WO2017055246A2 - Composant de machine électrique et machine électrique munie d'au moins un enroulement - Google Patents

Composant de machine électrique et machine électrique munie d'au moins un enroulement Download PDF

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Publication number
WO2017055246A2
WO2017055246A2 PCT/EP2016/072918 EP2016072918W WO2017055246A2 WO 2017055246 A2 WO2017055246 A2 WO 2017055246A2 EP 2016072918 W EP2016072918 W EP 2016072918W WO 2017055246 A2 WO2017055246 A2 WO 2017055246A2
Authority
WO
WIPO (PCT)
Prior art keywords
winding
coolant
machine component
electric machine
waveguide
Prior art date
Application number
PCT/EP2016/072918
Other languages
German (de)
English (en)
Other versions
WO2017055246A3 (fr
Inventor
Michael NADERER
Nikolaus SCHWEINERT
Original Assignee
Dynamic E Flow 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
Priority claimed from DE102015116811.1A external-priority patent/DE102015116811B4/de
Priority claimed from DE102015116810.3A external-priority patent/DE102015116810A1/de
Application filed by Dynamic E Flow Gmbh filed Critical Dynamic E Flow Gmbh
Priority to KR1020187012360A priority Critical patent/KR102016040B1/ko
Priority to EP16770783.5A priority patent/EP3357142A2/fr
Priority to CN201680065076.XA priority patent/CN108292873A/zh
Publication of WO2017055246A2 publication Critical patent/WO2017055246A2/fr
Publication of WO2017055246A3 publication Critical patent/WO2017055246A3/fr

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Classifications

    • 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
    • H02K3/22—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors consisting of hollow conductors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
    • H02K9/197—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil in which the rotor or stator space is fluid-tight, e.g. to provide for different cooling media for rotor and stator
    • 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
    • H02K15/0056—Manufacturing winding connections
    • H02K15/0068—Connecting winding sections; Forming leads; Connecting leads to terminals
    • H02K15/0081—Connecting winding sections; Forming leads; Connecting leads to terminals for form-wound windings
    • H02K15/0093—Manufacturing or repairing cooling fluid boxes, i.e. terminals of fluid cooled windings ensuring both electrical and fluid connection
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
    • H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
    • H02K21/22—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating around the armatures, e.g. flywheel magnetos
    • 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
    • H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
    • H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information

