CN109038904A - Asymmetric three branches are distributed wave winding connection method - Google Patents
Asymmetric three branches are distributed wave winding connection method Download PDFInfo
- Publication number
- CN109038904A CN109038904A CN201811001079.4A CN201811001079A CN109038904A CN 109038904 A CN109038904 A CN 109038904A CN 201811001079 A CN201811001079 A CN 201811001079A CN 109038904 A CN109038904 A CN 109038904A
- Authority
- CN
- China
- Prior art keywords
- winding
- branch
- coils
- coil
- coil group
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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
- H02K3/28—Layout of windings or of connections between windings
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Windings For Motors And Generators (AREA)
Abstract
The present invention discloses a kind of asymmetric three branches distribution wave winding connection method, and the number of pole-pairs of winding is odd number, and MgO-ZrO_2 brick 3n, n are any positive integer；Each phase winding regularity of distribution is identical, and every phase winding includes two facies tracts, and every facies tract is made of 3/2nds branch windings, and branch winding is identical in the regularity of distribution of each facies tract, constitutes asymmetric branch symmetric winding；The present invention has broken the limitation of conventional AC winding theory, asymmetric three branches, which are provided, for the motor of odd number for number of pole-pairs is distributed wave winding connection method, efficiently solve large-scale pumped storage power motor and hydrogenerator capacity, voltage and the unmatched contradiction of revolving speed, improve the performance of motor, the craftsmanship for installing structurally reasonable, the manufacture of motor is excellent, maintenance is simple, reliable for operation, and improves the technical-economic index of electric power station system.
Description
Technical field
The present invention relates to exchange winding fields, and in particular to a kind of asymmetric three branches distribution wave winding connection method.
Background technique
Stator winding is the important component for realizing energy converting between mechanical, directly affects the properties of motor.Statistics puts into operation
Hydrogenerator discovery, number of pole-pairs is that the hydrogenerator of odd number is fewer, and capacity is also smaller, the circuitry number of stator winding
A predominantly branch and two branches are mainly limited by the optional circuitry number of stator winding.According to Theory of Motor Winding, number of pole-pairs is
The parallel branch number of the hydraulic generator stator winding of odd number is either very little or too many, four branch windings is not present, or even not
There are three branch windings, this is also a less major reason of this kind of hydrogenerator.And as capacity increase more highlights
Capacity, voltage and the unmatched contradiction of revolving speed, bring difficulty to design of electrical motor, make motor performance and unreasonable structure, power station system
The technical-economic index of system is bad.The method solved in the past is or abandons under this revolving speed the superior performance of the hydraulic turbine and use it
The hydraulic turbine of his revolving speed or receive the unreasonable performance of motor, costs dearly.
Summary of the invention
The present invention discloses a kind of asymmetric three branches distribution wave winding connection method, can get not by adjusting the mode of connection
The symmetric winding of symmetrical branch, and wiring is simple and convenient, can efficiently solve the unmatched contradiction of capacity voltage revolving speed, improves electricity
The Technical Economy of machine or even entire electric power station system.
In order to achieve the above object, the technical solution of the present invention is as follows:
The present invention discloses a kind of asymmetric three branches distribution wave winding connection method, and the number of pole-pairs p of winding is odd number, i.e. p
=2m+1, MgO-ZrO_2 brick 3n, m are zero and any positive integer, and n is any positive integer；Each phase winding regularity of distribution is identical,
That is: every phase winding includes two facies tracts, and every facies tract is made of 3/2nds branch windings；The branch winding distribution of two facies tracts
Rule is identical；Three electric potential of branch and magnetic potential are unequal, and branch winding is asymmetric；Potential size, the time-phase angle of phase winding are poor
And magnetic potential size, space-phase angle difference are equal, phase winding is symmetrical；For the sake of numbering and stating conveniently, introduce any just whole
Number M and NM, indicate that the number of positive facies tract, NM indicate the number of negative band with M, M and NM are unequal, and M and NM respectively greater than etc.
