EP3218994A1 - Enroulement ondulé à couple de détente réduit, stator et machine électrique dotés d'un enroulement ondulé de ce type - Google Patents

Enroulement ondulé à couple de détente réduit, stator et machine électrique dotés d'un enroulement ondulé de ce type

Info

Publication number
EP3218994A1
EP3218994A1 EP15793829.1A EP15793829A EP3218994A1 EP 3218994 A1 EP3218994 A1 EP 3218994A1 EP 15793829 A EP15793829 A EP 15793829A EP 3218994 A1 EP3218994 A1 EP 3218994A1
Authority
EP
European Patent Office
Prior art keywords
conductors
machine
winding
stator
wave winding
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Withdrawn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
EP15793829.1A
Other languages
German (de)
English (en)
Inventor
Winfried Schulz
Hauke Einfeld
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.)
Volkswagen AG
Original Assignee
Volkswagen 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 Volkswagen AG filed Critical Volkswagen AG
Publication of EP3218994A1 publication Critical patent/EP3218994A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K29/00—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices
    • H02K29/03—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with a magnetic circuit specially adapted for avoiding torque ripples or self-starting problems
    • 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
    • H02K3/12—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors arranged in slots
    • H02K3/14—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors arranged in slots with transposed conductors, e.g. twisted conductors
    • 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
    • H02K23/00—DC commutator motors or generators having mechanical commutator; Universal AC/DC commutator motors
    • H02K23/26—DC commutator motors or generators having mechanical commutator; Universal AC/DC commutator motors characterised by the armature windings
    • H02K23/32—DC commutator motors or generators having mechanical commutator; Universal AC/DC commutator motors characterised by the armature windings having wave or undulating windings

