CN115085412A - Novel 6-layer flat wire hairpin stator winding design - Google Patents
Novel 6-layer flat wire hairpin stator winding design Download PDFInfo
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- CN115085412A CN115085412A CN202210851179.6A CN202210851179A CN115085412A CN 115085412 A CN115085412 A CN 115085412A CN 202210851179 A CN202210851179 A CN 202210851179A CN 115085412 A CN115085412 A CN 115085412A
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- 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
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/16—Stator cores with slots for windings
- H02K1/165—Shape, form or location of the slots
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- 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
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- 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
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- 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
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- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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Abstract
The invention relates to a novel 6-layer flat wire hairpin stator winding design, which comprises a stator core and a stator winding, wherein a stator slot is arranged in the stator core; the stator winding comprises a U-phase winding, a V-phase winding and a W-phase winding, and three windings are arranged on each phase of the U-phase winding, the V-phase winding and the W-phase winding and are all parallel branches. The invention has the beneficial effects that: 1. the stator winding is arranged into 6 layers and combined with the parallel branch to be optimized into 6 poles, so that the types of the hairpin lines are reduced to 5 (including three-phase power supply outgoing lines and neutral lines), and the production cost and the plug wire difficulty of the hairpin lines are reduced; 3. and a whole-moment single-layer connection mode is adopted, namely, the windings are in the same slot and phase, so that the turn-to-turn voltage of the motor is reduced, and the insulativity and the torque capacity of the motor are improved.
Description
Technical Field
The invention relates to the technical field of stator windings, in particular to a novel 6-layer flat wire hairpin stator winding design.
Background
With the comprehensive coverage of new energy electric vehicles, people pay more and more attention to the driving feeling of the new energy electric vehicles. Therefore, the optimization of the motor of the new energy electric automobile is more and more emphasized by people.
While continuously pursuing high slot filling rate, high power density and high torque density of the motor, the round-wire motor is difficult to break through the bottleneck of the new performance requirement of the current driving motor. Thus, a flat wire hairpin motor appears.
The appearance of a flat wire hairpin (Hair-Pin) motor realizes the performance requirements which cannot be met by a round wire motor. The flat wire hairpin motor further improves the high slot filling rate, high power density, good heat dispersion and NVH performance, can greatly reduce the height of the motor winding end, reduces the copper consumption of the winding, and further improves the efficiency of the vehicle driving motor.
At present, the flat wire hairpin winding motor is successfully applied to the whole automobile by advanced enterprises of new energy automobiles such as Puruisi, Chevrolet, Tesla and the like abroad, and the industrialization is successfully realized. In China, various enterprises in China also reserve a large amount of related technology and process capability of the flat wire hairpin winding motor.
However, in the flat wire hairpin motor in the prior art, due to the particularity of the winding structure and the difference of the winding connection modes, the star point connection and the three-phase outgoing line are distributed at the wire inserting end of the stator winding, so that the number of special-shaped wires is increased, and the special-shaped wires have complicated structural wiring and poor processing technology.
Therefore, a new 6-layer flat wire hairpin stator winding design is desired to be proposed to solve the problems in the prior art.
Disclosure of Invention
The embodiment of the invention provides a novel 6-layer flat wire hairpin stator winding design which can solve the problems in the related art.
In one aspect, embodiments of the present invention provide a novel 6-layer flat wire hairpin stator winding design,
the stator comprises a stator core, wherein a stator slot is arranged in the stator core;
and the stator winding comprises a U-phase winding, a V-phase winding and a W-phase winding, and three windings are arranged on each phase of the U-phase winding, the V-phase winding and the W-phase winding and are all parallel branches.
In some embodiments, 72 stator slots are uniformly distributed along the circumference of the stator core, and each stator slot is provided with 6 layers of conductors.
In some embodiments, the stator winding is a 6-pole full pitch single layer distributed winding.
In some embodiments, the stator windings are hairpin windings, one end of the hairpin winding is a plug end, and the plug end is composed of hairpin flat copper wires with a pitch of Y1-12 and/or Y2-13.
In some embodiments, the other end of the hairpin winding is a welding end, and the welding end is formed by welding after twisting heads of different layers of hairpin flat copper wires with the pitch of 12.
In some embodiments, the welding end is provided with a three-phase power outlet and a neutral.
In some embodiments, the three-phase power outlet and the neutral wire are each led out of the outermost and the next outermost layers of the hairpin winding.