Big person in 3n and 2m+1；Three branch windings are as follows:
For first pair pole to 2m+1 to pole, positive 2m+1 coil of facies tract each column is sequentially connected in series structure according to the principle that potential is added
At 3n coil group, respectively M+1 coil group, M+2 coil group, until M+3n coil group；
For first pair pole to 2m+1 to pole, negative is sequentially connected in series structure according to the principle that potential is added with 2m+1 coil of each column
At 3n coil group, respectively NM+1 coil group, NM+2 coil group, until NM+3n coil group；
First branch winding are as follows:
By positive facies tract M+1 coil group, M+3 coil group, M+4 coil group, until M+int (3n/2) number coil group,
And negative band NM+int ((3n+1)/2)+Line 1 circle group, NM+int ((3n+1)/2)+No. 2 coil groups, NM+int ((3n+
1)/2)+No. 4 coil groups, until NM+3n coil group, according to the principle that potential is added be followed in series to form first branch around
Group；
Second branch winding are as follows:
By negative band NM+1 coil group, NM+3 coil group, NM+4 coil group, until NM+int (3n/2) number coil
Group, and positive facies tract M+int ((3n+1)/2)+Line 1 circle group, M+int ((3n+1)/2)+No. 2 coil groups, M+int ((3n+
1)/2)+No. 4 coil groups, until M+3n coil group, according to the principle that potential is added be followed in series to form Article 2 branch around
Group；
Third branch winding are as follows:
By positive facies tract M+ (2+3 (k-1)) coil group and negative band NM+ (2+3 (k-1)) coil group, it is added according to potential
Principle be followed in series to form Article 3 branch winding, wherein k be 1 arrive n；
The present invention discloses a kind of asymmetric three branches distribution wave winding connection method, it is characterized in that: every facies tract separately includes
Three branch windings；Coil is equal pitch.
The technology of the present invention effect:
Theoretical according to exchange winding, number of pole-pairs is the winding of odd number, and parallel branch number is either very little or too many, is not deposited
In four branch windings, or even three branch windings are not present.Exactly this reason, brings great difficulty to design of electrical motor, makes motor
There is a series of problems, such as capacity, voltage and the unmatched contradiction of revolving speed and performance, unreasonable structure.The method solved in the past
It is or abandons the superior performance of the hydraulic turbine under this revolving speed and use the hydraulic turbine of other revolving speeds or receive motor and close not to the utmost
The performance of reason, costs dearly.And the present invention has broken the limitation of exchange winding theory, enters every branch coil by adjusting chain
Position obtains asymmetric three branches distribution wave winding, provides asymmetric three branches distribution for number of pole-pairs for the motor of odd number
Wave winding connection method；Although three branch windings are not the conventional alternative circuitry numbers of certain odd number poles, the system of winding is not made
It makes and mounting process complexity；Conversely, because slot number is reduced, flute profile becomes large-sized, the sectional dimension of bar can be made reasonable, be convenient for
Manufacture and installation；Stator tooth is increased simultaneously away from being conducive to the installation and binding of bar, pre- safety that is anticorona, improving motor
Reliability；In addition, shortening stator core length since circuitry number is reduced, factory building height can be reduced, reduce the construction in power station
Cost；The performance indicators such as the subtransient reactance of motor can be more importantly improved, keep motor performance more reasonable, and improve power station
The technical-economic index of system；In conclusion use three branch windings, efficiently solve large capacity pump storage machines and
Hydrogenerator capacity, voltage and the unmatched contradiction of revolving speed, can be improved the performance of motor, make structurally reasonable, the manufacture of motor
Mounting process is excellent, maintenance is simple, reliable for operation, while improving the technical-economic index of entire electric power station system.
Detailed description of the invention
Fig. 1 is A facies tract coil position distribution schematic diagram of the present invention.
Fig. 2 is X facies tract coil position distribution schematic diagram of the present invention.
Fig. 3 is the asymmetric three branch Distributed Winding connection schematic diagrams of the present invention.
