CN107040059A - Single phase multi module and single phase multi-stage module combined type switched reluctance machines - Google Patents
Single phase multi module and single phase multi-stage module combined type switched reluctance machines Download PDFInfo
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- CN107040059A CN107040059A CN201710441816.1A CN201710441816A CN107040059A CN 107040059 A CN107040059 A CN 107040059A CN 201710441816 A CN201710441816 A CN 201710441816A CN 107040059 A CN107040059 A CN 107040059A
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 63
- 238000004804 winding Methods 0.000 claims description 25
- 239000004744 fabric Substances 0.000 claims description 6
- 230000011218 segmentation Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000005405 multipole Effects 0.000 description 4
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
Classifications
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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
- H02K1/14—Stator cores with salient poles
- H02K1/146—Stator cores with salient poles consisting of a generally annular yoke with salient poles
- H02K1/148—Sectional cores
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/24—Rotor cores with salient poles ; Variable reluctance rotors
-
- 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
-
- 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
- H02K2213/12—Machines characterised by the modularity of some components
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Synchronous Machinery (AREA)
Abstract
The invention discloses single phase multi module and single phase multi-stage module combined type switched reluctance machines, belong to switched reluctance machines field.The motor includes rotor core (20), motor casing (30), motor shaft (40), also comprising several single phase multi modules (10).Because the reluctance motor is combined using the single phase multi module (10) of the present invention, no salient pole, which interlocks, between phase and phase does not also share yoke portion magnetic circuit, each salient pole magnetic circuit that each phase itself is mutually used only in the course of the work, so as to reduce alternate mutual inductance, die cost can be significantly reduced compared to integrated iron core using single phase multi module simultaneously, the problem of solving alternate mutual inductance and die cost.
Description
【Technical field】
Opened the present invention relates to switched reluctance machines field, more particularly to single phase multi module and single phase multi-stage module combined type
Close reluctance motor.
【Background technology】
Existing switched reluctance machines, each phase salient pole is all interlaced arrangement, and yoke portion is common magnetic circuit, during single-phase energization,
Alternate mutual inductance is weaker, and now magnetic linkage is relatively simple, and control calculates also relatively easy, and when commutation, two-phase has overlapping workspace
Domain, two-phase needs to share yoke portion magnetic circuit and exchanged using salient pole magnetic circuit, now just produces than more serious alternate mutual inductance, causes magnetic
Field extreme complicated difficult causes control strategy complicated accurately to calculate.On stream, mould is main to switched reluctance machines
The cost wanted, can reduce die cost, existing switched reluctance machines design if stator core can be carried out into module and split
Theory can support stator core to carry out module fractionation, but can only split into single-phase single-pole module or polyphase multipolar module, not
Single phase multi module can be split into, alternate yoke portion is connected after combining, alternate salient pole interlocks and still suffers from yoke portion common magnetic circuit for it, and
Alternate mutual inductance can not be reduced.Accordingly, it is capable to can not design it is a kind of can reduce the switched reluctance machines of die cost and alternate mutual inductance,
It is the technical problem that existing switched reluctance machines are badly in need of solving.
【The content of the invention】
In order to improve the deficiencies in the prior art, it is an object of the invention to provide a kind of single phase multi module and one kind are single-phase many
Level module combined type switched reluctance machines, the motor by using single phase multi block combiner into motor, to realize reduction mould
Cost and alternate mutual inductance.
The present invention is for the technical scheme that uses of its technical problem of solution：
A kind of single phase multi module, it is the switched reluctance machines that q, rotor iron core salient pole number are y, q >=3 that it, which is applied to the number of phases,
And be natural number, y >=nqz and be natural number, n is packet count of the single phase multi module in reluctance motor, and n is nature
Number, z >=2 and for natural number, the single phase multi module is integrated with iron core module and single-phase winding, and the iron core module is stator
The segmentation module of iron core, the iron core module includes the yoke portion of salient pole and connection salient pole, and the salient pole number of the iron core module is z
Individual, the iron core module Adjacent salient poles angle is A=360/y；The single-phase winding is around mounted in the iron core module salient pole or yoke
In portion.