In some embodiments, the structure of the U-phase winding starts from a U-phase power supply lead connected to terminal U1_ in, terminal U2_ in, and terminal U3_ in, which are commonly lead to neutral connections from terminal U1_ out of the 1 st leg, terminal U2_ out of the 2 nd leg, and U3_ out of the third leg, respectively.
In some embodiments, the structure of the V-phase winding starts from a V-phase power supply lead connected to the terminals V1_ in, V _ in, and V _ in, which are connected from the terminal V1_ out of the 1 st leg, the terminal V2_ out of the 2 nd leg, and the V3_ out of the third leg, respectively, in common to the neutral.
In some embodiments, the structure of the W-phase winding starts from a W-phase power supply lead connected to the terminal W1_ in, the terminal W2_ in, and the terminal W3_ in, and the structure of the W-phase winding is connected from the terminal W1_ out of the 1 st leg, the terminal W2_ out of the 2 nd leg, and the W3_ out of the third leg, all in common, to the neutral line.
The technical scheme provided by the invention has the beneficial effects that: 1. the structure is simplified by adopting a parallel branch of 6-pole integral-distance single-layer distributed windings; 2. the stator winding is arranged into 6 layers and combined with the parallel branch to be optimized into 6 poles, so that the types of the hairpin lines are reduced to 5 (including three-phase power supply outgoing lines and neutral lines), and the production cost and the plug wire difficulty of the hairpin lines are reduced; 3. the whole-moment single-layer connection mode is adopted, namely, the windings are in the same slot and phase, so that the turn-to-turn voltage of the motor is reduced, and the insulativity and the torque capacity of the motor are improved; 4. the welding end winding is free of bridge connection wires, only three-phase power supply outgoing lines and neutral wires are reserved, the number of special-shaped wires is reduced, the end portion layout of the winding is simplified, the feasibility of the winding mass production manufacturing process is improved, and wire plugging is facilitated; 5. according to the winding connection mode, a bridging line and a three-phase power supply outgoing line at a wire insertion end are eliminated, the winding structure is simplified, the height of the end part of the winding is further reduced, and the axial utilization space of the driving motor is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is an isometric view of the weld end of a novel 6-layer flat wire hairpin stator winding design of the invention;
FIG. 2 is an isometric view of a terminal of a novel 6-layer flat wire hairpin stator winding design of the invention;
FIG. 3 is a side view of a stator assembly of a novel 6-layer flat wire hairpin stator winding design of the present invention;
fig. 4 is a schematic diagram of the structure of the present invention after the hairpin turns with the pin end pitch Y1-12 and Y2-13;
FIG. 5 is a schematic diagram of a single flat wire hairpin winding of a novel 6-layer flat wire hairpin stator winding design of the invention;
fig. 6 is a schematic diagram of a hairpin twisted head with a welding tip pitch of Y1-12 according to the present invention after welding;
FIG. 7 is a winding principle connection diagram of a novel 6-layer flat wire hairpin stator winding design of the present invention;
FIG. 8 is an enlarged view of a partial cross-sectional view of a stator slot of a novel 6-level flat wire hairpin stator winding design of the present invention;
fig. 9 is a U-phase principle development of a novel 6-layer flat wire hairpin stator winding design of the present invention.
In the figure: 1. a stator core; 2. a stator slot; 3. a stator winding; 4. a plug end; 5. and welding the end.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1 to 3, an embodiment of the present invention provides a novel 6-layer flat wire hairpin stator winding design, including
The stator comprises a stator core 1, wherein a stator slot 2 is arranged in the stator core 1;
and the stator winding 3 comprises a U-phase winding, a V-phase winding and a W-phase winding, and three windings are arranged on each phase of the U-phase winding, the V-phase winding and the W-phase winding and are all parallel branches.
Referring to fig. 7, in the present embodiment, 3 parallel branches of the U-phase winding, the 1 st branch of the U-phase power line enters from a terminal U1_ in, the 2 nd branch enters from a terminal U2_ in, and the 3 rd branch enters from a terminal U3_ in, and then all conductors are connected in series in a wave winding manner according to the winding current direction;
3 parallel branches of a V-phase winding, wherein the 1 st branch of a V-phase power line enters from a terminal V1_ in, the 2 nd branch enters from a terminal V2_ in, and the 3 rd branch enters from a terminal V3_ in, and then all conductors are connected in series in a wave winding mode respectively according to the current direction of the winding;
3 parallel branches of the W-phase winding, the 1 st branch of the W-phase power line enters from a terminal W1_ in, the 2 nd branch enters from a terminal W2_ in, and the 3 rd branch enters from a terminal W3_ in, and then all conductors are connected in series in a wave winding mode according to the winding current direction
Referring to fig. 9, optionally, 72 stator slots 2 are uniformly distributed along the circumference of the stator core 1, and 6 layers of conductors are arranged in each stator slot 2.
