CN1375908A - Triphase AC synchronous permanent-magnet motor and generator - Google Patents
Triphase AC synchronous permanent-magnet motor and generator Download PDFInfo
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- CN1375908A CN1375908A CN 02117092 CN02117092A CN1375908A CN 1375908 A CN1375908 A CN 1375908A CN 02117092 CN02117092 CN 02117092 CN 02117092 A CN02117092 A CN 02117092A CN 1375908 A CN1375908 A CN 1375908A
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Abstract
A three-phase AC permanent synchronous electric-motor contains a case, front and back bearing magnet, end cover, stator and windings, rotor, squirrel-cage and iron-core with the characteristics of setting several pairs of permanent magnets in notches on the squrrel-cage of the rotor in the light of N-S symmetric way on parallel with the rotor axes or inclined in a certain angle, pairs of the poles are determined in line with the pole-pairs of the motor and putting several conductive metal strips in the rotor not lower than twice of the magnetic blocks in parallel with the rotor axes or with inclined angle connected with the metal-end rings at both end of the rotor. The iron-core of the rotor is connected with the rotating axes of the motor in the way of nonmagnetic separation.
Description
Technical field
The present invention relates to a kind of electronic, generating multiplex motor.
Background technology
Traditional Y series asynchronous motor comprises: stator, stator winding, rotor and casing etc.It is as follows that this kind motor exists shortcoming: the copper loss and the iron loss that at first are motor are bigger, and general described two kinds of losses can account for about 17% of total losses, along with the motor internal temperature rise, and its stator copper loss and iron loss increase in direct ratio; Next is that asynchronous machine exists the big shortcoming of revolutional slip, generally in 10%, causes the reduction of electric efficiency and power output; The 3rd be the starting moment of torsion less.
Summary of the invention
Triphase AC synchronous permanent-magnet motor of the present invention, generator not only can provide a kind of electronic, generating multiplex motor, can also replace the induced field of mouse cage with the permanent magnetic field of rotor, effectively reduce temperature of rotor, eliminate copper loss of rotor and iron loss, improve motor working efficiency, guarantee synchronous speed.
Triphase AC synchronous permanent-magnet motor of the present invention, generator comprise rotor that housing, fore bearing, rear bearing, front end housing, rear end cap, stator, stator winding, rotor mouse cage and rotor core and permanent magnet form, fan blade, blade cover, terminal block etc.The stator rotor iron core adopts common iron core form, is made by siliceous magnetic conductive metal; Described stator core wire casing is evenly arranged at the stator core inner surface; It is characterized in that: described stator core wire casing is parallel to each other to the iron core axis, or is parallel to each other and becomes 0-40 ° of inclination angle with the iron core axis, and the inclination angle is not limit to the right left; Rotor core is made up of permanent magnet, conducting magnet core, conductiving metal strip and conducting metal end ring; Described permanent magnet can be parallel to each other to rotor axis to being arranged in the groove on cage rotor surface by N-S utmost point symmetric form by some, or is parallel to each other and becomes 0-40 ° of inclination angle with rotor axis; Its number of pole-pairs is pressed the number of poles setting of motor; Described conductiving metal strip is parallel to each other by the quantity that is not less than 2 times of magnetic patch and is parallel with rotor axis or become 0-40 ° of inclination angle to be arranged in the rotor, and its two ends are connected with the metal end ring of two ends of rotor, the closed-loop path of formation squirrel-cage; Described rotor core directly is connected every magnetic with the machine shaft realization is non-; Described rotor winding and stator winding keep 0-40 ° electrical degree.
Aforesaid a kind of triphase AC synchronous permanent-magnet motor, generator; It is characterized in that: wide, the thickness of permanent magnet and magnetic field intensity equal stator winding magnetic flux according to the magnetic flux of p-m rotor and determine for 3 times.
Aforesaid a kind of triphase AC synchronous permanent-magnet motor, generator; It is characterized in that: the radial mode shape of permanent magnet is divided into circular arc type, arc rectangle, square type, axially is the square type.
Aforesaid a kind of triphase AC synchronous permanent-magnet motor, generator; It is characterized in that: the sectional area of described conductiving metal strip is pressed 5 times of the motor rated current and is determined.
Aforesaid a kind of triphase AC synchronous permanent-magnet motor, generator is characterized in that: must separate with the magnetic conductive metal that conducting magnet core links by quilt between per two N, the S utmost point permanent magnet.
The present invention compares with traditional motor, has following advantage:
Since rotor on be provided with permanent magnet and bus, so can be used for electronic and the generating two kinds of operating modes, but and bidirectional movement;
2. reduce the temperature rise of motor internal effectively, eliminated copper, the iron loss of rotor, reduced the copper iron loss of stator core, reduced rated current, improved electric efficiency; Improve power factor, reduced the pollution of electrical network; With Y series 1.5KW motor is example: rated current has reduced 30%, and temperature rise has reduced by 60%, and total losses have reduced by 66%, and efficient has improved 18%.
3. increased the starting torque of motor.