Definitions

  • the invention relates to a wave winding for a stator of an electric machine.
  • the invention further relates to a stator of an electrical machine.
  • the invention also relates to an electrical machine.
  • Winding set if the windings are connected in wave windings.
  • the rectangular wires are bent into U-shapes, thereby producing the copper hairpins.
  • hairpin windings so-called “hairpin windings” are called.
  • short turns on one side of the stator are connected by welding, thus creating a continuous winding. It is almost a built and not at least partially wound continuously wave winding.
  • the document JP 8-182238 A shows a three-phase wave winding with three
  • Winding packages or strands for an electrical machine In a so-called
  • twisted section winding heads of the winding packages or strands are each twisted in itself, but performed with an unchanged winding step.
  • a method for manufacturing a loop winding for a dynamoelectric machine is known.
  • the armature winding comprises a winding which corresponds to a pole and the includes a plurality of coils having mutually different winding steps.
  • the coils contain at least one coil whose number of turns is different from those of the other coils.
  • the coils are distributed in the grooves such that a concentrically wound two-layer winding is formed with a sinusoidal distribution of the magnetic force.
  • the number of pole windings per phase is half the number of poles in a concentrically wound two-layer winding or a loop winding.
  • the number of coils in one of the pole windings is set to (2x (qn)).
  • Wave winding executed determined their number of turns of a number within a groove, e.g. a stator slot, i. a stator slot, the machine passed
  • w is the effective number of turns of the machine
  • a is the number of conductors connected in parallel in the wave winding
  • p is the number of pole pairs
  • hole number describes the number of slots, eg the stator slots, the machine per magnetic pole and phase.
  • s is the total number of stator slots of the stator and r is the number of phases, ie the number of phases, of the machine
  • the term hole is thus synonymous with groove or
  • the number of conductor sections guided within a groove is inversely proportional to the conductor cross section of the conductor sections given a predetermined cross section of the groove.
  • equalizing currents occur in operation in the conductors of the parallel circuit, when voltages differing from one another in the parallel conductors of a phase are induced. This is especially the case when the parallel conductors are arranged at a number of holes q greater than 1 to each pole distributed on at least two adjacent grooves.
  • the equalizing currents also lead to losses.
  • the invention has the object to increase performance and efficiency in a machine of the type described by avoiding the losses, especially during operation in the upper speed range.
  • a shaft winding for a stator of an electrical machine designed for arranging in a sequence of stator slots arranged along a circumference of the machine, wherein the wave winding for each phase of the machine has at least two conductors connected to one another in parallel and / or series connection having, with a predetermined winding step in one to each phase and each one
  • the stator slots, into which the shaft winding formed according to the invention can be inserted, are in the usual way at least substantially in the axial direction of the machine, i. transversely to the circumferential direction, aligned and preferably evenly distributed and thus rotationally symmetrical on the circumference of the machine.
  • the illustration of the invention is based on a rotating machine, the invention is also applicable to linear machines, wherein the described arrangement is then formed in unwound design. This is always implicitly encompassed by the following description of the invention.
  • the representation of the invention is based on an arrangement of the wave winding in the stator of the machine. However, an arrangement may be made in a corresponding manner in a rotor of a machine. This too is always implicitly encompassed by the following description of the invention.
  • connection of the conductors in parallel and / or series connection different possibilities are provided according to the invention. If, for example, two conductors are provided for each phase of the machine, they can be connected to one another in series or in parallel be connected. For example, if there are four conductors for each phase of the machine, they can be connected to each other differently. So all four conductors can be connected in parallel. Furthermore, in each case two conductors can be connected in parallel to one another and the two parallel circuits, each consisting of two conductors, can be connected in series with one another. It is also possible to connect all four conductors in series. Particularly advantageous, the invention is applicable to the case that all conductors of a phase are connected in parallel.
  • the number of stator slots of each magnetic pole and each phase of the machine is defined as its number of holes q.
  • the wave winding according to the invention is designed for a stator or a machine in which the number of holes q is at least 2.
  • the stator slots in each case one of the magnetic poles and one of the phases of the machine are arranged directly successively along the circumference of the machine.
  • a first of the conductors is disposed in the first of the stator slots, a second of the conductors is disposed in the second of the stator slots, a third of the conductors is disposed in the first of the stator slots, and a fourth of the conductors is arranged in the second of the stator slots.
  • the conductors of the wave winding are wound with a predetermined winding step, ie assigned to the stator or distributed to the stator.
  • a winding step a distance between two consecutively guided by the stator slots sections each one of the conductors is called.
  • the winding step is circumscribed either by the numbers consecutively numbered Statornuten or by the increased by one number of skipped during winding Statornuten.