The present invention a kind of single phase multi module combined type switched reluctance machines are also provided, its comprising rotor core, motor casing,
Motor shaft, the number of phases is q phases, q >=3 and for natural number, and a kind of single phase multi module combined type switched reluctance machines are also included
Several single phase multi modules, each single phase multi module is integrated with iron core module and single-phase winding, the iron core module
For the segmentation module of stator core, the iron core module includes the yoke portion of salient pole and connection salient pole, the salient pole of the iron core module
Number is z, z >=2 and be natural number, and the iron core module Adjacent salient poles angle is A；The single-phase winding is around mounted in the iron
On core module salient pole or yoke portion；Several described single phase multi modules point n groups on the motor circumferencial direction are spaced cloth successively
Put the 1st phase single phase multi module, the 2nd phase single phase multi module ..., q phase single phase multi modules, and respectively mutually form alternate machine
Tool angle, alternate yoke portion is not connected to, and n is natural number, so as to be combined into stator core；Uniformly set on the rotor core circumferencial direction
It is equipped with y salient pole, y >=nqz and be natural number, the rotor core Adjacent salient poles angle is A=360/y；Alternate mechanical angle=
zA±A/q.Motor part example design parameter reference following table：
Table 1
| Number of phases q | 3 | 3 | 3 | 3 | 3 | 3 | 4 | … |
| Single phase multi module salient pole number z | 2 | 2 | 2 | 2 | 2 | 3 | 2 | … |
| Packet count n | 1 | 1 | 2 | 2 | 2 | 2 | 2 | … |
| Rotor with salient pole number y >=nqz | 6 | 7 | 12 | 13 | 14 | 20 | 18 | … |
| Adjacent salient poles included angle A=360/y | 60.0 | 51.4 | 30.0 | 27.7 | 25.7 | 18.0 | 20.0 | … |
| Alternate mechanical angle zA+A/q | 140.0 | 120.0 | 70.0 | 64.6 | 60.0 | 60.0 | 45.0 | … |
| Alternate mechanical angle zA-A/q | 100.0 | 85.7 | 50.0 | 46.2 | 42.9 | 48.0 | 35.0 | … |
It is preferred that, the rotor iron core salient pole quantity y=n (qz+1), alternate mechanical angle=zA+A/q, purpose makes the list
Phase multipole module is circumferentially uniformly distributed.Motor part example design parameter reference following table：
Table 2
| Number of phases q | 3 | 3 | 3 | 3 | 3 | 4 | 4 | … |
| Single phase multi module salient pole number z | 2 | 2 | 2 | 3 | 3 | 2 | 2 | … |
| Packet count n | 1 | 2 | 3 | 1 | 2 | 1 | 2 | … |
| Rotor with salient pole number y=n (qz+1) | 7 | 14 | 21 | 10 | 20 | 9 | 18 | … |
| Adjacent salient poles included angle A=360/y | 51.4 | 25.7 | 17.1 | 36.0 | 18.0 | 40.0 | 20.0 | … |
| Alternate mechanical angle zA+A/q | 120.0 | 60.0 | 40.0 | 120.0 | 60.0 | 90.0 | 45.0 | … |
It is preferred that, a kind of single phase multi module combined type switched reluctance machines point n group cloth phases, n is even number natural number,
Purpose makes each phase separation torque symmetrical.Motor part example design parameter reference following table：
Table 3
It is preferred that, the iron core module salient pole number is z=2, and purpose makes the smaller cost of iron core module die size
It is relatively low.
Further, a kind of single phase multi module combined type switched reluctance machines are inner rotor motor, described single-phase
Multipole module is spaced apart and is fixedly mounted on the motor casing on the motor casing inner periphery, on the motor casing inwall
The angle being provided between the groove for fixing the single phase multi module, adjacent grooves is equal to alternate mechanical angle.
Further, the single-phase winding is around in the yoke portion of the iron core module, and purpose makes the single-phase winding peace
Dress is fixed simple, and the motor casing is non-magnet material, it is therefore an objective to obstructs alternate E Bu magnetic circuits UNICOM, that is, reduces alternate mutual inductance.
Further, a kind of single phase multi module combined type switched reluctance machines are external rotor electric machine, described single-phase
Multipole module is spaced apart and is fixedly mounted on the motor shaft on the motor shaft excircle, and the motor shaft is split
Structure, is set to mandrel and support, and the support casing is provided with for fixing institute on the mandrel on the support outer wall
The angle stated between the groove of single phase multi module, adjacent grooves is equal to alternate mechanical angle.
Further, the single-phase winding is around in the yoke portion of the iron core module, and purpose makes the single-phase winding peace
Dress is fixed simple, and the support is non-magnet material, it is therefore an objective to obstructs alternate E Bu magnetic circuits UNICOM, that is, reduces alternate mutual inductance.