Optionally, the stator winding 3 is a 6-pole full-pitch single-layer distributed winding.
Referring to fig. 4, optionally, the stator winding 3 is a hairpin winding, one end of the hairpin winding is a plug terminal 4, and the plug terminal 4 is composed of hairpin flat copper wires with a pitch of Y1-12 and/or Y2-13.
In this embodiment, a rectangular single-layer flat wire hairpin winding in which the pole pair number P is 3, the slot number Z is 72, and the number N of conductors per slot is 6 is taken as an example for explanation. Winding terminal terminals U1_ in (U1_ out), U2_ in (U2_ out), U3_ in (U3_ out), V1_ in (V1_ out), V2_ in (V2_ out), V3_ in (V3_ out), W1_ in (W1_ out), W2_ in (W2_ out), W3_ in (W3_ out) subscripts 1, 2, 3 respectively correspond to 1 st branch, 2 nd branch, 3 rd branch of each phase winding, each phase winding is connected in parallel by 3 branches, and each branch is composed of 1, 2, 3, 4, 5, 6-layer flat wire hairpin. The 1 st layer and the 6 th layer of the winding plug wire end are formed by hairpin flat wire windings with the pitch Y1 being 12 or the pitch Y2 being 13, the 2 nd, the 3 rd, the 4 th and the 5 th layers are formed by hairpin flat wire windings with the pitch Y1 being 12, and the welding ends are formed by twisting and then welding the hairpin flat wire windings with the pitch Y1 being 12.
Referring to fig. 6, optionally, the other end of the hairpin winding is a welding end 5, and the welding end 5 is formed by welding hairpin flat copper wires of different layers with a pitch of 12 after twisting.
In this embodiment, winding welding end 5 is turned round first equipment shaping by straight section flat copper line, and the rule is turned round first for 6 th floor anticlockwise turn 6 grooves, 4 th floor anticlockwise turn 6 grooves, 3 rd floor clockwise turn 6 grooves, 2 nd floor anticlockwise turn 6 grooves, 1 st floor clockwise turn 6 grooves.
Optionally, the welding end 5 is provided with a three-phase power supply outgoing line and a neutral line.
Optionally, the three-phase power supply outgoing line and the neutral line are both led out from the outermost layer and the secondary outer layer of the hairpin winding.
In the embodiment, the outgoing line and the neutral line of the three-phase power supply are respectively led out from the outermost layer and the secondary outer layer of the hairpin winding, the outgoing line mode can save radial space of a bus bar, and the outgoing line position of the outgoing line of the three-phase power supply can be matched with the whole machine more conveniently.
Referring to fig. 7, alternatively, the structure of the U-phase winding starts from a U-phase power supply lead connected to the terminal U1_ in, the terminal U2_ in, and the terminal U3_ in, and the structure of the U-phase winding is connected from the terminal U1_ out of the 1 st branch, the terminal U2_ out of the 2 nd branch, and the U3_ out of the third branch, which are commonly taken out to the neutral line, respectively.
Referring to fig. 7, alternatively, the structure of the V-phase winding starts from a V-phase power supply lead connected to the terminal V1_ in, the terminal V _ in, and the terminal _ in, and the structure of the V-phase winding is connected from the terminal V1_ out of the 1 st branch, the terminal V2_ out of the 2 nd branch, and the V3_ out of the third branch, collectively to the neutral line, respectively.
Referring to fig. 7, alternatively, the structure of the W-phase winding starts from a W-phase power supply lead connected to the terminal W1_ in, the terminal W2_ in, and the terminal W3_ in, and the structure of the W-phase winding is connected from the terminal W1_ out of the 1 st leg, the terminal W2_ out of the 2 nd leg, and the W3_ out of the third leg, which are commonly taken out to the neutral line, respectively.