4. realized and the synchronized rotating speed.
Description of drawings
Fig. 1 is the rotor cutaway view of triphase AC synchronous permanent-magnet motor of the present invention, generator.
Fig. 2 is the permanent magnet of triphase AC synchronous permanent-magnet motor of the present invention, generator becomes 3-40 ° of inclination angle with rotor axis a schematic diagram.
Fig. 3 is the rotor structure schematic diagram of triphase AC synchronous permanent-magnet motor of the present invention, generator.
Fig. 4 is the stator core construction schematic diagram of triphase AC synchronous permanent-magnet motor of the present invention, generator.
Fig. 5 is the stator core wire casing of triphase AC synchronous permanent-magnet motor of the present invention, generator becomes 3-40 ° of inclination angle with iron mandrel a schematic diagram.
Fig. 6 is the stator core wire casing schematic diagram parallel with iron mandrel of triphase AC synchronous permanent-magnet motor of the present invention, generator.
Fig. 7 is the cross sectional representation of the circular arc type permanent magnet on the rotor core of triphase AC synchronous permanent-magnet motor of the present invention, generator.
Fig. 8 is the cross sectional representation of the arc square type permanent magnet on the rotor core of triphase AC synchronous permanent-magnet motor of the present invention, generator.
Fig. 9 is the cross sectional representation of the square type permanent magnet on the rotor core of triphase AC synchronous permanent-magnet motor of the present invention, generator.
Unit number explanation in the accompanying drawing:
1. conductiving metal strip, 2. permanent magnet, 3. rotor iron Job's tears, 4. machine shaft, 5. rotor metal end ring, 6. two ends of rotor fan sheet, 7. stator core, 8. stator core wire casing.
Embodiment
The rotor that triphase AC synchronous permanent-magnet motor of the present invention, generator are made up of housing, fore bearing, rear bearing, front end housing, rear end cap, stator, stator winding, rotor mouse cage and rotor core and permanent magnet is formed, and also has fan blade, blade cover at the rotor core two ends.Inlayed the permanent magnet that becomes symmetrical arranged in form by the N-S utmost point at rotor surface, its number of pole-pairs is pressed the number of poles 1,2,3,4,5,6 of motor etc.Wide, the thickness and the magnetic field intensity of permanent magnet are decided according to number of poles, iron core model and the watt level of motor.Separated by magnetic conductive metal between the every permanent magnet.Form field circuit by the magnetic conductive metal material between every adjacent N-S two block permanent magnets.When passing through three-phase alternating current in the stator coil, the changeable rotating magnetic field of electric current in the stator winding acts on N utmost point permanent magnet and the S utmost point permanent magnet, driving N-S utmost point permanent magnet rotates synchronously with rotating magnetic field, when N-S utmost point permanent magnet rotates synchronously with rotating magnetic field, also formed the magnetic field of two closures between two magnetic poles, made and produced alternating magnetic field and changeable electric current in two magnetic conductive metals between the magnetic pole.These changeable electric currents flow by the closed-loop path of the becket formation of bonding jumper in the rotor core and two ends of rotor, reduced hysteresis, make the various losses in the stator winding reduce to minimum, thereby the various losses of stator winding have also been significantly reduced, motor not only can be realized fully and synchronized, and power factor and efficient are increased substantially, and reach and the synchronized rotating speed.
Claims (5)
1. a triphase AC synchronous permanent-magnet motor, generator comprise rotor that housing, fore bearing, rear bearing, front end housing, rear end cap, stator, stator winding, rotor mouse cage and rotor core and permanent magnet are formed and fan blade, blade cover, terminal block etc.The stator rotor iron core adopts common iron core form, is made by siliceous magnetic conductive metal; Described stator core wire casing is evenly arranged at the stator core inner surface; It is characterized in that: described stator core wire casing is parallel to each other to the iron core axis, or is parallel to each other and becomes 0-40 ° of inclination angle with the iron core axis, and the inclination angle is not limit to the right left; Rotor core is made up of permanent magnet, conducting magnet core, conductiving metal strip and conducting metal end ring; Described permanent magnet can be parallel to each other to rotor axis to being arranged in the groove on cage rotor surface by N-S utmost point symmetric form by some, or is parallel to each other and becomes 0-40 ° of inclination angle with rotor axis; Its number of pole-pairs is pressed the number of poles setting of motor; Described conductiving metal strip is parallel to each other by the quantity that is not less than 2 times of magnetic patch and is parallel with rotor axis or become 0-40 ° of inclination angle to be arranged in the rotor, and its two ends are connected with the metal end ring of two ends of rotor, the closed-loop path of formation squirrel-cage; Described rotor core directly is connected every magnetic with the machine shaft realization is non-; Described rotor winding and stator winding keep 0-40 ° electrical degree.
2. a kind of triphase AC synchronous permanent-magnet motor as claimed in claim 1, generator is characterized in that: wide, the thickness of permanent magnet and magnetic field intensity equal stator winding magnetic flux according to the magnetic flux of p-m rotor and determine for 3 times.
