manufacturing reasons, the arrangement of the sheets 15 is exactly in the geometric radial plane but preferred.
  • the insulating layer 16 are particularly known from the manufacture of electrical machines resins by means of which the individual sheets 15 can be glued together at the same time. Separate connection means for connecting the sheets 15 with each other are then no longer necessary. If necessary, however, the metal sheets 15 can also be connected to one another, in addition or alternatively, for example, be pinned. It is only important that, regardless of the connection technique used no electrical contact of the sheets 15 to each other.
  • the cap 14 is formed like a bridge with lateral feet 17 and a web 18.
  • the contour of the web 18 is adapted to the outer radius of the rotor by the web 18 is divided into planar sections, each are aligned tangentially to the rotor circumference. In the present case, three sections 19, 20 and 21 are provided.
  • FIG. 3 shows the rotor base body 10 with a partially inserted cap 14.
  • two caps 14 are accommodated in each groove 12 lying one behind the other in the axial direction.
  • the caps 14 form with the grooves 12 pockets 23, in which the permanent magnets 13 are inserted. In the present case, each pocket 23 receives three adjacent (seen in the circumferential direction of the rotor) permanent magnet 13.
  • the feet 17 are down (towards the rotor center axis) against the permanent magnets before.
  • recesses 24 are provided laterally in the grooves, in which the feet 17 engage.
  • the feet 17 are thus to the rotor base 10 back (that is, in an inner rotor to the rotor shaft 11 inward and an external rotor from the axis of rotation of the rotor away to the outside) on the magnet 13 before:
  • the rotor travel of the rotor base body 10 are not brought too far to the air gap of the electric machine.
  • sufficient anchoring of the magnets 13 holding caps 14 in the rotor body 10 is required because of the centrifugal forces occurring during operation of the electrical machine.
  • Channels 25 are provided. After the caps 14 are inserted with the permanent magnets 13 in the grooves 12, a soft elastic adhesive can be introduced into these channels 25, with which the permanent magnets 13 are additionally glued to the rotor base 10. Further, each support channels 26 are provided between channels 25 and edge next to the wells 24, on which the permanent magnets 13 rest. As a result, adhesive bags 27 are formed between the support webs 26 under the permanent magnets 13, in which adhesive is well distributed when it is pressed through the channels 15 in the adhesive bags 27. With the height of the webs 26, the adhesive thickness is set. This is adjusted so that temperature stresses are reduced to an acceptable level for the magnetic material and the adhesive. As a soft elastic adhesive is particularly suitable silicone.
  • the cap 28 shown in FIGS. 5 to 8, like the cap 14, is formed from a stack of laminations 15 stacked one behind the other, which are interconnected by an insulating layer 16. This is done by gluing the sheets 15 together by a suitable resin.
  • the cap has at its end faces, ie viewed in the axial direction of the rotor front and rear, spacers 29, which cover the permanent magnet 13 and the front side.
  • the spacers 29 have a vertical wall 30 whose contour corresponds to the contour of the permanent magnets 13 arranged in the cap 28.
  • the spacers 29 furthermore have, on their upper side, a collar 31 which is directed inwards towards the permanent magnets 13 and engages over the permanent magnets 13.
  • the Permanent magnets 13 are thus held by the spacers 29, specifically by the collar 31 positively.
  • the contour of the spacers 29 corresponds to the contour of the sheets 15. They also have a trapezoidal edge 32 and 33 feet.
  • the cap 28 differs from the cap 14 according to the embodiment of FIGS. 1 to 4 also by through holes 34, which is guided by the spacers 29 and each of the plates 15.
  • the holes 34 are arranged in the region of the feet 33, but this is not absolutely necessary. This position is suitable for reasons of space.
  • the bores 34 may also be provided at any other location where it is possible to guide bores longitudinally through the entire cap 28, ie through the spacers 29 and each of the sheets 15.
  • each cap 28 with two holes 34 namely to provide each with a bore 34 in each of the feet 33.
  • a different number of holes 34 is conceivable.
  • the spacers 29 and the sheets 15 are placed on pins 35 (Fig. 8) and glued together by means of the resin. Subsequently, the permanent magnets 13 are glued as shown in Fig. 8 from below into the cap 28 thus formed.
  • any suitable adhesive in particular also the resin known for bonding stator and rotor laminations of electrical machines, and also a soft-elastic adhesive, in particular silicone adhesive, can be used.
  • the permanent magnets are glued over the entire surface in the cap 28 and also glued together.
  • the pins 35 can be removed and the holes 34 optionally filled by means of a resin. Alternatively, the pins 35 may remain in the bore 34 and possibly protruding stub be cut off. It is only important that they are electrically isolated from the sheets 15 and the spacers