In this embodiment, the parallel branch 1: u1_ in enters from the No. 71 slot 6 layer, then enters the same layer No. 12 slot with the pitch Y2 being 13, then enters the No. 24 slot 5 layer with the pitch Y1 being 12, the No. 36 slot 4 layer, the No. 48 slot 3 layer, the No. 60 slot 2 layer, the No. 72 slot 1 layer, then enters the same layer No. 13 slot with the pitch Y2 being 13, then enters the No. 1 slot 2 layer, the No. 61 slot 3 layer, the No. 49 slot 4 layer, the No. 37 slot 5 layer, the No. 25 slot 6 layer with the pitch Y1 being 12, finally enters the same layer No. 38 slot with the pitch Y2, and then the winding crosses the same layer once on the No. 1 layer or the No. 6 layer, then enters the No. 12 slot numbers sequentially with the pitch Y1, that is, i.e. 50 slot 5 layer, No. 62 slot 6 layer, No. 2 slot 3 layer, No. 14 layer No. 1 slot 2 layer, No. 1 slot 2 slot 14 layer, No. 1 slot No. 2 layer, No. 50 slot No. 2 slot 14, No. 1 slot No. 2 layer, slot No. 50 slot No. 2 layer, slot No. 1 slot No. 2 slot No. 1 layer, slot No. 2 slot No. 1 slot No. 2 slot No. 1 layer, slot No. 1 slot No. 2 slot No. 1 slot No. 2 slot No. 1 slot No. 50, slot No. 2 slot No. 1 slot No. 2 slot No. 1 slot No. 13 slot No. 1 slot No. 13 slot No. 1 slot No. 2 slot No. 1 slot No. 13 slot No. 2 slot No. 13 slot No. 1 slot No. 2 slot No. 1 slot No. 2 slot No. 25 slot No. 1 slot No. 2 slot No. 1 slot No. 2 slot No. 1 slot No. 2 slot No. 1 slot No. 2 slot No. 1 slot No. 2 slot No. 1 slot No. 2 slot, No. 38 groove No. 5 layer, No. 26 groove No. 6 layer enter No. 13 groove No. 6 layer, No. 25 groove No. 5 layer, No. 37 groove No. 4 layer, No. 49 groove No. 3 layer, No. 61 groove No. 2 layer, No. 1 groove No. 1 layer enter No. 60 groove No. 1 layer, No. 48 groove No. 2 layer, No. 36 groove No. 3 layer, No. 24 groove No. 4 layer, No. 12 groove No. 5 layer, No. 72 groove No. 6 layer enter No. 59 groove No. 6 layer, No. 71 groove No. 5 layer, No. 11 groove No. 4 layer, No. 23 groove No. 3 layer, No. 35 groove No. 2 layer, No. 47 groove No. 1 layer enter No. 59 groove No. 1 layer, No. 47 groove No. 2 layer, No. 35 groove No. 3 layer, No. 23 groove No. 4 layer, and finally go out from No. 11 groove No. 5 layer U1_ out and are connected with neutral wires;
parallel branch 2: u2_ in enters from slot No. 23, layer 6, finally exits from slot No. 35, layer 5, U2_ out with the rule of tributary 1 and connects to neutral;
parallel branch 3: u3_ in enters from slot No. 47, layer 6, finally exits from slot No. 59, layer 5, U3_ out with the regularity of tributary 2 and connects to the neutral line.
In this embodiment, the winding rules of V-phase, W-phase and U-phase are the same, and the final schematic development is shown in fig. 7, 8 and 9. Finally, U1_ out, U2_ out, U3_ out, V1_ out, V2_ out, V3_ out, W1_ out, W2_ out, and W3_ out are connected to one neutral point. Three-phase power supply outgoing line U phase: u1_ in, U2_ in, U3_ in; phase V: v1_ in, V2_ in, V3_ in; phase W: w1_ in, W2_ in, W3_ in; no adjacent gap bridge wires are connected, and the welding end is only provided with a three-phase power supply outgoing line and a neutral wire, so that the mechanism layout of the end special-shaped wire is greatly simplified, and the space size of the end part of the motor winding is reduced.
The invention has the beneficial effects that:
1. the structure is simplified by adopting a parallel branch of 6-pole integral-distance single-layer distributed windings; 2. the stator winding is arranged into 6 layers and combined with the parallel branch to be optimized into 6 poles, so that the types of the hairpin lines are reduced to 5 (including three-phase power supply outgoing lines and neutral lines), and the production cost and the plug wire difficulty of the hairpin lines are reduced; 3. the whole-moment single-layer connection mode is adopted, namely, the windings are in the same slot and phase, so that the turn-to-turn voltage of the motor is reduced, and the insulativity and the torque capacity of the motor are improved; 4. the welding end winding is free of bridge connection wires, only three-phase power supply outgoing lines and neutral wires are reserved, the number of special-shaped wires is reduced, the end portion layout of the winding is simplified, the feasibility of the winding mass production manufacturing process is improved, and wire plugging is facilitated; 5. according to the winding connection mode, a bridging line and a three-phase power supply outgoing line at a wire insertion end are eliminated, the winding structure is simplified, the height of the end part of the winding is further reduced, and the axial utilization space of the driving motor is improved.