Definitions

  • the invention relates to an electrical machine component and an electric machine according to the preamble of the independent claims.
  • Electric machines include a winding made of a waveguide through which a coolant is passed to cool the electric machine.
  • the waveguides used for the winding are usually made of an elongated tubular body or shell with an inner cavity, wherein the body is usually made of an electrically conductive material, such as. As copper, is made.
  • the conductive body is usually coated on its outer surface with an electrically insulating material to achieve electrical insulation between adjacent waveguide pieces.
  • the inner cavity is formed as a channel which extends through the entire waveguide in the longitudinal direction.
  • DE 10 2014 201 305 A1 discloses an electric motor having a stator with a plurality of waveguide coils each having a fluid inlet and a fluid outlet with respective ports.
  • the individual waveguide coils are connected to a distributor or a collecting channel, via which the coolant is supplied or removed.
  • a similar hydraulic supply concept is also known from DE 10 2013 205 418 A1, in which the individual hollow conductor coils also have a
  • an electric machine component which comprises at least one internally cooled winding, which is formed from one or more waveguides through which a coolant is passed.
  • Winding may comprise one or more coils and has two ends to which an electrical operating voltage is connected. According to the invention, the ends of the winding each serve as a coolant inlet or coolant outlet.
  • the waveguides are round tube-shaped and have an outer diameter in a range of 1, 0 mm to 4 mm. The ends of the winding are connected to at least one connecting piece, which has a coolant inlet and / or a coolant outlet, a plurality
  • Waveguide connections for connecting waveguides a distribution channel through which the coolant supplied from the coolant inlet in at least one
  • Waveguide is fed, and / or comprises a collecting channel, in which flows from at least one hollow conductor exiting coolant and the
  • the connector also includes at least one electrical phase terminal to which an operating voltage can be applied, wherein the at least one phase terminal is in electrical connection with at least one of the waveguide terminals.
  • the above-mentioned connector may be in a minimum configuration z. B. include a coolant inlet, a plurality of waveguide terminals and a distribution channel through which the supplied coolant from the coolant inlet in
  • At least one waveguide is fed.
  • the connector z. B a plurality of waveguide terminals, a collecting channel, in which the coolant exiting from the Holleitern flows into it, and having a coolant outlet, from which the coolant flows out.
  • a distribution channel and an additional coolant inlet are not provided in this minimal configuration.
  • a winding according to the invention preferably comprises a maximum of four, three or two internal coolant connections. In addition to the coolant connections to the Ends of the winding thus exist a maximum of four more, internal
  • Coolant connections for supplying and / or removing coolant.
  • a coolant connection can according to the invention z. B. serve as a fluid inlet or fluid outlet.
  • a coolant port may also include both a fluid inlet and a fluid outlet. In the latter case, the fluid inlet and the fluid outlet may be integrated in a single component or provided in separate components.
  • Said internal coolant connection is preferably part of a
  • Waveguide ends and one or more coolant connections comprises.
  • the connection piece merely produces a fluid connection between the waveguide ends of two successive partial windings and a coolant connection. It is preferably designed as a tee.
  • a T-piece may in turn be connected via at least one waveguide with a second connector, on which z. B. the terminal-side ends of windings, or the ends of other waveguides of the coolant system, are connected.
  • a second connecting piece preferably comprises a common coolant inlet and a common coolant outlet, a distributor channel via which the coolant is fed into the individual waveguides, and a collecting channel, into which the coolant emerging from the waveguides flows and is led to the coolant outlet of the connecting piece.
  • the aforementioned T-piece is dispensed with, and the adjacent waveguide ends of serially successive partial windings are directly on one
  • Such a connecting piece preferably comprises a common coolant inlet and a common coolant outlet, a distributor channel via which the coolant is fed into the individual waveguides, and a collecting channel, into which the coolant emerging from the waveguides flows and is led to the coolant outlet of the connecting piece.
  • the connector according to the invention preferably has a plurality of waveguide connections and at least one coolant line connection. Within the housing, a coolant distribution channel or a coolant collection channel is provided which communicates with at least one of the waveguide terminals.
