CN205753907U - There is the hybrid excitation permanent magnet motor of double Exciting Windings for Transverse Differential Protection - Google Patents
There is the hybrid excitation permanent magnet motor of double Exciting Windings for Transverse Differential Protection Download PDFInfo
- Publication number
- CN205753907U CN205753907U CN201620434163.5U CN201620434163U CN205753907U CN 205753907 U CN205753907 U CN 205753907U CN 201620434163 U CN201620434163 U CN 201620434163U CN 205753907 U CN205753907 U CN 205753907U
- Authority
- CN
- China
- Prior art keywords
- differential protection
- transverse differential
- rotor
- magnetic pole
- exciting windings
- 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.)
- Withdrawn - After Issue
Links
Abstract
A kind of hybrid excitation permanent magnet motor with double Exciting Windings for Transverse Differential Protection, including casing, stator core, stator armature winding, permanent magnet, rotating shaft, rotor core, rotor windings.Stator armature winding is distributed in stator slot, rotor core is disposed with permanent magnetism magnetic pole and ferromagnetic magnetic pole, rotor windings is made up of demagnetization Exciting Windings for Transverse Differential Protection and operation Exciting Windings for Transverse Differential Protection, demagnetization Exciting Windings for Transverse Differential Protection is enclosed within permanent magnetism magnetic pole pole body, running Exciting Windings for Transverse Differential Protection and be enclosed within ferromagnetic magnetic pole pole body, demagnetization Exciting Windings for Transverse Differential Protection is connected with two exciter control systems respectively with running Exciting Windings for Transverse Differential Protection.Compared with prior art, hybrid excitation permanent magnet motor of the present utility model has two set Exciting Windings for Transverse Differential Protection, there is the air-gap field regulating power of wide scope, and normal excitation, Qiang Li, subtract and encourage and the excitation function such as demagnetization, and its structure is similar to common permagnetic synchronous motor, there is not axial magnetic circuit and additional air gap, there is higher power density and operational efficiency.
Description
Technical field
This utility model belongs to technical field of motors, relates to a kind of magneto.
Background technology
Hybrid excitation permanent magnet motor exists permanent-magnet magnetic kinetic potential and electrical excitation magnetomotive force simultaneously, generally permanent-magnet magnetic kinetic potential accounts for mastery reaction, electrical excitation magnetomotive force helps out, and while fully ensuring that magneto high efficiency advantage, solves a regulation difficult problem for magneto air-gap field.At present, the hybrid excitation permanent magnet motor scheme that domestic and international expert and scholar propose has nearly 30 kinds, and in these hybrid excitation permanent magnet motor schemes, its electrical excitation winding all can realize normal excitation, encourage and subtract functions such as encouraging by force.But, when breaking down inside hybrid excitation permanent magnet motor, due to the existence of permanent magnet, how realizing its demagnetization function, existing major part hybrid excitation permanent magnet motor scheme all accounts for less than in design.
Utility model content
The purpose of this utility model is for the deficiencies in the prior art, it is provided that a kind of hybrid excitation permanent magnet motor with double Exciting Windings for Transverse Differential Protection.Here double Exciting Windings for Transverse Differential Protection refer to the two set Exciting Windings for Transverse Differential Protection possessing different exciting function, and set of excitation winding realizes the normal excitation of excitation system, encourages and subtract functions such as encouraging by force, and another set of winding realizes the demagnetization function of excitation system.
The technical solution of the utility model is realized in.
This utility model includes a casing (1), casing (1) is built with the stator being made up of stator core (2), stator armature winding (3) with by permanent magnetism magnetic pole (4), permanent magnet (5), the rotor that ferromagnetic magnetic pole (6), rotating shaft (7), rotor core (8), rotor windings (9) form；Stator armature winding (3) is distributed on stator core (2) in the groove (10) along the circumferential direction offered, permanent magnetism magnetic pole (4) and ferromagnetic magnetic pole (6) it is disposed with on rotor core (8), each permanent magnetism magnetic pole (4) arranges permanent magnet (5), permanent magnet (5) is symmetrical about permanent magnetism magnetic pole (4) centrage, rotor windings (9) is made up of rotor demagnetization Exciting Windings for Transverse Differential Protection (11) and rotor operation Exciting Windings for Transverse Differential Protection (12), rotor demagnetization Exciting Windings for Transverse Differential Protection (11) is enclosed within permanent magnetism magnetic pole (4) pole body, rotor operation Exciting Windings for Transverse Differential Protection (12) is enclosed within ferromagnetic magnetic pole (6) pole body, rotor demagnetization Exciting Windings for Transverse Differential Protection (11) is connected with two exciter control systems respectively with rotor operation Exciting Windings for Transverse Differential Protection (12).