Specific embodiment
The present invention discloses a kind of asymmetric three branches distribution wave winding connection method, it is characterized in that: the number of pole-pairs p of winding is
Odd number, i.e. p=2m+1, MgO-ZrO_2 brick 3n, m are zero and any positive integer, and n is any positive integer；Each phase winding distribution
Rule is identical, it may be assumed that every phase winding includes two facies tracts, and every facies tract is made of 3/2nds branch windings；The branch of two facies tracts
The road winding regularity of distribution is identical；Three electric potential of branch and magnetic potential are unequal, and branch winding is asymmetric；The potential size of phase winding,
Time-phase angle difference and magnetic potential size, space-phase angle difference are equal, and phase winding is symmetrical；For the sake of numbering and stating conveniently, draw
Enter any positive integer M and NM, indicates that the number of positive facies tract, NM indicate the number of negative band with M, M and NM are unequal, and M and NM
The big person being respectively greater than equal in 3n and 2m+1；Three branch windings are as follows:
For first pair pole to 2m+1 to pole, positive 2m+1 coil of facies tract each column is sequentially connected in series structure according to the principle that potential is added
At 3n coil group, respectively M+1 coil group, M+2 coil group, until M+3n coil group；
For first pair pole to 2m+1 to pole, negative is sequentially connected in series structure according to the principle that potential is added with 2m+1 coil of each column
At 3n coil group, respectively NM+1 coil group, NM+2 coil group, until NM+3n coil group；
First branch winding are as follows:
By positive facies tract M+1 coil group, M+3 coil group, M+4 coil group, until M+int (3n/2) number coil group,
And negative band NM+int ((3n+1)/2)+Line 1 circle group, NM+int ((3n+1)/2)+No. 2 coil groups, NM+int ((3n+
1)/2)+No. 4 coil groups, until NM+3n coil group, according to the principle that potential is added be followed in series to form first branch around
Group；
Second branch winding are as follows:
By negative band NM+1 coil group, NM+3 coil group, NM+4 coil group, until NM+int (3n/2) number coil
Group, and positive facies tract M+int ((3n+1)/2)+Line 1 circle group, M+int ((3n+1)/2)+No. 2 coil groups, M+int ((3n+
1)/2)+No. 4 coil groups, until M+3n coil group, according to the principle that potential is added be followed in series to form Article 2 branch around
Group；
Third branch winding are as follows:
By positive facies tract M+ (2+3 (k-1)) coil group and negative band NM+ (2+3 (k-1)) coil group, it is added according to potential
Principle be followed in series to form Article 3 branch winding, wherein k be 1 arrive n；
The present invention discloses a kind of asymmetric three branches distribution wave winding connection method, it is characterized in that: every facies tract separately includes
Three branch windings；Coil is equal pitch.
For the sake of clarity, for a kind of asymmetric three branches distribution wave winding connection method disclosed by the invention, with reality
Specific embodiment is described in detail in example.
The present invention discloses a kind of asymmetric three branches distribution wave winding connection method, and the number of pole-pairs 7 (m=3) of winding is surprise
Number, MgO-ZrO_2 brick are 6 (n=2)；Each phase winding regularity of distribution is identical, it may be assumed that every phase winding includes two facies tracts, every facies tract
It is made of 3/2nds branch windings, the branch winding regularity of distribution of two facies tracts is identical；Three electric potential of branch and magnetic potential are not
Equal, branch winding is asymmetric；Potential size, the time-phase angle of phase winding are poor and magnetic potential size, space-phase angle difference are equal, phase
Winding is symmetrical；Fig. 1 is A facies tract coil position distribution schematic diagram of the present invention, and Fig. 2 is X facies tract coil position of the present invention distribution signal
Scheme, all coils are numbered in figure, the number of slot is numbered as coil where using coil upper layer side, and the first columns is extremely right
Number sequence number, unified to use Roman number layout, the first behavior column number, maximum column number is MgO-ZrO_2 brick 6；For number side
Just for the sake of, it is assumed that M=10, NM=100；Three branch windings are as follows: the A facies tract of the VIIth pair of pole of the Ith pair of best, each column 7
Coil is followed in series to form 6 coil groups, respectively No. 11 coil groups according to the principle that potential is added, No. 12 coil groups, and No. 13
Coil group, No. 14 coil groups, No. 15 coil groups, No. 16 coil groups；No. 11 coil groups are by Line 1 circle, No. 37 coils, No. 73 lines
Circle, No. 109 coils, No. 145 coils, No. 181 coils and No. 217 coils are followed in series to form according to the principle that potential is added；12
Number coil group is by No. 2 coils, No. 38 coils, No. 74 coils, No. 110 coils, No. 146 coils, No. 182 coils and No. 218 coils
It is followed in series to form according to the principle that potential is added；No. 13 coil groups are by No. 3 coils, No. 39 coils, No. 75 coils, No. 111 lines