  • the connector also both a
  • Coolant distribution channel and a coolant collection channel wherein the coolant distribution channel is then separated hydraulically from the coolant collection channel.
  • the waveguide connections mentioned serve to connect the thin, tubular tubular waveguides, which have an outer diameter of 1, 0 mm to about 4 mm, preferably at most 3.2 mm or 2.5 mm.
  • Coolant line connections serve to connect coolant lines, which generally have a larger cross-section than the waveguide connections.
  • the coolant line connections are z. B. openings, which may have a cross-section or diameter of more than 4 mm or 5 mm.
  • a winding is preferably an entire one
  • phase strand of an electrical machine at the ends of an electrical supply voltage (electrical phase) is connected.
  • a phase strand may consist of a single or optionally also of a plurality of waveguides electrically connected in series.
  • each of the windings is hydraulically connected to at least one connecting piece.
  • all waveguide ends are connected to the same connector.
  • the windings are then supplied exclusively by the connection piece, which acts as a central distribution and collection element.
  • the ends of a winding can either as a coolant inlet or
  • Coolant outlet can be used.
  • one or more coolant branches or internal coolant connections can be provided, via which coolant can be supplied or removed. According to a specific embodiment of the invention is none
  • Coolant divider provided.
  • the coolant is at a Fed to the end of the winding and discharged at the other end.
  • the ends of the winding are then, as described above, at one or more
  • Phase strand provided at least one coolant branch can be added or removed via the coolant.
  • the ends of the phase string are again at one or more terminals
  • the branch line (s) is or are preferably also connected to the same connector. Alternatively, they can also be connected to another connector.
  • the connecting piece is designed such that it has a plurality of waveguide connections - optionally also for adjoining waveguide ends of serially successive partial windings of a phase strand - and preferably a common coolant inlet and a common coolant outlet
  • Distribution channel through which the coolant is fed into besimmte waveguide, and having a collecting channel, in which flows out of certain waveguides refrigerant flows into and to the coolant outlet of the
  • connection piece In addition to a hydraulic connection, the connection piece preferably also establishes an electrical contacting of the waveguides connected thereto. Accordingly, the connector preferably has one or more
  • a waveguide is attached to the connector according to the invention, thereby preferably a hydraulic connection and at the same time an electrical contacting of the waveguide.
  • Those waveguide terminals of the connection piece, on which the electrical phases (U, V, W and possibly also the neutral point of a star connection) of the electric machine are present, are preferably electrically insulated from one another.
  • the connector can also have waveguide terminals that are not electrically isolated from each other, since they have the same potential have to.
  • the ends of coils are connected, which are at a star circuit at the same potential, but also branch lines of a phase strand or internal ends of successive, serially connected partial windings, which are at the same electrical potential.
  • the fitting is preferably not along a circumference of
  • fittings are arranged at a central location laterally on the electric machine, for. B. in a central region of the stator, laterally, at a distance from the stator.
  • the connecting piece is preferably not curved, but preferably runs straight.
  • a winding made of one or more waveguides, which are formed as a hollow wire.
  • the hollow wire or wires preferably have a round cross section or outer circumference.
  • the outer circumference could also be like a circle, such. B. be oval.
  • the outer circumference may in principle have the same or a different shape as the inner circumference.
  • the hollow wires preferably have an outer diameter of less than 10 mm, preferably less than 5 mm and in particular an outer diameter in the range between 1, 0 mm and 3.2 mm.
  • the fluid channel located in the waveguide preferably has a diameter or a maximum extent of less than 5 mm.
  • the diameter or the maximum extent is preferably about 1 to 3 mm.
  • a winding according to the invention preferably comprises a plurality of coils, such. B. multiple tooth coils or multiple coils of a distributed winding.
  • a winding (U, V, W) is connected only at its ends to a coolant circuit.
  • the winding has no internal coolant connection.
  • One end of the coil serves as a coolant inlet and the other end serves as a coolant outlet.