Stator armature winding (3) described in the utility model can be heterogeneous symmetric winding；It can also be single-phase winding.
Permanent magnetism magnetic pole described in the utility model (4) can determine according to voltage regulation limits with the quantity of ferromagnetic magnetic pole (6).
Permanent magnet described in the utility model (5) can use built-in layout；Surface-mount type can also be used to arrange.
Motor described in the utility model can be inner rotor motor or external rotor electric machine；Can also be rotary magnetic pole type motor or revolving-armature type machine.
Hybrid excitation permanent magnet motor stator core (2) a set of stator armature winding (3) of upper layout with double Exciting Windings for Transverse Differential Protection of the present utility model, for energy converting between mechanical.Being disposed with permanent magnetism magnetic pole (4) and ferromagnetic magnetic pole (6) on rotor core (8), permanent magnet (5), rotor demagnetization Exciting Windings for Transverse Differential Protection (11) are arranged in permanent magnetism magnetic pole (4), and rotor operation Exciting Windings for Transverse Differential Protection (12) is arranged in ferromagnetic magnetic pole (6).Permanent magnetism magnetic pole (4) is identical with the number of poles of stator armature winding (3) with the number of poles sum of ferromagnetic magnetic pole (6), stator armature winding (3) is corresponding with permanent magnet (5) and rotor operation Exciting Windings for Transverse Differential Protection (12), produce electromagnetic induction effect, be equivalent to the synchronous generator of a rotary pole.When electromotor is properly functioning, rotor demagnetization Exciting Windings for Transverse Differential Protection (11) of permanent magnetism magnetic pole (4) does not input exciting current, permanent-magnet magnetic kinetic potential that excitation magnetic kinetic potential is produced by permanent magnet (5) and the electrical excitation magnetomotive force that the rotor operation Exciting Windings for Transverse Differential Protection (12) of ferromagnetic magnetic pole (6) produces are set up jointly, by regulating the exciting current of the rotor operation Exciting Windings for Transverse Differential Protection (12) of ferromagnetic magnetic pole (6), realize the normal excitation of excitation system, automatic field forcing, and subtract functions such as encouraging by force；When internal fault of electric generator, the exciting current making the rotor operation Exciting Windings for Transverse Differential Protection (12) of ferromagnetic magnetic pole (6) is 0, rotor demagnetization Exciting Windings for Transverse Differential Protection (11) the input exciting current of permanent magnetism magnetic pole (4), make its air-gap magnetic field direction produced contrary with the air-gap magnetic field direction that permanent magnet (5) produces, thus realize the demagnetization function of excitation system.
Compared with prior art, hybrid excitation permanent magnet motor of the present utility model has following features.
1, this hybrid excitation permanent magnet motor has two set Exciting Windings for Transverse Differential Protection, there is normal excitation, Qiang Li, subtract and encourage and the functions such as demagnetization, solve the deexcitation Problems of hybrid excitation permanent magnet motor.
2, this hybrid excitation permanent magnet motor structure is similar to common permagnetic synchronous motor, there is not axial magnetic circuit and additional air gap, has higher power density and operational efficiency.
Accompanying drawing explanation
Fig. 1 is this utility model structural representation, is also the Section A-A figure of Fig. 2.Wherein 1 is casing, and 2 is stator core, and 3 is stator armature winding, and 4 is permanent magnetism magnetic pole, and 5 is permanent magnet, and 6 is ferromagnetic magnetic pole, and 7 is rotating shaft, and 8 is rotor core, and 9 is rotor windings, and 13 is bearing.
Fig. 2 is the sectional view of motor shown in this utility model Fig. 1, with 8 extremely examples.Wherein 2 is stator core, 3 is stator armature winding, 4 is permanent magnetism magnetic pole, 5 is permanent magnet, and 6 is ferromagnetic magnetic pole, and 7 is rotating shaft, 8 is rotor core, 10 for arranging the groove of winding on stator core, 11 is the rotor demagnetization Exciting Windings for Transverse Differential Protection arranged on permanent magnetism magnetic pole 4, and 12 is the rotor operation Exciting Windings for Transverse Differential Protection arranged on ferromagnetic magnetic pole 6.
Fig. 3 is circuit theory diagrams of the present utility model.
Fig. 4 is the air gap magnetic density waveform that this utility model permanent magnet produces.
Fig. 5 is this utility model permanent magnet and runs the air gap magnetic density waveform that Exciting Windings for Transverse Differential Protection produces jointly.
The air gap magnetic density waveform that Fig. 6 is this utility model permanent magnet and demagnetization Exciting Windings for Transverse Differential Protection produces jointly.