Further, the rotor core is to wait clustered architecture, it is therefore an objective to reduce rotor core die cost.
The present invention principle be：Conventional switched reluctance motor stator core yoke portion is continuous, and Adjacent salient poles are different phase windings
Used, i.e. salient pole magnetic circuit is intermeshed, and yoke portion magnetic circuit is shared when two-phase is powered and is exchanged using salient pole magnetic circuit, therefore is produced more serious
Alternate mutual inductance.What single phase multi module of the present invention was installed around is that the salient pole magnetic circuit in single-phase winding, iron core module is same phase
Used in winding, and combination back yoke is not connected to, and when two-phase is powered, respectively mutually uses the salient pole magnetic circuit of each phase itself, therefore can
Alternate mutual inductance is substantially reduced, while die cost can be significantly reduced compared to integrated iron core using single phase multi module.
Due to using above-mentioned technical proposal, beneficial effects of the present invention are：The invention discloses a kind of single phase multi module
Packet type switch reluctance motor, its stator core is formed by single phase multi block combiner, and no salient pole interlocks between phase and phase
Yoke portion magnetic circuit is not shared, each salient pole magnetic circuit that each phase itself is mutually used only in the course of the work is alternate mutual so as to reduce
Sense, while die cost can be significantly reduced compared to integrated iron core using single phase multi module.
【Brief description of the drawings】
Fig. 1 is the structural representation of the single phase multi module in the present invention.
Fig. 2 is a kind of single phase multi module cloth phase structure schematic diagram of the inner rotor motor of embodiment of the present invention.
Fig. 3 is a kind of motor casing structural representation of the inner rotor motor of embodiment of the present invention.
Fig. 4 is a kind of single phase multi module cloth phase structure schematic diagram of the external rotor electric machine of embodiment of the present invention.
Fig. 5 is a kind of supporting structure schematic diagram of the external rotor electric machine of embodiment of the present invention.
Mark and be meant that in figure：10. single phase multi module, 11. iron core modules, 12. single-phase windings, 10A. the 1st is mutually single
Phase multipole module, the phase single phase multi modules of 10B. the 2nd, the phase single phase multi modules of 10C. the 3rd, 20. rotor cores, 21. salient poles,
30. motor casing, 31. grooves, 40. motor shafts, 41. mandrels, 42. supports, 421. grooves.
【Embodiment】
In order to reduce the alternate mutual inductance of reluctance motor, the invention provides a kind of single phase multi module combined type switching magnetic-resistance
Motor, wherein single phase multi module used as shown in figure 1, the single phase multi module 10 be integrated with iron core module 11 and it is single-phase around
Group 12, iron core module 11 is the segmentation module of stator core, and iron core module 11 includes the yoke portion of salient pole and connection salient pole, iron core mould
The salient pole number of block 11 is z, z >=2 and be natural number, and the situation that salient pole number is 2 is shown in the figure；Iron core module is adjacent
Salient pole angle is A；Single-phase winding is around on the iron core module salient pole or yoke portion.The single phase multi block combiner of the present invention
Formula switched reluctance machines include rotor core, motor casing, motor shaft, and the number of phases is q phases, q >=3 and for natural number, the reluctance motor
Several single phase multi modules are also included, each single phase multi module is integrated with iron core module and single-phase winding, iron core mould
Block is the segmentation module that stator core is split into, and iron core module includes the yoke portion of salient pole and connection salient pole, the salient pole of iron core module
Number is z, z >=2 and be natural number, and z is preferably 2, and iron core module Adjacent salient poles angle is A；Single-phase winding is around mounted in iron core
On module salient pole or yoke portion；Several single phase multi modules divide the n groups phase of arranged for interval the 1st successively on the motor circumferencial direction
Single phase multi module, the 2nd phase single phase multi module ..., q phase single phase multi modules, and respectively mutually form alternate mechanical angle, phase
Between yoke portion be not connected to, n is natural number, so that this several single phase multi block combiner forms a kind of new stator core；Turn
It is evenly arranged with y salient pole on sub- iron core circumferencial direction, y >=nqz and be natural number, and preferably y=n (qz+1), rotor iron
Core Adjacent salient poles angle is A=360/y；Alternate mechanical angle=zA ± A/q, and preferably alternate mechanical angle=zA+A/q.Using
Technical scheme, when each parameter value is different, reluctance motor certain embodiments design parameter reference table 1-3, ability
Field technique personnel can design and produce different reluctance motors according to relevant parameter.