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Permanent Field Magnets Of Synchronous Machinery (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)

Abstract

L'invention concerne un élément de fixation pour fixer un aimant (13) sur un composant d'une machine électrique, notamment un rotor, cet élément formant un capuchon (14). L'invention porte également sur module et sur un composant de machine électrique doté d'un capuchon (14) de ce type. Afin d'assurer un maintien sûr des aimants (13) et de réduire à un minimum les risques de cassure des aimants (13) et le dégagement de chaleur perdue inutile, le capuchon (14) est formé d'un ensemble de tôles (15) électriquement isolées entre elles. Dans le composant selon l'invention, ces tôles sont chacune disposées dans un plan radial de la machine électrique. Lesdites tôles (15) sont en métal non magnétique, de préférence en aluminium.
PCT/DE2011/000093 2010-02-01 2011-01-31 Élément de fixation pour fixer un aimant sur un composant d'une machine électrique, module et composant doté d'un élément de fixation de ce type Ceased WO2011091791A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010001444.3 2010-02-01
DE102010001444 2010-02-01

Publications (2)

Publication Number Publication Date
WO2011091791A2 true WO2011091791A2 (fr) 2011-08-04
WO2011091791A3 WO2011091791A3 (fr) 2012-01-19

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PCT/DE2011/000093 Ceased WO2011091791A2 (fr) 2010-02-01 2011-01-31 Élément de fixation pour fixer un aimant sur un composant d'une machine électrique, module et composant doté d'un élément de fixation de ce type

Country Status (1)

Country Link
WO (1) WO2011091791A2 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2645535A1 (fr) * 2012-03-30 2013-10-02 Alstom Wind, S.L.U. Rotor à aimant permanent
DE102013200476A1 (de) * 2013-01-15 2014-02-27 Siemens Aktiengesellschaft Permanenterregte Synchronmaschine mit einem Rotor mit Permanentmagneten und Verfahren zur Herstellung derartiger Maschinen bzw. Rotoren
DE102015120951A1 (de) * 2015-12-02 2017-06-08 Schuler Pressen Gmbh Läufer, Linearhammer und Verfahren zur Herstellung eines Läufers
EP3859943A1 (fr) * 2020-02-03 2021-08-04 Siemens Gamesa Renewable Energy A/S Système d'aimant pour un rotor et machine électrique à aimant permanent
CN113964986A (zh) * 2021-12-21 2022-01-21 常州神力电机股份有限公司 超大规格风电转子工件及其智能化装配系统和装配方法
EP4195460A1 (fr) * 2021-12-07 2023-06-14 Siemens Gamesa Renewable Energy A/S Rotor pour une machine électrique à aimant permanent

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100703564B1 (ko) 2006-04-14 2007-04-09 유니슨 주식회사 풍력 발전기용 로터와 이의 조립방법
WO2007116118A1 (fr) 2006-04-07 2007-10-18 Neorem Magnets Oy Element polaire pour aimant permanent
DE102006056942A1 (de) 2006-11-30 2008-06-05 Lloyd Dynamowerke Gmbh & Co. Kg Aktivteil, insbesondere Läufer- oder Statorring, für eine elektrische Maschine,insbesondere Transversalflussmaschine
DE102008018724A1 (de) 2008-04-14 2009-10-22 Siemens Aktiengesellschaft Sekundärteil für eine permanentmagneterregte Synchronmaschine
DE102008023999A1 (de) 2008-05-18 2009-11-19 Brose Fahrzeugteile GmbH & Co. Kommanditgesellschaft, Würzburg Vorrichtung zur Halterung eines Magneten und Verfahren zur Herstellung