  • a winding (U, V, W) comprises a plurality of coils and one or more internal coolant connections. The or the coolant connections are arranged so that the winding is divided into a plurality of partial windings, each comprising at least one coil.
  • One or more of the partial windings may also each comprise a plurality of coils.
  • a coil preferably has one or more turns, e.g. B. more than 10, 20 or 30 turns.
  • the partial windings of a winding can in principle be flowed through in the same direction or in the opposite direction of coolant.
  • the winding of one phase may be made as a single winding having one or more waveguides electrically connected in series.
  • a winding can also be designed as a parallel winding, in which one or more windings are electrically connected in parallel.
  • the coils of the parallel windings may be physically parallel, i. it can z. B. two waveguides to be wound in parallel around one or more teeth.
  • the coils of the parallel windings may also be physically non-parallel wound.
  • a coil of a first winding may be wound around a first tooth of an electric machine component, and a coil of the parallel winding may be wound around another tooth of the electric machine component.
  • Partial windings each comprising a plurality of coils
  • the individual coils of a first partial winding are preferably arranged in opposite direction to the coils of a second partial winding on the component according to the invention.
  • direction refers to the general direction of flow of the coolant through the respective part winding
  • the hollow conductor coils of a first partial winding can be arranged, for example, in the clockwise direction and the hollow conductor coil in a second partial winding in the counterclockwise direction on the teeth or in the grooves of the component while in
  • each of the coils of a sub-winding has a ranking corresponding to the position of the respective coil in the series circuit.
  • the individual coils z. 1, 2, 3 and 4.
  • a coil of a first partial winding which in terms of their ranking closer to a
  • Partial winding which is arranged with respect to their ranking from the coolant inlet of the second part of the winding further away, preferably arranged adjacent to each other on the electrical machine component. You can z. B. on adjacent teeth. Coils closer to a coolant inlet are generally colder than coils further from one
  • Coolant inlet are located away.
  • a coil of a first partial winding which is arranged in order of priority next to a coolant inlet of the first part of the winding, and a coil of a second partial winding, with respect to their order of a
  • Coolant inlet of the second part of the winding is located furthest away, arranged adjacent to each other on the electrical machine component.
  • the electric machine component may in particular be a rotor or a stator.
  • the invention also relates to an electric machine with an electric machine component, which is constructed according to one of the aforementioned embodiments.
  • the electric machine can be a DC motor or an AC motor, in particular a three-phase electric machine or a generator.
  • FIG. 1 is a schematic view of a three-phase electric machine with Hohldrahtwicklonne;
  • Fig. 2 is an electrical and hydraulic circuit diagram of the machine of Fig. 1;
  • Fig. 3 is a schematic view of a delta connection with opposite
  • connection piece 4 shows a schematic representation of a connection piece for the individual coil ends of the delta connection of FIG. 3;
  • Fig. 5 is a schematic representation of a delta connection, in which the
  • FIG. 6 shows a schematic illustration of a connection piece for the individual coil ends of the delta connection of FIG. 5;
  • Fig. 7 is a schematic representation of a parallel winding of two parallel delta circuits
  • FIG. 8 shows a schematic representation of a connection piece for the individual coil ends of the parallel circuit of FIG. 7;
  • FIG. Fig. 9 shows another embodiment of a parallel winding with two
  • Fig. 10 is a schematic representation of a connector for all
  • Fig. 1 another embodiment of a parallel winding with two
  • Fig. 12 is a schematic representation of a connector for all
  • Waveguide ends of the circuit of Fig. 1 1; 13 shows a schematic illustration of a parallel winding in delta connection, in which each winding has an additional internal coolant connection;
  • Fig. 14 is a schematic illustration of a common terminal for all waveguide ends of the circuit of Fig. 13;
  • Fig. 15 is a schematic representation of a star connection, in which the individual windings are flowed through in the direction of the electrical terminals;
  • 16 shows a schematic representation of a common connection piece for the waveguide ends of the individual windings of the star connection of FIG. 15; 17 is a schematic representation of a star connection, in which the individual windings are flowed through in the direction of the zero point;