In order to make the purpose , technical scheme and advantage of the present invention be clearer, taken in following examples with each parameter
It is worth specially q=3, z=2, n=2 and with reference to accompanying drawing 2-5, the present invention will be described in further detail.It should be appreciated that herein
Described specific embodiment only to explain the present invention, is not intended to limit the present invention.
Fig. 2, Fig. 4 are mutually tied in inner rotor motor with the cloth in external rotor electric machine respectively for single phase multi module in reluctance motor
Structure schematic diagram.Shown reluctance motor includes rotor core 20, motor casing 30, motor shaft 40, and the number of phases is q=3 phases, is also included
6 single phase multi modules 10, each single phase multi module 10 is integrated with iron core module 11 and single-phase winding 12, iron core module
11 salient pole numbers are z=2, and the Adjacent salient poles angle of iron core module 11 is A, and 25.7 ° of A=360/y ≈；Single-phase winding 12 around mounted in
In the yoke portion of iron core module 11.6 single phase multi modules point n=on the inwall of motor casing 30 or on the excircle of motor shaft 40
2 groups of the phase single phase multi module 10A of arranged for interval the 1st, the 2nd phase single phase multi module 10B, q=3 phase single phase multi modules successively
10C, the 1st phase single phase multi module 10A, the 2nd phase single phase multi module 10B, q=3 phase single phase multi module 10C, and respectively
Alternate mechanical angle is mutually formed, alternate yoke portion is not connected to；Y=n (qz+1)=14 is evenly arranged with the circumferencial direction of rotor core 20
Individual salient pole 21, the Adjacent salient poles angle of rotor core 20 is 25.7 ° of A=360/y ≈；Alternate mechanical angle=zA+A/q=60 °.
With reference to Fig. 2, Fig. 3, thus it is shown that the reluctance motor is the situation of inner rotor motor, and single-phase winding 12 is around mounted in iron core
In the yoke portion of module 11, motor casing 30 is non-magnet material aluminium alloy.Between single phase multi module 10 is on the inner periphery of motor casing 30
Every being distributed and being fixedly mounted on motor casing 30, the folder between fluted 31, adjacent grooves 31 is set on the inner peripheral surface of motor casing 30
Angle is equal to alternate mechanical angle, and groove 31 is used to fix the single phase multi module 10.
Shown in Fig. 4, Fig. 5 be the reluctance motor be external rotor electric machine situation, single-phase winding 12 is around mounted in iron core
In the yoke portion of module 11, single phase multi module 10 is spaced apart on the excircle of motor shaft 40 and is fixedly mounted on described
On motor shaft 40, the motor shaft 40 is Split type structure, is set to mandrel 41 and support 42, and the support 42 is non-magnetic material
Expect aluminium alloy, support 42 is sleeved on mandrel 41, and the folder between fluted 421, adjacent grooves 421 is set on the outer peripheral face of support 42
Angle is equal to alternate mechanical angle, and groove 421 is used to fix the single phase multi module 10.In the external rotor electric machine, the rotor
Iron core is 7 grade clustered architectures.
The embodiment of the invention discloses a kind of single phase multi module combined type switched reluctance machines, it is by single phase multi module
10 combine, and no salient pole, which interlocks, between phase and phase does not also share yoke portion magnetic circuit, each to be mutually used only in the course of the work respectively
The mutually salient pole magnetic circuit of itself, so as to reduce alternate mutual inductance, while can be shown compared to integrated iron core using single phase multi module
Write reduction die cost.
Described above is only the description of the preferred embodiment of the present invention, it should be pointed out that due to the finiteness of literal expression,
And objectively there is unlimited concrete structure, for those skilled in the art, do not departing from the principle of the invention
On the premise of, some improvement can also be made, these improvement also should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of single phase multi module, it is the switched reluctance machines that q, rotor iron core salient pole number are y that it, which is applied to the number of phases, and q >=3 are simultaneously
For natural number, y >=nqz and be natural number, n is packet count of the single phase multi module in reluctance motor, and n is nature
Number, z >=2 and for natural number, it is characterised in that：The single phase multi module is integrated with iron core module and single-phase winding, the iron
Core module is the segmentation module of stator core, and the iron core module includes the yoke portion of salient pole and connection salient pole, the iron core module
Salient pole number be z, the iron core module Adjacent salient poles angle is A=360/y；The single-phase winding is around mounted in the iron core mould
On block salient pole or yoke portion.