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US6548932B1 (en) * 2001-10-31 2003-04-15 Electric Boat Corporation Nonmagnetic magnet retention channel arrangement for high speed rotors
JP2003143786A (ja) * 2001-11-01 2003-05-16 Mitsubishi Electric Corp 永久磁石式回転子及びその製造方法
FI117582B (fi) * 2004-12-23 2006-11-30 Abb Oy Kestomagneettikoneen roottorirakenne

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007116118A1 (fr) 2006-04-07 2007-10-18 Neorem Magnets Oy Element polaire pour aimant permanent
KR100703564B1 (ko) 2006-04-14 2007-04-09 유니슨 주식회사 풍력 발전기용 로터와 이의 조립방법
WO2007119952A1 (fr) 2006-04-14 2007-10-25 Unison Co., Ltd. Rotor pour éolienne et procédé d'assemblage de ce dernier
DE102006056942A1 (de) 2006-11-30 2008-06-05 Lloyd Dynamowerke Gmbh & Co. Kg Aktivteil, insbesondere Läufer- oder Statorring, für eine elektrische Maschine,insbesondere Transversalflussmaschine
DE102008018724A1 (de) 2008-04-14 2009-10-22 Siemens Aktiengesellschaft Sekundärteil für eine permanentmagneterregte Synchronmaschine
DE102008023999A1 (de) 2008-05-18 2009-11-19 Brose Fahrzeugteile GmbH & Co. Kommanditgesellschaft, Würzburg Vorrichtung zur Halterung eines Magneten und Verfahren zur Herstellung

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2645535A1 (fr) * 2012-03-30 2013-10-02 Alstom Wind, S.L.U. Rotor à aimant permanent
WO2013144284A3 (fr) * 2012-03-30 2014-01-16 Alstom Renovables España, S.L. Rotor à aimant permanent
DE102013200476A1 (de) * 2013-01-15 2014-02-27 Siemens Aktiengesellschaft Permanenterregte Synchronmaschine mit einem Rotor mit Permanentmagneten und Verfahren zur Herstellung derartiger Maschinen bzw. Rotoren
DE102015120951A1 (de) * 2015-12-02 2017-06-08 Schuler Pressen Gmbh Läufer, Linearhammer und Verfahren zur Herstellung eines Läufers
CN107008839A (zh) * 2015-12-02 2017-08-04 许勒压力机有限责任公司 动子、线性锤和用于制造动子的方法
DE102015120951B4 (de) 2015-12-02 2023-12-28 Schuler Pressen Gmbh Läufer und Linearhammer
EP3859943A1 (fr) * 2020-02-03 2021-08-04 Siemens Gamesa Renewable Energy A/S Système d'aimant pour un rotor et machine électrique à aimant permanent
WO2021155973A1 (fr) * 2020-02-03 2021-08-12 Siemens Gamesa Renewable Energy A/S Système magnétique pour un rotor et machine électrique à aimants permanents
CN115298933A (zh) * 2020-02-03 2022-11-04 西门子歌美飒可再生能源公司 用于转子的磁体系统和永磁电机
EP4195460A1 (fr) * 2021-12-07 2023-06-14 Siemens Gamesa Renewable Energy A/S Rotor pour une machine électrique à aimant permanent
CN113964986A (zh) * 2021-12-21 2022-01-21 常州神力电机股份有限公司 超大规格风电转子工件及其智能化装配系统和装配方法
CN113964986B (zh) * 2021-12-21 2022-03-15 常州神力电机股份有限公司 超大规格风电转子工件及其智能化装配系统和装配方法

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