  • the winding step is the number the Statornuten to which must be counted when winding up to an occupancy of a stator with the same conductor.
  • a winding step of, for example, 1: 7 or 6 for a conductor means that a first and then a seventh, a thirteenth, etc. stator slot is occupied by the conductor in a sequence of continuously counting stator slots, ie every sixth
  • Winding step by a predetermined number of stator slots, i. Nutenablines or distances of each two immediately adjacent stator slots, increased, and for at least one other of the conductors, the winding step at the same point along the circumference of
  • This interchange of the assignment of the stator slots through the conductors is referred to as a slot jump.
  • Such interchanging means for example, that before the groove jump, a first of the conductors in a first of the stator slots per pole and phase and a second of the conductors in a second of the stator slots per pole and phase is arranged, whereas behind the slot jump the first of the conductors in the second of the stator slots and the second of the conductors is disposed in the first of the stator slots.
  • the winding step of the conductors is coincident along the entire circumference of the machine, i. uniform, predetermined and deviates only where the above order of assignment of the stator with the individual conductors is reversed by the Nutsprung.
  • the invention is based on the finding that the compensating currents described are avoided when voltages which coincide with each other are induced in all conductors of a phase that are connected in parallel with one another. This is the case when all connected in parallel interconnected phase conductors are traversed by a total of the same magnetic flux. On the other hand, if the conductors of one phase are all arranged with uniformly uniform winding steps, the parts of a winding formed by them are altogether along the circumference of the machine
  • the invention enables in a simple manner, a wave winding for an electrical
  • the invention opens up a significantly increased number of possibilities for the design and dimensioning of such a machine, in particular the fact that the formation of such a machine with a number of holes q of two and larger is made possible.
  • the at least one position of the at least one groove jump is at least approximately uniformly distributed over an entire extension of the conductors.
  • the entire extension, i. Overall length, the conductor and preferably each of the conductors is divided by the groove jump in at least almost, preferably exactly equal sections.
  • a plurality of groove jumps can be provided. These are by one or more
  • At least two sections adjoining one another at at least one position of the at least one groove jump are at least one of the conductors by at least one contact means connected with each other.
  • at least one of the conductors at the position of at least one Nutsprungs production side is interrupted and made a connection through an electrical contact point. This allows a uniform and similar and thus simplified production of the sections of the ladder. Only after their production, the sections in the manner according to the invention, ie, by performing the desired Nutsprungs or the desired groove jumps, electrically conductively connected to each other, for example by welding, soldering, jamming or the like.
  • a respective conductor may be continuous with it, ie
  • At least two at least one position of the at least one groove jump adjoining portions of at least one of the conductors are integrally formed continuously.
  • the sections are integrally wound to perform the groove jump and consist of a continuous ladder formation, i. run continuously over the Nutsprung away without the interposition of a separate contact means.
  • a further preferred embodiment of the wave winding according to the invention is characterized by a design for use in an induction machine,
  • the invention allows very particularly advantageous an increase in power, torque and efficiency, especially in the upper speed range and thus in particular an increase in performance when using such a rotating field machine in a vehicle drive, preferably an auxiliary or traction drive of a combustion, hybrid or electric vehicle, as well in electric machines for other purposes.
  • the number of conductors for each of the phases of the machine is an integer multiple, in particular at least twice, a number of holes of the machine.
  • Wave winding allows.
  • the ladder can be formed integrally throughout.
  • the position of the conductors within the stator slots can also be kept at least nearly symmetrical.
  • At least one of the conductors is formed with an at least approximately rectangular conductor cross-section.
  • stator for an electrical machine in particular for a rotating field machine, characterized by a wave winding of the type described above.
  • Such a trained stator is simplified in terms of manufacturing technology, more compact, robust and simple.
  • training with at the positions of the groove jumps continuous winding such a ausgestalteter stator is also particularly space-saving and reliable built.
  • an electrical machine in particular a rotating field machine, characterized by a wave winding of the type described above and / or a stator of the type described above.
  • the machine according to the invention makes it possible to increase the efficiency and the deliverable power, in particular in the upper speed range, is particularly compact and robust and has a reduced susceptibility to errors.
  • a wave winding for a stator having a number of phases of an electric motor or electric generator is created, which for each phase has at least two conductors, also referred to as winding wires, which are guided by corresponding stator slots.
  • the conductors are executed without interruption.
  • the conductors in a preferred embodiment, after half a winding, i. in the middle of their entire extension, in the associated