Circle, No. 147 coils, No. 183 coils and No. 219 coils are followed in series to form according to the principle that potential is added；No. 14 coil groups are by 4
Number coil, No. 40 coils, No. 76 coils, No. 112 coils, No. 148 coils, No. 184 coils and No. 220 coils are added according to potential
Principle be followed in series to form；No. 15 coil groups by No. 5 coils, No. 41 coils, No. 77 coils, No. 113 coils, No. 149 coils,
No. 185 coils and No. 221 coils are followed in series to form according to the principle that potential is added, and No. 16 coil groups are by No. 6 coils, No. 42 lines
The principle that circle, No. 78 coils, No. 114 coils, No. 150 coils, No. 186 coils and No. 222 coils are added according to potential is successively gone here and there
Connection is constituted, as shown in Figure 1；
7 the X facies tract of the VIIth pair of pole of Ith pair of best, each column coils are followed in series to form 6 according to the principle that potential is added
Coil group, respectively No. 101 coil groups, No. 102 coil groups, No. 103 coil groups, No. 104 coil groups, No. 105 coil groups, 106
Number coil group；No. 101 coil groups are by No. 19 coils, No. 55 coils, No. 91 coils, No. 127 coils, No. 163 coils, No. 199 lines
Circle is followed in series to form with No. 235 coils according to the principle that potential is added；No. 102 coil groups are by No. 20 coils, No. 56 coils, 92
Number coil, No. 128 coils, No. 164 coils, No. 200 coils and No. 236 coils are sequentially connected in series structure according to the principle that potential is added
At；No. 103 coil groups are by No. 21 coils, No. 57 coils, No. 93 coils, No. 129 coils, No. 165 coils, No. 201 coils and 237
Number coil is followed in series to form according to the principle that potential is added；No. 104 coil groups by No. 22 coils, No. 58 coils, No. 94 coils,
No. 130 coils, No. 166 coils, No. 202 coils and No. 238 coils are followed in series to form according to the principle that potential is added；No. 105
Coil group is pressed by No. 23 coils, No. 59 coils, No. 95 coils, No. 131 coils, No. 167 coils, No. 203 coils and No. 239 coils
The principle being added according to potential is followed in series to form, and No. 106 coil groups are by No. 24 coils, No. 60 coils, No. 96 coils, No. 132 lines
Circle, No. 168 coils, No. 204 coils and No. 240 coils are followed in series to form according to the principle that potential is added, as shown in Figure 2；
A facies tract first branch winding (i.e. A1 branch winding) are as follows:
The principle that No. 11 coil groups, No. 13 coil groups, No. 104 coil groups and No. 106 coil groups are added according to potential according to
Secondary first branch winding of A facies tract in series (i.e. A1 branch winding)；Specifically, by Line 1 circle, No. 37 coils, No. 73 lines
Circle, No. 109 coils, No. 145 coils, No. 181 coils, No. 217 coils, No. 3 coils, No. 39 coils, No. 75 coils, No. 111 lines
Circle, No. 147 coils, No. 183 coils, No. 219 coils, No. 238 coils, No. 202 coils, No. 166 coils, No. 130 coils, No. 94
Coil, No. 58 coils, No. 22 coils, No. 240 coils, No. 204 coils, No. 168 coils, No. 132 coils, No. 96 coils, No. 60
Coil and No. 24 coils according to the principle that potential is added be followed in series to form first branch winding of A facies tract (i.e. A1 branch around
Group), as shown in Figure 3；
A facies tract second branch winding (i.e. A2 branch winding) are as follows:
By No. 101 coil groups of X facies tract, No. 103 coil groups, No. 14 coil groups are added with No. 16 coil groups according to potential
Principle is followed in series to form A facies tract Article 2 branch winding (i.e. A2 branch winding)；Specifically, by No. 19 coils, No. 55 coils,
No. 91 coils, No. 127 coils, No. 163 coils, No. 199 coils, No. 235 coils, No. 21 coils, No. 57 coils, No. 93 coils,
No. 129 coils, No. 165 coils, No. 201 coils, No. 237 coils, No. 220 coils, No. 184 coils, No. 148 coils, No. 112 lines
Circle, No. 76 coils, No. 40 coils, No. 4 coils, No. 222 coils, No. 186 coils, No. 150 coils, No. 114 coils, No. 78 lines
Circle, No. 42 coils and No. 6 coils are followed in series to form A facies tract Article 2 branch winding (i.e. A2 branch according to the principle that potential is added
Road winding), as shown in Figure 3；
Third branch winding is (i.e. A3 branch winding):
The principle that No. 12 coil groups, No. 15 coil groups, No. 102 coil groups and No. 105 coil groups are added according to potential according to
Secondary Article 3 branch in series (i.e. A3 branch winding)；Specifically, by No. 2 coils, No. 38 coils, No. 74 coils, No. 110 lines
Circle, No. 146 coils, No. 182 coils, No. 218 coils, No. 5 coils, No. 41 coils, No. 77 coils, No. 113 coils, No. 149 lines
Circle, No. 185 coils, No. 221 coils, No. 236 coils, No. 200 coils, No. 164 coils, No. 128 coils, No. 92 coils, No. 56
Coil, No. 20 coils, No. 239 coils, No. 203 coils, No. 167 coils, No. 131 coils, No. 95 coils, No. 59 coils and No. 23
Coil is followed in series to form A facies tract Article 3 branch winding (i.e. A3 branch winding) according to the principle that potential is added, such as Fig. 3 institute
Show；A kind of asymmetric three branch disclosed by the invention is distributed wave winding connection method, and every facies tract separately includes three branch windings；
Coil is equal pitch.