  • FIG. 18 shows a schematic illustration of a common connection piece for the waveguide ends of the star connection of FIG. 17;
  • Fig. 19 is a schematic representation of a parallel winding in
  • FIG. 20 shows a schematic illustration of a common connection piece for the waveguide ends of the parallel winding of FIG. 19;
  • Fig. 21 is a schematic representation of a parallel winding in
  • FIG. 22 shows a schematic illustration of a common connection piece for the waveguide ends of the parallel winding of FIG. 21;
  • FIG. FIG. 23 shows a schematic representation of a parallel winding with two parallel star circuits, in which the windings of the individual star circuits each have an internal coolant connection;
  • FIG. 24 shows a schematic view of a common connection piece for the waveguide ends of the parallel winding of FIG. 23;
  • Fig. 25 is a schematic representation of a stator of an external rotor motor with a special arrangement of tooth coils
  • Fig. 26 is a side view of a hollow wire according to a special
  • FIG. 27 is a cross-sectional view of the hollow wire of Fig. 26; and FIG. 28 shows an electrical and hydraulic circuit diagram of a winding for a phase of a polyphase electric machine.
  • FIG. 1 shows a schematic view of a three-phase synchronous machine 10 with an inboard stator 14 and an outboard rotor (not shown).
  • the electrical phases are designated L1, L2 and L3 or 0 and connected in star connection.
  • the stator 14 here comprises six teeth 16 on which the individual windings U, V and W are arranged.
  • the windings U, V, W each consist of a hollow wire 3, through which a coolant flows in order to cool the electric motor 10.
  • each coolant is supplied to the waveguide ends of the individual windings U, V, W and at the neutral point 0.
  • Each of the windings U, V, W further comprises an internal connection piece 20, which the respective winding U, V, W in two partial windings U01, U02; V01, V02; W01, W02 divided.
  • Each partial winding comprises exactly one coil, which is arranged on a respective tooth 16 of the rotor 14.
  • the fittings 20 are T-pieces in the present case, each providing a coolant outlet.
  • the synchronous machine shown in Fig. 1 further comprises a cooling system with a coolant pump 17 and a heat exchanger 18.
  • the pump 17 pumps coolant through various coolant lines 19 to the phase-side ends of the windings U, V, W, and the neutral point 0, where the coolant in the windings U, V, W enters.
  • the coolant then flows in each case through the individual partial windings U01,... W02 and via the connecting pieces 20 in the direction of the heat exchanger 8, where it is cooled and flows back to the pump 17.
  • FIG. 2 The electrical and hydraulic circuit diagram of the synchronous machine of Fig. 1 is shown schematically in Fig. 2.
  • the arrows 1 1 indicate a
  • Coolant input and the arrows 12 a coolant outlet.
  • Coolant connections of the individual connecting pieces 20 are each designated by the reference numeral 5.
  • all the coolant connections 5 serve as coolant outlets 12.
  • the individual windings U, V, W can, in principle, be flowed through in any direction by coolant. It is up to the skilled person to choose the arrangement of the individual waveguide coils and the flow direction so that the best possible cooling is achieved.
  • FIG. 3 shows a schematic view of a delta connection, in which the individual windings are flowed through in opposite directions.
  • counteracting means that the winding ends (for example, U1) connected to a specific electrical phase (eg, L1)
  • the waveguide end U1 is a coolant outlet 12 and the waveguide end W2 is a coolant inlet 11.
  • the flow direction is also in the opposite direction at the other phase connections L2 and L3 a schematic representation of a connector 6 for all waveguide ends (IM, W2) of the individual windings U, V, W.
  • Connecting piece 6 has a common coolant inlet 8 and a common coolant outlet 9.
  • the coolant supplied to the coolant inlet 8 is conducted via a distributor to the individual waveguide ends U2, V2, W2, where it enters the respective winding U, V, W.
  • Fig. 7 shows a schematic representation of a parallel winding of two parallel delta circuits, in which the windings U, V, W of a first delta connection and the corresponding windings IT, V, W of a second delta connection are electrically connected in parallel.
  • the first delta circuit A is in opposite directions and the second delta circuit B also flows in opposite directions of coolant.
  • FIG. 8 An associated connector 6 is shown in Fig. 8.
  • Fig. 9 shows a parallel winding similar to Fig. 7, in which the individual
  • the flow direction of the first delta connection A is opposite to the flow direction of the second delta connection B.
  • coolant thus flows into two waveguide ends and out of two waveguide ends.
  • the associated connector 6 is shown in Fig. 10.
  • Fig. 1 1 shows a parallel winding, similar to Fig. 9, in which the two
  • Delta circuit A is in the same direction as the flow direction through the respective parallel windings IT, V, W of the second delta connection B.