3. a kind of triphase AC synchronous permanent-magnet motor as claimed in claim 1, generator is characterized in that: the radial mode shape of permanent magnet is divided into circular arc type, arc rectangle, square type, axially is the square type.
4. a kind of triphase AC synchronous permanent-magnet motor as claimed in claim 1, generator is characterized in that: the sectional area of described conductiving metal strip is pressed 5 times of the motor rated current and is determined.
5. a kind of according to claim 1 triphase AC synchronous permanent-magnet motor, generator is characterized in that: must separate with the magnetic conductive metal that conducting magnet core links by quilt between per two N, the S utmost point permanent magnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02117092 CN1205724C (en) | 2002-04-29 | 2002-04-29 | Triphase AC synchronous permanent-magnet motor and generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02117092 CN1205724C (en) | 2002-04-29 | 2002-04-29 | Triphase AC synchronous permanent-magnet motor and generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1375908A true CN1375908A (en) | 2002-10-23 |
| CN1205724C CN1205724C (en) | 2005-06-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02117092 Expired - Fee Related CN1205724C (en) | 2002-04-29 | 2002-04-29 | Triphase AC synchronous permanent-magnet motor and generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1205724C (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100454716C (en) * | 2003-06-27 | 2009-01-21 | 三菱电机株式会社 | Permanent magnetic rotating machine |
| CN102121455A (en) * | 2009-12-23 | 2011-07-13 | 通用电气公司 | Wind turbine drivetrain system |
| CN101299552B (en) * | 2007-03-06 | 2011-12-14 | 韦塞斯能量股份公司 | Generator for wind farms |
| CN102377304A (en) * | 2010-08-20 | 2012-03-14 | 威斯达电器(中山)制造有限公司 | Permanent-magnet synchronous motor and bread machine using same |
| CN102377308A (en) * | 2011-12-05 | 2012-03-14 | 滨州市金毅设备有限公司 | Self-started rare earth efficient energy-saving special motor |
| CN102769363A (en) * | 2011-11-25 | 2012-11-07 | 滨州市金毅设备有限公司 | Self-starting rare earth high-efficiency and energy-saving motor |
| CN102957285A (en) * | 2012-11-07 | 2013-03-06 | 温岭市东菱电机有限公司 | High-efficiency permanent-magnetic synchronous motor |
| CN103532271A (en) * | 2013-09-25 | 2014-01-22 | 于波 | High-efficiency motor generator |
| CN108683317A (en) * | 2018-05-22 | 2018-10-19 | 江南大学 | A kind of hybrid-type elevator permanent-magnetic synchronous motor of conducting bar-salient pole |
| CN111355318A (en) * | 2020-04-13 | 2020-06-30 | 南京工程学院 | High-power permanent magnet synchronous motor |
| CN112230143A (en) * | 2020-09-27 | 2021-01-15 | 中车永济电机有限公司 | Asynchronous motor online detection device and method |
| CN114825678A (en) * | 2022-05-05 | 2022-07-29 | 杨培应 | Electric generator |
-
2002
- 2002-04-29 CN CN 02117092 patent/CN1205724C/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100454716C (en) * | 2003-06-27 | 2009-01-21 | 三菱电机株式会社 | Permanent magnetic rotating machine |
| CN101299552B (en) * | 2007-03-06 | 2011-12-14 | 韦塞斯能量股份公司 | Generator for wind farms |
| CN102121455A (en) * | 2009-12-23 | 2011-07-13 | 通用电气公司 | Wind turbine drivetrain system |
| CN102377304A (en) * | 2010-08-20 | 2012-03-14 | 威斯达电器(中山)制造有限公司 | Permanent-magnet synchronous motor and bread machine using same |
| CN102769363A (en) * | 2011-11-25 | 2012-11-07 | 滨州市金毅设备有限公司 | Self-starting rare earth high-efficiency and energy-saving motor |
| CN102377308A (en) * | 2011-12-05 | 2012-03-14 | 滨州市金毅设备有限公司 | Self-started rare earth efficient energy-saving special motor |
| CN102957285A (en) * | 2012-11-07 | 2013-03-06 | 温岭市东菱电机有限公司 | High-efficiency permanent-magnetic synchronous motor |
| CN103532271A (en) * | 2013-09-25 | 2014-01-22 | 于波 | High-efficiency motor generator |
| CN108683317A (en) * | 2018-05-22 | 2018-10-19 | 江南大学 | A kind of hybrid-type elevator permanent-magnetic synchronous motor of conducting bar-salient pole |
| CN111355318A (en) * | 2020-04-13 | 2020-06-30 | 南京工程学院 | High-power permanent magnet synchronous motor |
| CN112230143A (en) * | 2020-09-27 | 2021-01-15 | 中车永济电机有限公司 | Asynchronous motor online detection device and method |
| CN114825678A (en) * | 2022-05-05 | 2022-07-29 | 杨培应 | Electric generator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1205724C (en) | 2005-06-08 |
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