  • Statornut due to a crossed wiring on exchanged positions, which in a simple manner and preferably while avoiding separate contact connections, eg welded joints, unwanted induction voltages of the conductors can be prevented.
  • Figure 1 is a rough schematic representation of a winding scheme of a
  • FIG. 2 shows a circuit diagram for the connection of the conductors of the wave winding of the exemplary embodiment according to FIG. 1,
  • Figure 3 is a schematic representation of temporal courses of different, in in
  • FIG. 4 shows a schematic representation of a wave winding with a winding diagram of the exemplary embodiment according to FIG. 1,
  • FIG. 5 shows a schematic perspective view of two conductors of the wave winding according to FIG. 4 at the position of a groove jump
  • FIG. 6 shows a modification of the exemplary embodiment according to FIGS. 4 and 5
  • Figure 7 is a rough schematic representation of a winding pattern of a second
  • FIG. 8 shows a circuit diagram for illustrating the connection of the conductors of the wave winding of the second exemplary embodiment according to FIG. 7.
  • FIG. 1 shows a section of a sequence of stator slots of an electrical machine of simplicity in a development, roughly schematically in a cross-sectional view.
  • the Statornuten are arranged along a circumference of the machine, designated by the reference numeral 1 10 and numbered in its sequence by way of example with 1, 2, ....
  • the stator 1 1 10 conductors of a wave winding 100 are arranged. These conductors are connected in parallel with each other for each phase of the machine. For the sake of clarity, only the conductors of one of the phases and of these also only one layer in each of the illustrated stator slots are shown and labeled A, B, C and D.
  • the conductors A, B, C, D are formed with a rectangular conductor cross-section, so that a high slot fill factor is achieved.
  • the conductors A, B, C, D which are electrically connected in parallel with one another have a predetermined one
  • Wickel intimid in a given to each phase and each magnetic pole along the circumference of the machine sequence in a number of at least two
  • Statornuten 1 10 each of a magnetic pole and one phase of the machine equal to 2, ie, the four parallel electrically interconnected conductors A, B, C, D are arranged on each pole and phase two along the circumference of the machine sequential stator 1 1 distributed. This arrangement takes place in a predetermined sequence such that the conductors C and D are arranged in the first of the two successive stator slots 110, the conductors A and B and in the second of the two consecutive stator slots 110.
  • the wave winding 100 and thus the machine of the present embodiment is formed in three-phase.
  • the conductors A, B, C, D are guided through every sixth stator slot 110, ie with a winding step 6 or 1: 7. This winding step is designated by an arrow 120 in FIG.
  • This Nutsprung is formed in Figure 1 such that the conductors A, B of the Statornut 1 10 with the number 7 to Statornut 1 10 with the number 14 and are guided by this, whereas the conductors C, D of the stator 1 10 with the number 8 to Statornut 1 10 with the number 13 and are guided by this.
  • the conductors A, B at this position of the Nutsprungs an enlarged by 1 winding step of 7 or 1: 8, for the conductors C, D, however, a reduced by 1 winding step of 5 or 1: 6 made.
  • These modified winding steps are designated by an arrow 121 in FIG.
  • the predetermined order of the conductors A, B, C, D per magnetic pole and phase is reversed such that from this position on in the first of the two consecutive Statornuten 1 10 with the number 13, the conductors C and D and in the second of the two consecutive Statornuten 1 10 with the number 14, the conductors A and B are arranged. Since from this position at the winding step again for all conductors A, B, C, D coinciding 6 or 1: 7, indicated by an arrow 122, this reversed order also remains for the stator 1 10 with the numbers 19, 20, ...
  • FIG. 2 shows a schematic electrical circuit diagram of the conductors A, B, C, D connected in parallel with one another of one phase of the wave winding 100.
  • FIG. 3 shows a schematic representation of time profiles of different conductors A, B, C, D arranged in mutually adjacent stator slots 110, of a phase of a wave winding induced without a groove jump
  • UAB denotes a voltage induced in conductors A and B
  • UCD a voltage induced in conductors C and D.
  • T is the time.
  • the induced voltages UAB and UCD are additively composed of individual voltages which are induced in each case in a section of the conductors A, B, C, D in each of the stator slots 110, and are temporally opposite one another corresponding to a movement speed of the machine along the circumference ie one
  • one half of these individual voltages, each in a section of the conductors A, B in each one of the stator 1 10 be induced, in their temporal order, ie displacement, compared to one half of the individual voltages, which are each induced in a respective section of the conductors C, D in each of the stator 1 1, reversed.
  • the time shifts cancel each other out, and the time courses of the voltages UAB and UCD are identical. This does not occur
  • FIG. 4 shows a schematic representation of the wave winding 100 is reproduced with a winding diagram of the embodiment of Figure 1 as a development in a plan view.
  • a total of three phases per two parallel conductors and of these only one portion per Statornut 1 10, i. only one winding layer, shown, which correspond to the conductors A and C of Figure 1 and for the three phases are accordingly denoted by A1, A2, A3 and C1, C2, C3.
  • the same winding scheme also results for a winding with two conductors electrically connected in parallel to one another, which are distributed on pole and phase along the circumference of the machine, successive stator slots 1 10.
  • the winding step 6 or 1: 7, denoted by the arrows 120 and 122, is also here at the position of the Nutsprungs in 5 or 1: 6 for the conductors C1, C2, C3 and 7 or 1: 8 for the ladder A1, A2, A3 modified, indicated by the arrow 121, whereby the order of the conductors A1, C1 or A2, C2 or A3, C3 is reversed in the assignment of the stator at the position of the Nutsprungs.