Claims (2)
1. a kind of asymmetric three branch is distributed wave winding connection method, it is characterized in that: the number of pole-pairs p of winding is odd number, i.e. p=2m
+ 1, MgO-ZrO_2 brick 3n, m are zero and any positive integer, and n is any positive integer；Each phase winding regularity of distribution is identical, it may be assumed that
Every phase winding includes two facies tracts, and every facies tract is made of 3/2nds branch windings；The branch winding of two facies tracts is distributed rule
It restrains identical；Three electric potential of branch and magnetic potential are unequal, and branch winding is asymmetric；The potential size of phase winding, time-phase angle difference with
And magnetic potential size, space-phase angle difference are equal, phase winding is symmetrical；For the sake of numbering and stating conveniently, any positive integer M is introduced
And NM, indicate that the number of positive facies tract, NM indicate the number of negative band with M, M and NM are unequal, and M and NM is respectively greater than equal to 3n
With the big person in 2m+1；Three branch windings are as follows:
For first pair pole to 2m+1 to pole, positive 2m+1 coil of facies tract each column is followed in series to form 3n according to the principle that potential is added
A coil group, respectively M+1 coil group, M+2 coil group, until M+3n coil group；
For first pair pole to 2m+1 to pole, negative is followed in series to form 3n according to the principle that potential is added with 2m+1 coil of each column
A coil group, respectively NM+1 coil group, NM+2 coil group, until NM+3n coil group；
First branch winding are as follows:
By positive facies tract M+1 coil group, M+3 coil group, M+4 coil group, until M+int (3n/2) number coil group, and
Negative band NM+int ((3n+1)/2)+Line 1 circle group ,+No. 2 coil groups of NM+int ((3n+1)/2), NM+int ((3n+1)/2)+
No. 4 coil groups, until NM+3n coil group, be followed in series to form first branch winding according to the principle that potential is added；
Second branch winding are as follows:
By negative band NM+1 coil group, NM+3 coil group, NM+4 coil group, until NM+int (3n/2) number coil group,
And positive facies tract M+int ((3n+1)/2)+Line 1 circle group ,+No. 2 coil groups of M+int ((3n+1)/2), M+int ((3n+1)/2)
+ No. 4 coil groups, until M+3n coil group, be followed in series to form Article 2 branch winding according to the principle that potential is added；
Third branch winding are as follows:
By positive facies tract M+ (2+3 (k-1)) coil group and negative band NM+ (2+3 (k-1)) coil group, the original being added according to potential
It is then followed in series to form Article 3 branch winding, wherein k is 1 to n.