Detailed description of the invention
With specific embodiment, this utility model is described in further detail below in conjunction with the accompanying drawings.
From Fig. 1-3, the hybrid excitation permanent magnet motor with double Exciting Windings for Transverse Differential Protection of the present utility model, including casing 1, in casing 1, it is configured with stator core 2, stator core 2 along the circumferential direction slots 10, in groove 10, be disposed with stator armature winding 3.Casing 1 maintains static with stator core 2.Being configured with rotating shaft 7 in casing 1, rotating shaft 7 is connected with casing 1 by bearing 13.Configuring rotor core 8 in rotating shaft 7, rotor core 8 has permanent magnetism magnetic pole 4 and ferromagnetic magnetic pole 6, rotor windings 9 is by rotor demagnetization Exciting Windings for Transverse Differential Protection 11 and rotor operation Exciting Windings for Transverse Differential Protection 12.Permanent magnet 5 and rotor demagnetization Exciting Windings for Transverse Differential Protection 11 it is disposed with on permanent magnetism magnetic pole 4, being disposed with rotor operation Exciting Windings for Transverse Differential Protection 12 on ferromagnetic magnetic pole 6, rotor demagnetization Exciting Windings for Transverse Differential Protection 11 is connected with two exciter control systems with brush by two groups of slip rings respectively with rotor operation Exciting Windings for Transverse Differential Protection 12.Permanent magnet 5, rotor core 8 and rotor windings 9 can together with rotate in stator core 2 with rotating shaft 7.
Operation principle of the present utility model is: when electromotor no-load running, rotating shaft 7 rotates with synchronous speed, exciter control system 1 works, exciter control system 2 does not works, rotor operation Exciting Windings for Transverse Differential Protection 12 inputs exciting current, rotor demagnetization Exciting Windings for Transverse Differential Protection 11 does not input exciting current, the excitation magnetic kinetic potential that non-load air gap field is produced by permanent magnet 5 and rotor operation Exciting Windings for Transverse Differential Protection 12 is set up jointly, by the size of exciting current in regulation rotor operation Exciting Windings for Transverse Differential Protection 12, the air-gap field size of ferromagnetic magnetic pole 6 can be regulated, as shown in Figure 4 and Figure 5, air-gap field senses the electromotive force of synchronizing frequency in stator armature winding 3, this electromotive force keeps constant in rotating speed one timing.When generator loading runs, the magnetomotive force that permanent magnet 5, rotor operation Exciting Windings for Transverse Differential Protection 12 and stator armature winding 3 produce sets up air-gap field jointly, exciter control system 1 is by controlling the exciting current size of rotor operation Exciting Windings for Transverse Differential Protection 12, electromotor band unequally loaded requirement can be met, possess normal excitation, automatic field forcing, and subtract excitation functions such as encouraging by force.When internal fault of electric generator, exciter control system 1 does not works, exciter control system 2 works, rotor operation Exciting Windings for Transverse Differential Protection 12 does not input exciting current, rotor demagnetization Exciting Windings for Transverse Differential Protection 11 inputs exciting current, make its air-gap magnetic field direction produced contrary with the air-gap magnetic field direction that permanent magnet 5 produces, as shown in Figure 6, as long as inputting sufficiently large exciting current in rotor demagnetization Exciting Windings for Transverse Differential Protection 11, its air-gap field produced just can be completely counterbalanced by the air-gap field that permanent magnet produces, thus reaches the purpose of demagnetization.
When this utility model is used as electromotor, stator armature winding 3 is connected with load, and during as motor, stator armature winding 3 is connected with driving power supply.
Claims (6)
1. there is the hybrid excitation permanent magnet motor of double Exciting Windings for Transverse Differential Protection, including a casing (1), it is characterized in that: casing (1) is built with the stator being made up of stator core (2), stator armature winding (3) with by permanent magnetism magnetic pole (4), permanent magnet (5), the rotor that ferromagnetic magnetic pole (6), rotating shaft (7), rotor core (8), rotor windings (9) form；Stator armature winding (3) is distributed on stator core (2) in the groove (10) along the circumferential direction offered, permanent magnetism magnetic pole (4) and ferromagnetic magnetic pole (6) it is disposed with on rotor core (8), each permanent magnetism magnetic pole (4) arranges permanent magnet (5), permanent magnet (5) is symmetrical about permanent magnetism magnetic pole (4) centrage, rotor windings (9) is made up of rotor demagnetization Exciting Windings for Transverse Differential Protection (11) and rotor operation Exciting Windings for Transverse Differential Protection (12), rotor demagnetization Exciting Windings for Transverse Differential Protection (11) is enclosed within permanent magnetism magnetic pole (4) pole body, rotor operation Exciting Windings for Transverse Differential Protection (12) is enclosed within ferromagnetic magnetic pole (6) pole body, rotor demagnetization Exciting Windings for Transverse Differential Protection (11) is connected with two exciter control systems respectively with rotor operation Exciting Windings for Transverse Differential Protection (12).