  • FIG. 5 shows a schematic perspective view of all winding layers of the conductors A1, C1 of the wave winding according to FIG. 4 at the position of the groove jump. Shown is also the assignment of the stator 1 1 10 through the conductors A1, C1. The conductors A1, C1 are guided a total of six times around the entire stator of the machine, so that each stator slot is occupied by 6 sections of the conductors. Shown here is only the assignment of the respective Statornuten by 6 sections of the conductors A1 and C1.
  • a groove jump, indicated by the arrow 121 is after passing the conductors A1, C1 around the entire stator of the machine three times, i. half the extent of the conductors A1, C1, provided. In this case, the conductors A1, C1 are continuous, i. without interruption without separate
  • the conductor C1 is with the
  • the conductors A1, C1 are arranged with the winding step 6 or 1: 7 and thereby in the region of the winding head with a half turn around its longitudinal extent struck around each other, ie folded. This also makes a very space-saving design of the winding head is achieved.
  • this embodiment of the wave winding 100 only end connections of the conductors A1, C1 - and end terminals of conductors of other phases not shown in FIG. 5 - are led out of the wave winding 100. Overall, this results in a continuously wound wave winding with reduced space while saving contact points.
  • FIG. 6 shows, in a modification of the exemplary embodiment according to FIGS. 4 and 5, a detail of a wave winding 100 with a representation of all conductors at the position of the groove jump.
  • the conductors are interrupted on half their entire extension and their ends formed by these interruptions led out of the winding head.
  • these lead-out ends face each other in pairs at the interruptions of the conductors.
  • the permutation of the order of assignment of the stator 1 1 10 through the conductor is made by connecting the ends of the conductor formed by these interruptions in pairs by cross, as symbolized by an example indicated and denoted by reference numeral 123 connection.
  • Wave winding as a modification of the embodiment of Figure 1 shows is a
  • stator slots Section of a sequence of stator slots of an electric machine of simplicity in a development roughly schematically shown in a cross-sectional view.
  • the stator slots are arranged along a circumference of the machine, designated by reference numeral 210 and numbered consecutively by 1, 2,...
  • conductors of a wave winding 200 are arranged in the stator slots 210. These conductors are connected to each phase of the machine in parallel with each other.
  • A, B, C, D, E, F, G and H Only the conductors of one of the phases and of these also only one layer in each of the illustrated stator slots are shown and designated A, B, C, D, E, F, G and H.
  • the conductors A, B, C, D, E, F, G, H are formed with rechteckformigem conductor cross-section, so that a high Nutrachll hormone is achieved.
  • the conductors A, B, C, D, E, F, G, H which are electrically connected in parallel with one another have a predetermined diameter Wickel intimid in a given to each phase and each magnetic pole along the circumference of the machine sequence in a number of at least two
  • each magnetic pole and each phase of the machine can be arranged and arranged for clarity in Figure 7 arranged in these Statornuten 210.
  • the number of successive stator slots 210 each of a magnetic pole and each phase of the machine is equal to 2, i. the eight parallel electrically interconnected conductors A, B, C, D, E, F, G, H are arranged on each pole and phase two along the circumference of the machine successive Statornuten 210 distributed.
  • This arrangement is carried out in a predetermined order such that in the first of the two successive Statornuten 210, the conductors A, B, C and D and in the second of the two successive Statornuten 210, the conductors E, F, G and H are arranged.
  • the wave winding 200 and thus the machine and the second embodiment is formed in three phases.
  • stators A, B, C, D, E, F, G, H are passed through every sixth stator slot 210, i. with a winding step 6 or 1: 7.
  • This winding step is again denoted by an arrow 120 in FIG.
  • groove jump according to the invention would continue to occupy the other
  • Statornuten 210 with the numbers 13, 19, ... through the conductors A, B, C, D and an occupancy of the stator 210 with the numbers 14, 20, ... through the ladder E, F, G, H, i. along the entire circumference of the electric machine and thus along the entire extension of the wave winding 200th
  • this predetermined order of the conductors A, B, C, D, E, F, G, H is reversed at a position along the circumference of the machine by a groove jump.
  • This groove jump is formed in Figure 7 such that the conductors A, B, C, D are guided from the stator slot 210 with the number 7 to the stator slot 210 with the number 14 and through it, whereas the conductors E, F, G, H from the stator groove 210 of the number 8 to the stator slot 210 of the number 13 and guided therethrough.
  • the predetermined order of the conductors A, B, C, D, E, F, G, H per magnetic pole and phase is reversed such that from this position on in the first of the two consecutive stator grooves 210 with the number 13 the Ladder E, F, G, H and in the second of the two consecutive stator grooves 210 numbered 14, the conductors A, B, C, D are arranged.
  • FIG. 8 shows a schematic electrical circuit diagram of the conductors A, B, C, D, E, F, G, H interconnected in parallel with one another of a phase of the wave winding 200 of the second exemplary embodiment according to FIG.
  • the invention thus provides a new scheme for introducing the head of a
  • Embodiment of Figures 1 and 2 a so-called mat of conductors with two superimposed conductors A, B and C, D introduced into the stator 1 10.
  • a mat of conductors with four conductors A, B, C, D or E, F, G, H lying one above the other is inserted into the stator slots 210.
  • statomotors numbered 1, 2, ...