  • the associated connector is shown in Fig. 12.
  • each of the windings U, IT W, W has an internal coolant connection 5 in the form of a T-piece 20, whereby the
  • Windings U ... W, U '... W are divided into two partial windings U01, U02 ... W01, W02.
  • coolant is supplied to the phase-side waveguide ends U1, U2... W1, W2 and discharged to the coolant connections 5 or Ut1, Ut2... Wt1, Wt2 of the connection pieces 20.
  • the delta connection shown on the right it is exactly the opposite.
  • Fig. 13 shows connectors 20 in the form of T-pieces. However, these are not absolutely necessary, because the adjacent ends of two series successive partial windings U01, U02 ... W01, W02 can, for. B. also be connected directly to a common connector 6.
  • connection piece 6 shows a schematic representation of an associated connection piece 6 for the individual coolant connections 7.
  • all the waveguide ends U1, U2... W1, W2, Ut1, Ut2... Wt1, Wt2 of the circuit are on
  • Connector 6 connected. Alternatively, but could also less
  • Connections 7 may be provided.
  • the waveguide ends U1, U2 ... W1 could z. B. at a first connector 6 and the waveguide ends Ut1, Ut2 ... Wt1, Wt2 z. B. be connected to a second connector 6.
  • Various hydraulic flow schemes for a star connection are shown in Figs. FIGS. 15 to 18 relate to a simple winding and FIGS. 19 to 24 to a parallel winding.
  • Flow direction of the coolant is indicated by arrows and is self-explanatory.
  • FIG. 25 shows a schematic view of a stator 14 of an electric machine 10, on whose outer circumference a number of teeth 16 are provided. For clarity, only the winding diagram of one of the windings (here U) is shown here.
  • the winding U here comprises a total of eight coils S1 -S4, which are each arranged on one of the teeth 16.
  • Coils S1 -S4 belong to a first partial winding U01, and another four coils to a second sub-winding U02.
  • the two partial windings U01, U02 are electrically connected in series and form a winding U.
  • each partial winding U01, U02 are each offset by 90 °.
  • the end U01 1 of the winding U is connected to the phase L1, and the other end U02 2 at the neutral point 0.
  • the individual coils S1 -S4 of the two partial windings U01, U02 are arranged such that the coolant flows in the opposite direction through the partial windings U01, U02.
  • coolant is supplied at the waveguide end U01 and 2 discharged coolant at the waveguide end UOI.
  • coolant is supplied at the waveguide end U02i and on
  • Waveguide end U02 2 Coolant removed.
  • the individual coils S1 -S4 of the two partial windings U01, U02 are arranged on the circumference of the stator 14 so that the coolant flows in the opposite direction through the partial windings U01, U02.
  • a coil (eg S1) which is located closer to the coolant inlet 1 1 of the associated part winding (U01), is arranged immediately adjacent to a coil (eg S4) of the other part winding (U2), which is farther from the Coolant inlet 1 1 of the second partial winding (U02) is removed.
  • a thermally cooler coil (S1) is arranged next to a thermally hot coil (S4), so that no thermal hotspots are produced at the stator 14.
  • the direction of winding in adjacent teeth 16 is preferably in opposite directions, so that a north pole N and a south pole S are formed.
  • Fig. 26 shows a schematic side view of a hollow wire 3, as it can be used to produce a winding U, V, W.
  • the hollow wire 3 has a jacket 4 with an inner cavity 25, which forms a longitudinally continuous fluid channel.
  • both the jacket 4 and the cavity 25 have a round cross-section.
  • the cross-sectional shape of shell 4 and cavity 25th could also be different, z. Round and square or oval and angular, etc ..
  • FIG. 28 also shows an electrical and hydraulic circuit diagram of the winding U of FIG. 25.
  • the winding U has an internal cowl middle connection 5 which divides the winding into two partial windings U01, U02, each having four coils S1-S4.
  • parallel lines 21 is indicated in each case which of the coils S1 - S4 of the individual partial windings U01, U02 are arranged adjacent.
  • the flow direction of the coolant is again indicated by arrows 1 1, 12, wherein 1 1 denotes a coolant outlet and 12 a coolant inlet.
  • the flow direction could also be chosen differently.
  • Coolant connection 5 here provides both a coolant inlet 1 1 and a coolant outlet 12 and is part of a connection piece 6 (common connection piece with distributor and collecting channel) or 20 (T piece).
  • connection piece 6 common connection piece with distributor and collecting channel
  • 20 T piece
  • the coolant inlet 1 1 and the coolant outlet 12 could of course also be provided on separate connecting pieces.
  • Embodiments represent only a limited number of examples of possible embodiments.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Windings For Motors And Generators (AREA)
  • Motor Or Generator Cooling System (AREA)