2. a kind of single phase multi module combined type switched reluctance machines, it includes rotor core, motor casing, motor shaft, and the number of phases is q
Phase, q >=3 and for natural number, it is characterised in that：Also include several single phase multi modules, each single phase multi module collection
Into iron core module and single-phase winding, the iron core module is the segmentation module of stator core, and the iron core module includes salient pole
With the yoke portion of connection salient pole, the salient pole number of the iron core module is z, z >=2 and be natural number, and the iron core module is adjacent convex
Pole angle is A；The single-phase winding is around on the iron core module salient pole or yoke portion；Several described single phase multi modules exist
On the motor circumferencial direction point n groups successively the phase single phase multi module of arranged for interval the 1st, the 2nd phase single phase multi module ..., q
Phase single phase multi module, and alternate mechanical angle is mutually respectively formed, alternate yoke portion is not connected to, and n is natural number, so as to be combined into stator
Iron core；It is evenly arranged with y salient pole on the rotor core circumferencial direction, y >=nqz and be natural number, the rotor core phase
Adjacent salient pole angle is A=360/y；Alternate mechanical angle=zA ± A/q.
3. a kind of single phase multi module combined type switched reluctance machines according to claim 2, it is characterised in that：Described turn
Sub- iron core salient pole number is y=n (qz+1), alternate mechanical angle=zA+A/q.
4. a kind of single phase multi module combined type switched reluctance machines according to claim 2, it is characterised in that：Described one
Single phase multi module combined type switched reluctance machines point n group cloth phases are planted, n is even number natural number.
5. a kind of single phase multi module combined type switched reluctance machines according to claim 2, it is characterised in that：The iron
Core module salient pole number is z=2.
6. a kind of single phase multi module combined type switched reluctance machines according to claim 2, it is characterised in that：Described one
It is inner rotor motor to plant single phase multi module combined type switched reluctance machines, and the single phase multi module is in the motor casing inner circle
It is spaced apart and is fixedly mounted on the motor casing on week, is provided with the motor casing inwall for fixing described single-phase many
Angle between the groove of pole module, adjacent grooves is equal to alternate mechanical angle.
7. a kind of single phase multi module combined type switched reluctance machines according to claim 6, it is characterised in that：The list
Phase winding is around in the yoke portion of the iron core module, and the motor casing is non-magnet material.
8. a kind of single phase multi module combined type switched reluctance machines according to claim 2, it is characterised in that：Described one
It is external rotor electric machine to plant single phase multi module combined type switched reluctance machines, and the single phase multi module is cylindrical in the motor shaft
It is spaced apart and is fixedly mounted on the motor shaft on week, the motor shaft is Split type structure, is set to mandrel and support, institute
Support casing is stated on the mandrel, the groove for fixing the single phase multi module, phase are provided with the support outer wall
Angle between adjacent groove is equal to alternate mechanical angle.
9. a kind of single phase multi module combined type switched reluctance machines according to claim 8, it is characterised in that：The list
Phase winding is around in the yoke portion of the iron core module, and the support is non-magnet material.
10. a kind of single phase multi module combined type switched reluctance machines according to claim 8, it is characterised in that：It is described
Rotor core is to wait clustered architecture.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710441816.1A CN107040059B (en) | 2017-06-13 | 2017-06-13 | Single-phase multipole module and single-phase multipole module combined switch reluctance motor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710441816.1A CN107040059B (en) | 2017-06-13 | 2017-06-13 | Single-phase multipole module and single-phase multipole module combined switch reluctance motor |
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| CN107040059B CN107040059B (en) | 2023-11-07 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018228282A1 (en) * | 2017-06-13 | 2018-12-20 | 深圳华引动力科技有限公司 | Single-phase multipolar module and single-phase multipolar module combined switched reluctance motor |
| WO2019015413A1 (en) * | 2017-07-18 | 2019-01-24 | 深圳华引动力科技有限公司 | Stator core having centrally-arranged salient poles of each phase, and motor having centrally-arranged salient poles of each phase |
| CN109450121A (en) * | 2018-11-10 | 2019-03-08 | 深圳华引动力科技有限公司 | Iron core module, stator core and the switched reluctance machines using it |
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| CN109450121B (en) * | 2018-11-10 | 2024-05-10 | 深圳华引动力科技有限公司 | Iron core module, stator iron core and switched reluctance motor applying same |
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| Publication number | Publication date |
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| CN107040059B (en) | 2023-11-07 |
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