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Windings For Motors And Generators (AREA)

Abstract

L'invention vise à augmenter la puissance et le rendement d'une machine électrique, par éviction des déperditions, en particulier en mode de fonctionnement dans la plage de vitesses de rotation supérieure. A cet effet, un enroulement ondulé (100; 200) pour un stator d'une machine de ce type est conçu pour être agencé dans une succession d'encoches de stator (110; 210) ménagées le long de la périphérie de la machine, l'enroulement ondulé présentant, pour respectivement chaque phase de la machine, au moins deux conducteurs (A, B, C, D;A1, A2, A3, C1, C2, C3; A, B, C, D, E, F, G, H) interconnectés en parallèle et/ou en série, qui peuvent être disposés avec un pas de bobinage (120, 122) prédéfini dans un certain nombre d'au moins deux encoches de stator successives de chaque pôle magnétique et de chaque phase de la machine, le long de la périphérie de ladite machine, la séquence prédéfinie au moins des conducteurs interconnectés en parallèle étant inversée en au moins une position (121) le long de la périphérie de la machine, par au moins une diminution du nombre d'encoches.
EP15793829.1A 2014-11-13 2015-11-12 Enroulement ondulé à couple de détente réduit, stator et machine électrique dotés d'un enroulement ondulé de ce type Withdrawn EP3218994A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014223202.3A DE102014223202A1 (de) 2014-11-13 2014-11-13 Wellenwicklung, Stator und elektrische Maschine
PCT/EP2015/076387 WO2016075215A1 (fr) 2014-11-13 2015-11-12 Enroulement ondulé à couple de détente réduit, stator et machine électrique dotés d'un enroulement ondulé de ce type

Publications (1)

Publication Number Publication Date
EP3218994A1 true EP3218994A1 (fr) 2017-09-20

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP15793829.1A Withdrawn EP3218994A1 (fr) 2014-11-13 2015-11-12 Enroulement ondulé à couple de détente réduit, stator et machine électrique dotés d'un enroulement ondulé de ce type

Country Status (5)

Country Link
US (1) US10320255B2 (fr)
EP (1) EP3218994A1 (fr)
CN (1) CN107112874B (fr)
DE (1) DE102014223202A1 (fr)
WO (1) WO2016075215A1 (fr)

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DE102018203469A1 (de) 2018-03-08 2019-09-12 Zf Friedrichshafen Ag Wickelschema für eine elektrische Maschine
DE102018203471A1 (de) 2018-03-08 2019-09-12 Zf Friedrichshafen Ag Wickelschema für eine elektrische Maschine
FR3079685A1 (fr) * 2018-03-28 2019-10-04 Valeo Equipements Electriques Moteur Stator de machine electrique tournante muni d'un bobinage a epingles ameliore.
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DE102018125829A1 (de) * 2018-10-18 2020-04-23 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Stator für eine elektrische Maschine
DE102018125831A1 (de) * 2018-10-18 2020-04-23 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Stator für eine elektrische Maschine
CN109302030A (zh) * 2018-10-30 2019-02-01 上海电机学院 一种单相单绕组永磁同步发电机
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CN107112874A (zh) 2017-08-29
US20170324294A1 (en) 2017-11-09
DE102014223202A1 (de) 2016-05-19
US10320255B2 (en) 2019-06-11
WO2016075215A1 (fr) 2016-05-19
CN107112874B (zh) 2020-09-22

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