Abstract

L'invention concerne un composant (14) de machine électrique qui comporte au moins un enroulement (U, V, W) générant au moins un champ magnétique et comprenant au moins un conducteur creux (3) qui présente une gaine (4) et un espace intérieur vide (25) à travers lequel peut être guidé un fluide de refroidissement, l'enroulement (U, V, W) présentant deux extrémités (U1, U2,...,W1, W2) au niveau desquelles est raccordée une tension électrique de service (L1, L2, L3, 0). Selon l'invention, les conducteurs creux (3) sont de forme tubulaire et présentent un diamètre extérieur de l'ordre de 1,0 mm à 4 mm, les extrémités (U1, U2,...,W1, W2) de l'enroulement (U, V, W) servent respectivement d'admission de fluide de refroidissement et d'évacuation de fluide de refroidissement, et les extrémités (U1, U2,...,W1, W2) de l'enroulement (U, V, W) sont raccordées à un élément de raccordement (6) qui comprend une entrée (8) de fluide de refroidissement et/ou une sortie (9) de fluide de refroidissement, plusieurs raccordements (7) de conducteur creux pour le raccordement des conducteurs creux (3), un conduit de distribution par lequel au moins un conducteur creux (3) peut être alimenté en fluide de refroidissement, et/ou un conduit collecteur dans lequel le fluide de refroidissement sortant du ou des conducteurs creux (3) s'écoule et est guidé en direction de la sortie (9) de fluide de refroidissement de l'élément de raccordement (6).
PCT/EP2016/072918 2015-10-02 2016-09-27 Composant de machine électrique et machine électrique munie d'au moins un enroulement WO2017055246A2 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
KR1020187012360A KR102016040B1 (ko) 2015-10-02 2016-09-27 전기 기계 부품 및 최소한 하나의 권선을 갖는 전기 기계
EP16770783.5A EP3357142A2 (fr) 2015-10-02 2016-09-27 Composant de machine électrique et machine électrique munie d'au moins un enroulement
CN201680065076.XA CN108292873A (zh) 2015-10-02 2016-09-27 具有至少一个绕组的电机部件和电机

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
DE102015116814.6 2015-10-02
DE102015116811.1 2015-10-02
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WO2020164792A2 (fr) 2019-02-12 2020-08-20 Smart Material Printing B.V. Procédé mécano-chimique
CN114026772A (zh) * 2019-07-29 2022-02-08 舍弗勒技术股份两合公司 电机
DE102021004905A1 (de) 2021-09-29 2023-03-30 Smart Material Printing B.V. Mechanochemisch vorbehandelte, schwermetallfreie Aktivkohlepartikel A
WO2023052393A1 (fr) 2021-09-29 2023-04-06 Smart Material Printing B.V. Particules de charbon actif a prétraitées mécanochimiquement exemptes de métaux lourds, médicaments topiques, produits médicinaux et produits cosmétiques, procédé de production et utilisations

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KR100268099B1 (ko) * 1996-08-07 2000-10-16 히로시 하또리 차량용 회전 전기장치
EP1852956A1 (fr) * 2006-05-05 2007-11-07 Friedrich Prof. Dr.-Ing. Klinger Procédé de refroidissement d'enroulements de machines éléctriques
ATE475218T1 (de) * 2007-03-15 2010-08-15 Direct Drive Systems Inc Kühlung einer elektrischen maschine
FI124814B (fi) * 2010-10-18 2015-01-30 Lappeenrannan Teknillinen Yliopisto Sähkökoneen staattori ja sähkökone
DE102013205418A1 (de) 2012-09-26 2014-04-17 Siemens Aktiengesellschaft Elektrische Maschine
DE102014201305A1 (de) 2014-01-24 2015-07-30 Siemens Aktiengesellschaft Verfahren zur Herstellung eines Statorteils mit einer Hohlleiterspule
KR101623814B1 (ko) * 2014-02-21 2016-05-24 두산중공업 주식회사 수냉각 발전기의 분리형 냉각수 순환 구조 및 그에 따른 냉각 방법

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020164792A2 (fr) 2019-02-12 2020-08-20 Smart Material Printing B.V. Procédé mécano-chimique
CN114026772A (zh) * 2019-07-29 2022-02-08 舍弗勒技术股份两合公司 电机
CN114026772B (zh) * 2019-07-29 2024-03-22 舍弗勒技术股份两合公司 电机
DE102021004905A1 (de) 2021-09-29 2023-03-30 Smart Material Printing B.V. Mechanochemisch vorbehandelte, schwermetallfreie Aktivkohlepartikel A
WO2023052393A1 (fr) 2021-09-29 2023-04-06 Smart Material Printing B.V. Particules de charbon actif a prétraitées mécanochimiquement exemptes de métaux lourds, médicaments topiques, produits médicinaux et produits cosmétiques, procédé de production et utilisations

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WO2017055246A3 (fr) 2017-05-26
KR20180059919A (ko) 2018-06-05

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