2. a kind of asymmetric three branch according to claim 1 is distributed wave winding connection method, it is characterized in that: every facies tract point
It Bao Han not three branch windings；Coil is equal pitch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811001079.4A CN109038904A (en) | 2018-08-30 | 2018-08-30 | Asymmetric three branches are distributed wave winding connection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811001079.4A CN109038904A (en) | 2018-08-30 | 2018-08-30 | Asymmetric three branches are distributed wave winding connection method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109038904A true CN109038904A (en) | 2018-12-18 |
Family
ID=64626215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811001079.4A Pending CN109038904A (en) | 2018-08-30 | 2018-08-30 | Asymmetric three branches are distributed wave winding connection method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109038904A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3175144A (en) * | 1961-04-20 | 1965-03-23 | Nat Res Dev | Three phase, pole-changing rotary electric machines |
| SU773838A1 (en) * | 1979-04-04 | 1980-10-23 | Предприятие П/Я А-7376 | Asymmetric lap winding |
| CN201282376Y (en) * | 2008-10-10 | 2009-07-29 | 哈尔滨电机厂有限责任公司 | Tri-branch double-layer three-phase unsymmetrical branch stator winding |
| CN103580342A (en) * | 2013-11-22 | 2014-02-12 | 哈尔滨电机厂有限责任公司 | Connection method for unconventionality symmetric windings |
| CN205489876U (en) * | 2016-03-17 | 2016-08-17 | 哈尔滨理工大学 | Asymmetric stator winding of four branch road three -phase alternating current motor branch roads in 324 grooves |
| CN205489877U (en) * | 2016-03-17 | 2016-08-17 | 哈尔滨理工大学 | Asymmetric stator winding of six branch road three -phase alternating current motor branch roads in 360 grooves |
-
2018
- 2018-08-30 CN CN201811001079.4A patent/CN109038904A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3175144A (en) * | 1961-04-20 | 1965-03-23 | Nat Res Dev | Three phase, pole-changing rotary electric machines |
| SU773838A1 (en) * | 1979-04-04 | 1980-10-23 | Предприятие П/Я А-7376 | Asymmetric lap winding |
| CN201282376Y (en) * | 2008-10-10 | 2009-07-29 | 哈尔滨电机厂有限责任公司 | Tri-branch double-layer three-phase unsymmetrical branch stator winding |
| CN103580342A (en) * | 2013-11-22 | 2014-02-12 | 哈尔滨电机厂有限责任公司 | Connection method for unconventionality symmetric windings |
| CN205489876U (en) * | 2016-03-17 | 2016-08-17 | 哈尔滨理工大学 | Asymmetric stator winding of four branch road three -phase alternating current motor branch roads in 324 grooves |
| CN205489877U (en) * | 2016-03-17 | 2016-08-17 | 哈尔滨理工大学 | Asymmetric stator winding of six branch road three -phase alternating current motor branch roads in 360 grooves |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2018068369A1 (en) | Permanent magnet brushless motor having high winding factor, and design and fault-tolerant control methods thereof | |
| US10171020B2 (en) | Intelligent cooperative control system and method for multi-unit permanent magnet synchronous motor | |
| CN102412684B (en) | Brushless double-feedback motor of winding rotor | |
| CN106992655B (en) | A kind of magnetic field modulation permanent-magnetism linear motor and its optimum design method improving winding utilization | |
| CN102195376B (en) | Brushless double-fed motor | |
| CN102820757A (en) | Half-gear winding switch reluctance motor | |
| CN102497037A (en) | Switch reluctance motor of stator and rotor sectional type grouping tandem | |
| CN105680653A (en) | Alternating current brushless double-fed motor and design method for tooth harmonic coil-wound rotor distributed winding therefor | |
| CN110581632A (en) | Non-uniform tooth topological structure permanent magnet vernier motor and magnetic field modulation method thereof | |
| CN102739010B (en) | Integer-slot bilayer ring-winding linear electric motor | |
| CN204614626U (en) | The two cake foil formulas of photovoltaic power generation transformer low pressure two division coil | |
| CN106787495A (en) | A kind of three-phase permanent magnet synchronous motor stator-sectional and assemble method | |
| CN113839497A (en) | Design method of low-harmonic double-three-phase fractional slot permanent magnet synchronous motor | |
| CN108900023A (en) | Asymmetric three branch staggered forms concentrate wave winding connection method | |
| CN109038904A (en) | Asymmetric three branches are distributed wave winding connection method | |
| CN102868246B (en) | High-capacity low-speed permanent-magnet wind-driven generator | |
| CN209389808U (en) | One kind can covert double three-phase permanent-magnetic motor stator Circular Winding | |
| CN108900022A (en) | Score pole road is than lap wound partial unit connecting method | |
| CN108900024A (en) | Asymmetric three branches concentrate wave winding connection method | |
| CN109038905A (en) | Symmetrical four branches wave winding connection method | |
| CN108900021A (en) | Score pole road is than wave winding connection method | |
| CN114123711A (en) | Surface-mounted permanent magnet variable voltage frequency converter based on magnetic field modulation principle and design method | |
| CN108988538A (en) | Symmetrical four branches lap wound partial unit connecting method | |
| CN103066790A (en) | Direct-current step motor | |
| CN206180714U (en) | Three -phase permanent magnet generator's stator structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20181218 |