In the description of the present invention, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present invention. Unless expressly stated or limited otherwise, the terms "disposed," "connected," and "connected" are intended to be inclusive and mean, for example, that there may be a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
It is noted that, in the present application, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The foregoing are merely exemplary embodiments of the present invention, which enable those skilled in the art to understand or practice the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A novel 6-layer flat wire hairpin stator winding design is characterized by comprising
The stator comprises a stator core (1), wherein a stator slot (2) is arranged in the stator core (1);
and the stator winding (3) comprises a U-phase winding, a V-phase winding and a W-phase winding, and three windings are arranged on each phase of the U-phase winding, the V-phase winding and the W-phase winding and are all parallel branches.
2. The design of a new 6-layer flat wire hairpin stator winding of claim 1 characterized in that 72 stator slots (2) are uniformly distributed around the stator core (1), each stator slot (2) having 6 layers of conductors.
3. The new 6-layer flat wire hairpin stator winding design of claim 1 wherein the stator winding (3) is a 6-pole full pitch single layer distributed winding.
4. A new 6-layer flat wire hairpin stator winding design according to claim 1, characterized in that the stator winding (3) is a hairpin, one end of which is a plug end (4), the plug end (4) consisting of hairpin flat copper wires with a pitch Y1-12 and/or Y2-13.
5. The design of a novel 6-layer flat wire hairpin stator winding according to claim 4, characterized in that the other end of the hairpin is a welded end (5), and the welded end (5) is formed by twisting and welding different layers of hairpin flat copper wires with a pitch of 12.
6. The new 6-layer flat wire hairpin stator winding design of claim 5 wherein the weld ends (5) are provided with three phase power supply lead-outs and a neutral wire.
7. The novel 6-layer flat wire hairpin stator winding design of claim 1 wherein the three-phase power supply lead-outs and the neutral wire are each drawn from the outermost and the next outermost layers of the hairpin.
8. The novel 6-layer flat wire hairpin stator winding design of claim 1, characterized in that the structure of the U-phase winding starts from a U-phase power supply outlet connected with the terminal U1_ in, the terminal U2_ in and the terminal U3_ in, and the structure of the U-phase winding is commonly outlet to neutral from the terminal U1_ out of the 1 st branch, the terminal U2_ out of the 2 nd branch and the terminal U3_ out of the third branch, respectively.
9. The novel 6-layer flat wire hairpin stator winding design of claim 1 wherein the structure of the V-phase winding starts from a V-phase power supply outlet connected to terminals V1_ in, V _ in and V _ in, the structure of the V-phase winding being connected from terminals V1_ out of branch 1, V2_ out of branch 2 and V3_ out of branch three together to neutral, respectively.
10. The novel 6-layer flat wire hairpin stator winding design of claim 1 wherein the W-phase winding structure starts from a W-phase power supply outlet connected to terminals W1_ in, W2_ in, and W3_ in, and the W-phase winding structure is commonly connected from terminal W1_ out of branch 1, terminal W2_ out of branch 2, and W3_ out of branch three to neutral, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210851179.6A CN115085412A (en) | 2022-07-19 | 2022-07-19 | Novel 6-layer flat wire hairpin stator winding design |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210851179.6A CN115085412A (en) | 2022-07-19 | 2022-07-19 | Novel 6-layer flat wire hairpin stator winding design |
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| CN115085412A true CN115085412A (en) | 2022-09-20 |
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| CN202210851179.6A Pending CN115085412A (en) | 2022-07-19 | 2022-07-19 | Novel 6-layer flat wire hairpin stator winding design |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117097051A (en) * | 2023-10-20 | 2023-11-21 | 博格华纳汽车零部件（武汉）有限公司 | 72-slot 6-pole 2-branch hairpin type flat wire armature winding and motor |
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2022
- 2022-07-19 CN CN202210851179.6A patent/CN115085412A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117097051A (en) * | 2023-10-20 | 2023-11-21 | 博格华纳汽车零部件（武汉）有限公司 | 72-slot 6-pole 2-branch hairpin type flat wire armature winding and motor |
| CN117097051B (en) * | 2023-10-20 | 2024-01-02 | 博格华纳汽车零部件（武汉）有限公司 | 72-slot 6-pole 2-branch hairpin type flat wire armature winding and motor |
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