Motor the most according to claim 1, it is characterised in that described stator armature winding (3) is heterogeneous symmetric winding or single-phase winding.
Motor the most according to claim 1, it is characterised in that described permanent magnetism magnetic pole (4) determines according to voltage regulation limits with the quantity of ferromagnetic magnetic pole (6).
Motor the most according to claim 1, it is characterised in that described permanent magnet (5) uses built-in layout or surface-mount type to arrange.
Motor the most according to claim 1, it is characterised in that described motor is inner rotor motor or external rotor electric machine.
Motor the most according to claim 1, it is characterised in that described motor is rotary magnetic pole type motor or revolving-armature type machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620434163.5U CN205753907U (en) | 2016-05-16 | 2016-05-16 | There is the hybrid excitation permanent magnet motor of double Exciting Windings for Transverse Differential Protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620434163.5U CN205753907U (en) | 2016-05-16 | 2016-05-16 | There is the hybrid excitation permanent magnet motor of double Exciting Windings for Transverse Differential Protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205753907U true CN205753907U (en) | 2016-11-30 |
Family
ID=57365593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620434163.5U Withdrawn - After Issue CN205753907U (en) | 2016-05-16 | 2016-05-16 | There is the hybrid excitation permanent magnet motor of double Exciting Windings for Transverse Differential Protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205753907U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106026591A (en) * | 2016-05-16 | 2016-10-12 | 南昌大学 | Hybrid excitation permanent magnet motor with double excitation windings |
-
2016
- 2016-05-16 CN CN201620434163.5U patent/CN205753907U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106026591A (en) * | 2016-05-16 | 2016-10-12 | 南昌大学 | Hybrid excitation permanent magnet motor with double excitation windings |
| CN106026591B (en) * | 2016-05-16 | 2018-07-17 | 南昌大学 | Hybrid excitation permanent magnet motor with double Exciting Windings for Transverse Differential Protection |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103208893B (en) | Induced excitation formula composite excitation brushless synchronous motor | |
| CN103051133B (en) | Parallel-magnetic-cihybrid-excitation hybrid-excitation permanent magnet motor | |
| CN106787310B (en) | A kind of magnetic-field-enhanced Consequent pole permanent magnet motor | |
| CN108964396B (en) | Stator partition type alternate pole hybrid excitation motor | |
| CN101123386B (en) | Tangential-set magnet permanent synchronization motor | |
| CN106655560B (en) | Stator permanent magnet motor | |
| CN103560637A (en) | Mixed excitation synchronous generator high in power density | |
| CN100361373C (en) | Double salient pole mixed excitation motor | |
| CN102843008A (en) | Parallel type mixed excitation alternating-current generator | |
| CN201860217U (en) | Parallel-structured brushless composite-excitation synchronous motor without additional air gap | |
| CN102377300A (en) | Double-stator single-rotor rare earth permanent magnet motor | |
| CN103051134B (en) | Serial-magnetic-circhybrid-excitation hybrid-excitation permanent magnet motor | |
| CN106451855A (en) | Consequent-pole permanent magnet motor | |
| CN102005875A (en) | Brushless parallel-structure hybrid excitation synchronous generator without additional air gap | |
| CN106451854B (en) | A kind of interdigital Consequent pole permanent magnet motor | |
| CN202889138U (en) | Parallel type composite excitation brushless direct-current motor | |
| CN100468923C (en) | A.C./D.C permanent-magnet synchronous generator | |
| CN106026591A (en) | Hybrid excitation permanent magnet motor with double excitation windings | |
| CN205753907U (en) | There is the hybrid excitation permanent magnet motor of double Exciting Windings for Transverse Differential Protection | |
| CN201860232U (en) | Hybrid excitation synchronous generator in parallel structure without electric excitation rotor | |
| CN103078458A (en) | Stator-free brushless dual-rotor outer ring permanent magnet synchronous motor with rotating controller | |
| CN202798389U (en) | Side-by-side mixing excitation alternating current generator | |
| CN104505961A (en) | Motor generator with external rotor | |
| CN201414057Y (en) | Biconvex pole mixture excitation generator | |
| CN109462319B (en) | Brushless hybrid magnetic pole type synchronous generator and method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161130 Effective date of abandoning: 20180717 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20161130 Effective date of abandoning: 20180717 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |