CN110061603A - A kind of rotor magnetic circuit decoupling type mixed at high speed excitation magnetic synchronization motor - Google Patents

A kind of rotor magnetic circuit decoupling type mixed at high speed excitation magnetic synchronization motor Download PDF

Info

Publication number
CN110061603A
CN110061603A CN201910072628.5A CN201910072628A CN110061603A CN 110061603 A CN110061603 A CN 110061603A CN 201910072628 A CN201910072628 A CN 201910072628A CN 110061603 A CN110061603 A CN 110061603A
Authority
CN
China
Prior art keywords
rotor
pole
electrical excitation
excitation
magnetic
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.)
Granted
Application number
CN201910072628.5A
Other languages
Chinese (zh)
Other versions
CN110061603B (en
Inventor
张卓然
刘业
王晨
高华敏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanjing University of Aeronautics and Astronautics
Original Assignee
Nanjing University of Aeronautics and Astronautics
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nanjing University of Aeronautics and Astronautics filed Critical Nanjing University of Aeronautics and Astronautics
Priority to CN201910072628.5A priority Critical patent/CN110061603B/en
Publication of CN110061603A publication Critical patent/CN110061603A/en
Application granted granted Critical
Publication of CN110061603B publication Critical patent/CN110061603B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K21/00Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
    • H02K21/02Details
    • H02K21/021Means for mechanical adjustment of the excitation flux
    • H02K21/022Means for mechanical adjustment of the excitation flux by modifying the relative position between field and armature, e.g. between rotor and stator
    • H02K21/025Means for mechanical adjustment of the excitation flux by modifying the relative position between field and armature, e.g. between rotor and stator by varying the thickness of the air gap between field and armature
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K21/00Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
    • H02K21/12Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
    • H02K21/14Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Permanent Field Magnets Of Synchronous Machinery (AREA)
  • Permanent Magnet Type Synchronous Machine (AREA)

Abstract

The invention discloses a kind of rotor magnetic circuit decoupling type mixed at high speed excitation magnetic synchronization motors, including casing, stator, p-m rotor, electrical excitation rotor, excitation winding, the magnetic conduction bridge being fixed on end cap and shaft.Wherein, p-m rotor is made of magnet steel, rotor core and high-intensitive sheath, and using surface-mount type structure, high-intensitive sheath can effectively promote permanent magnet rotor structure intensity;Electrical excitation rotor is made of the pole rotor N and the pole S iron core and high-intensitive bracket, and high-intensitive bracket can effectively promote electrical excitation rotor structure intensity.The two sections of main gas lengths formed between p-m rotor side and electrical excitation rotor-side and stator core are different, are conducive to realize low permanent magnet eddy-current loss, high electrical excitation efficiency simultaneously.Hybrid exciting synchronous motor rotor permanent magnet magnetic circuit and electrical excitation magnetic circuit of the invention decouples, air-gap field adjustable range is wide, and rotor magnetic steel eddy-current loss is low, and electrical excitation is high-efficient, permanent magnetism and electrical excitation combined rotor structure intensity are high, suitable for the high speed situation for needing adjustable magnetic to run.

Description

A kind of rotor magnetic circuit decoupling type mixed at high speed excitation magnetic synchronization motor
Technical field
The present invention relates to a kind of synchronous motor field, in particular to rotor magnetic circuit decoupling type mixed at high speed excitation synchronizes electricity Machine.
Background technique
Mixed excitation electric machine excitation source is provided jointly by permanent magnet and excitation winding, and permanent magnet excitation can effectively improve electricity Torque/power density, the operational efficiency of machine, electrical excitation can effectively adjust motor gas-gap magnetic flux, so that mixed excitation electric machine is same When there is high torque (HT)/power density, high efficiency and wide scope service ability, it is independent in wind-power electricity generation, aircraft and vehicle power supply etc. The fields such as power field and driving have broad application prospects.Mixed excitation electric machine is according to permanent magnetic potential and electrical excitation magnetic potential Interaction relationship is segmented into magnetic potential tandem, parallel, three kinds of structures of block form.
Series connected type composite excitation motor permanent magnetic potential and electrical excitation magnetic potential are in series relationship, and electrical excitation energized circuit is by forever Magnet, magnetic resistance is big, and excitation efficiency is low, while when weak magnetic, and permanent magnet has demagnetization risk.Parallel type mixing excitation motor permanent-magnet magnetic Gesture and electrical excitation magnetic potential are in parallel relationship, and structure is complicated, and leakage field is serious, and armature reaction is serious, and overload capacity is poor.No matter It is series-mode frame or parallel structure, permanent magnetic circuit couples on rotor with electrical excitation magnetic circuit, and operation logic is complicated, design Difficulty is big.Side-by-side configuration is directly formed side by side by two kinds of motors, and electric machine structure is simple, and operational reliability is higher, but weak magnetic In operational process, electrical excitation partial stator magnetic flux increases with the increase of weak magnetic depth, and stator iron loss increases therewith;It is simultaneously Reduce the leakage field between block form mixed excitation electric machine rotor, it usually needs biggish axial air-gap is set between rotor, Torque/power density is caused seriously to reduce;Biggish axial air-gap causes to form two in shaft between two rotor cores Mass center, in high-speed rotation, easily generation axial runout causes rotor to sweep thorax.Patent CN102005876A is same using permanent magnetism It walks motor and electric excitation synchronous motor parallel construction must between two electric machine rotor iron cores due to the presence of excitation winding end Enough axial lengths must be retained, cause torque/power density of motor lower, and to there is brush configuration, motor speed is by tight It limits again, is not suitable for high speed situation;Patent CN105048740B uses permanent magnet synchronous motor and variable reluctance motor parallel construction, Since variable reluctance motor is there are stator excitation winding, enough axial lengths must be retained between two electric machine stator irons, led Torque/the power density for sending a telegraph machine is lower, and sine degree of back electromotive force is poor with respect to conventional synchronization motor;Patent CN100369359C Arranged side by side with hybrid exciting synchronous motor using permanent magnet synchronous motor, armature winding is connected, and must be retained between two sets of electric machine iron cores Enough axial distances, on the one hand in order to place winding overhang length, on the other hand in order to reduce leakage field between rotor.
Though above-mentioned block form mixed excitation electric machine structure realizes permanent magnetism and the decoupling of electrical excitation magnetic circuit is run, band Having carried out torque/power density reduces, is not suitable for high-speed cruising, while weak magnetic will increase stator core loss etc. in the process and ask Topic, the present invention proposes a kind of new rotor magnetic circuit decoupling type hybrid exciting synchronous motor structure type, to overcome existing deficiency, this Thus case generates.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the present invention provides a kind of new rotor magnetic circuit decoupling Type hybrid exciting synchronous motor structure type, to overcome existing series/parallel formula mixed excitation electric machine, structure is complicated, electrical excitation with P-m rotor flux coupled is serious and the existing invalid axial length of block form mixed excitation electric machine is big, main screw lift is big, uncomfortable The problem of for will increase stator core loss during high-speed cruising, weak magnetic.
Technical solution: to achieve the above object, the technical solution adopted by the present invention are as follows:
A kind of rotor magnetic circuit decoupling type mixed at high speed excitation magnetic synchronization motor, the motor includes casing, in casing Stator, p-m rotor, electrical excitation rotor, excitation winding, annular magnetic conduction bridge and the shaft being fixed on end cap;Wherein, with described Shaft is axle center, and the p-m rotor and electrical excitation rotor are suited on the shaft;The p-m rotor is located at the motor Middle part, using p-m rotor as axis, two sides are symmetrically arranged with electrical excitation rotor, the pole the S iron core and the pole N iron of the electrical excitation rotor It feels at ease loaded on the electrical excitation rotor field spider;Using p-m rotor as axis, the excitation winding is installed on the outside of electrical excitation rotor, And annular magnetic conduction bridge is installed in excitation winding.
Further, the p-m rotor is surface-mount type structure, including radial magnetizing, parallel magnetization and Halbach gust Column mode is installed and fixed, p-m rotor is forever using the two kinds of size permanent magnets staggeredly mutually replaced between piecemeal permanent magnetism convenient for magnet steel Using winding carbon fiber to form high-intensitive sheath on the outside of magnet.
Further, the p-m rotor permanent magnet uses diameter/axial direction partition, carries out monolith after piecemeal bonding and fills Magnetic.
Further, the electrical excitation rotor is by the pole rotor N and the pole S iron core and the electrical excitation rotor field spider group of high intensity At electrical excitation rotor N pole iron core and electrical excitation rotor S pole iron core pass through the fixation of highly stressed rotor bracket detent and form whole knot Structure;Wherein, note rotor number of pole-pairs is pr, the electrical excitation rotor of the motor includes 2prBlock rotor core pole, in rotor core extremely There is prBlock N pole rotor core and prBlock S pole rotor core;prBlock N pole rotor core is adjacent with electrical excitation rotor field spider, all The pole N iron core to extension on the outside of motor and is gathered to form a circular ring shape pole shoe, opposite, p along axial directionrBlock S pole rotor core with The electrical excitation rotor field spider other side is adjacent, and all pole S iron cores extend to motor center inner circumferential and gather to form a circle Annular pole shoe, then thus circular ring shape pole shoe constitutes the pole electrical excitation rotor S iron core along axial direction to extension on the outside of motor;Electrical excitation Rotor core pole forms non-homogeneous air gap using partial method on the outside of rotor magnetic pole;
The circular ring shape pole shoe of the pole N iron core pole spans equal in the axial direction are equipped with several grooves, the annulus of the pole S iron core Shape pole shoe is angularly equipped at intervals with the protrusion of corresponding number on annulus, and electrical excitation rotor N pole iron core and the pole S iron core pass through bracket Detent fixation forms overall structure electrical excitation rotor;The structure of the pole N iron core and the pole S iron core is interchangeable.
Further, seamless splicing between the p-m rotor and electrical excitation rotor, the p-m rotor outer diameter are small In electrical excitation rotor diameter, so that the gas length formed between stator core and p-m rotor is greater than stator core and electrical excitation The gas length formed between rotor.
As a preference, the stator core material uses common lamination structure or the soft magnetism with axial magnetic conduction ability Composite material.
As a preference, the annular magnetic conduction bridge is fixed on end cap, excitation winding is installed in annular magnetic conduction bridge, Annular cooling water road is set in annular magnetic conduction bridge or end cap.
The utility model has the advantages that
Not only there is rotor magnetic circuit decoupling type mixed at high speed excitation magnetic synchronization motor provided by the invention air-gap field to adjust model Wide feature is enclosed, p-m rotor and electrical excitation rotor are seamless spliced, are significantly reduced motor axial length and weight, are suitable for height Speed operation, has broad application prospects in the fields such as the Independent Power Generations such as wind-power electricity generation, aircraft and vehicle power supply field and driving. Specifically, tool has the following advantages:
(1) p-m rotor and electrical excitation rotor are seamless spliced, are significantly reduced motor axial length and weight, promote motor Torque/power density, while avoiding in same root shaft two mass centers of appearance, be suitble to high-speed cruising;
(2) permanent magnet is identical as electrical excitation partial stator structure, and stator core structure is simple, and integrated level is high, and weak magnetic In operational process, decreased as weak magnetic depth increases stator core loss;
(3) p-m rotor side is different from the main gas length of electrical excitation rotor-side, reduces rotor permanent magnet eddy-current loss, mentions High electrical excitation efficiency;
(4) Halbach permanent-magnet structure can be improved air gap flux density sine degree, while permanent magnet uses diameter/axial direction piecemeal skill Art, piecemeal carry out monolith after being bonded and magnetize, and the front attachment that magnetizes reduces technology difficulty, and partitioned organization effectively reduces permanent magnet whirlpool Stream loss;
(5) p-m rotor ensure that rotor strength by high-intensitive sheath, the pole electrical excitation rotor N (or the pole S) iron core and turn The sub- pole S (or the pole N) iron core forms overall structure by the fixation of highly stressed rotor bracket detent, improves electrical excitation rotor strength;
(6) rotor permanent magnet magnetic circuit and electrical excitation magnetic circuit realize decoupling, and operation logic is simple.
Detailed description of the invention
Fig. 1 is a kind of rotor magnetic circuit decoupling type mixed at high speed excitation magnetic synchronization motor combination section of the invention;
Fig. 2 is a kind of rotor magnetic circuit decoupling type mixed at high speed excitation magnetic synchronization motor schematic illustration of the invention;
Fig. 3 is the embodiment of the present invention electrical excitation rotor N pole (or the pole S) core construction figure;
Fig. 4 is the embodiment of the present invention electrical excitation rotor S pole (or the pole N) core construction figure;
Fig. 5 is the embodiment of the present invention electrical excitation pole form schematic diagram;
Fig. 6 is the embodiment of the present invention electrical excitation rotor field spider structure chart;
Fig. 7 is the embodiment of the present invention electrical excitation rotor assembly structure figure;
Fig. 8 is the embodiment of the present invention annular magnetic conduction bridge structure chart;
Fig. 9 is the embodiment of the present invention annular magnetic conduction bridge cross-sectional view;
Figure 10 is the embodiment of the present invention Halbach array permanent magnet rotor structure figure;
Figure 11 is a kind of rotor magnetic circuit decoupling type mixed at high speed excitation magnetic synchronization motor equivalent magnetic circuit of the invention;
Figure 12 is a kind of rotor magnetic circuit decoupling type mixed at high speed excitation magnetic synchronization motor weak magnetic state lower rotor part magnetic of the invention Road distribution schematic diagram;
Figure 13 is a kind of zero excited state lower rotor part of rotor magnetic circuit decoupling type mixed at high speed excitation magnetic synchronization motor of the invention Magnetic circuit distribution schematic diagram;
Figure 14 is that a kind of rotor magnetic circuit decoupling type mixed at high speed excitation magnetic synchronization motor of the invention increases magnetic state lower rotor part magnetic Road distribution schematic diagram;
Figure 15 is the curve that the embodiment of the present invention zero load back-emf changes with exciting current;
Figure 16 is that the curve changed with exciting current is lost in the embodiment of the present invention zero load stator core.
Component symbol illustrates in figure:
1 --- --- --- annular magnetic conduction bridge, 4 --- excitation winding, 5 --- electrical excitation of stator core, 3 of armature winding, 2 Rotor field spider, 6 --- pole electrical excitation rotor N (or the pole S) iron core, the 7-pole electrical excitation rotor S (or the pole N) iron cores, 8 --- permanent magnetism --- --- lightening hole, 8-3 --- positioning convex platform, 8-4-permanent magnet 1,8-5 --- are forever for p-m rotor iron core, 8-2 for rotor, 8-1 --- --- electrical excitation rotor, 10-1 --- the left side electrical excitation rotor, 10-2 --- right side of p-m rotor sheath, 10 of magnet 2,9 --- excitation structure, 11-1 --- left side excitation structure, 11-2 --- the right side excitation structure of electrical excitation rotor, 11.
Specific embodiment
The present invention will be further explained with reference to the accompanying drawing.
As shown in Figure 1 and Figure 2, the present invention provides a kind of rotor magnetic circuit decoupling type mixed at high speed excitation magnetic synchronization motor, including machine Shell and stator winding 1, stator core 2, p-m rotor 8, electrical excitation rotor 10, excitation structure 11 and shaft in casing; Stator winding 1 is in 2 slot of stator core;Stator core 2 is fixed on casing, and traditional punching knot can be used in stator core material Structure is more advantageous under weak magnetic state using soft-magnetic composite material and further decreases core loss;P-m rotor 8 and electrical excitation rotor 10-1, electrical excitation rotor 10-2 seamless assembled are in shaft.
Physics quantity symbol involved in attached drawing is defined below:
FpmPermanent magnet magnetic kinetic potential;FiElectrical excitation magnetomotive force;RpmPermanent magnet magnetic resistance;RSStator core magnetic resistance;RδN1Forever The magnetic side pole N air-gap reluctance;RδS1The permanent magnetism side pole S air-gap reluctance, RδN2The electrical excitation side pole N air-gap reluctance;RδS2Electrical excitation side S Pole air-gap reluctance;Rfδ1、Rfδ1Electrical excitation side additional air gap magnetic resistance;RERElectrical excitation rotor core magnetic resistance.
Note rotor number of pole-pairs is pr, electrical excitation rotor includes 2prThere is p in block rotor core pole in rotor core extremelyrThe pole block N turns Sub- iron core and prBlock S pole rotor core.Specifically, prBlock N pole rotor core is adjacent with rotor field spider 5, all pole N rotor iron The heart to extension on the outside of motor and is gathered to form a circular ring shape pole shoe along axial direction, thus constitutes the pole electrical excitation rotor N iron core, structure As shown in Figure 3.Opposite, p simultaneouslyrBlock S pole rotor core is adjacent with 5 other side of rotor field spider, all pole S rotor cores point It is not radially extended to motor center and gathers to form a circular ring shape pole shoe, then circular ring shape pole shoe prolongs along axial direction to motor outside It stretches, thus constitutes the pole electrical excitation rotor S iron core.Electrical excitation rotor core pole is formed non-equal using partial method on the outside of rotor magnetic pole Even air gap, as shown in figure 5, l is eccentricity, Rair-gapFor corresponding rotor internal diameter at minimum main air gap, RpoleFor magnetic pole outer profile Internal diameter, wherein
L=Rair-gap-Rpole
For l as variable, air gap flux density harmonic content is objective function, carries out parametrization scanning design.
As shown in fig. 6, electrical excitation highly stressed rotor bracket 5 is made of high-strength stainless steel, by the pole electrical excitation rotor N iron The heart and the pole S iron core pass through the fixation of bracket detent and form overall structure electrical excitation rotor 10, as shown in Figure 7.
The excitation winding 4 is embedded in composition excitation structure 11, excitation structure 11 in annular magnetic conduction bridge 3 and is fixed on by screw Front and rear cover is cooperated between end cap and shaft by rolling bearing 18.As shown in Fig. 2, excitation structure 11 during the installation process with Lesser additional air gap is arranged in electrical excitation rotor, constitutes fixed excitation structure, realizes simple and reliable brushless direct-current excitation.
As shown in Figure 8, Figure 9, water annulus is set in the annular magnetic conduction bridge, it is unsaturated that water channel section is located at flux density Annular outermost.
As shown in Figure 10, the p-m rotor 8 includes two kinds of size permanent magnet 8-4,8-5 and p-m rotor iron core 8-1, forever Lightening hole 8-2 is arranged in magnet rotor iron core 8-1 below every pole center line permanent magnet, setting positioning on the outside of p-m rotor iron core 8-1 Boss 8-3 is different from two kinds, and size permanent magnet 8-4,8-5 is corresponding.In permanent magnet 8-4,8-5 production process, using axial point Section technique for sticking, bonding magnetize after the completion, and magnetizing direction is as shown in Figure 8, Figure 9.In installation process, first by permanent magnet 8-5 It is inserted into indent on the outside of rotor core, forms recess between every two pieces of permanent magnet 8-5, is inserted into permanent magnet 8-4, permanent magnetism is formed and turns Son, then winding carbon fiber forms sheath or installation high strength steel (titanium alloy) sheath on the outside of magnet steel again.
It is seamless to be installed in shaft after electrical excitation rotor 10-1,10-2 and p-m rotor 8 are installed, it is formed high-intensitive Combined rotor structure.
P-m rotor magnetic circuit (PM) and electrical excitation rotor magnetic circuit (EM) it can be seen from Figure 11, Figure 12, Figure 13 and Figure 14 Realize full decoupled, permanent magnetism side and electrical excitation side stationary part flux coupled, p-m rotor leakage field is lower under zero excited state.
As seen from Figure 15, rotor magnetic circuit decoupling type mixed at high speed excitation magnetic synchronization motor of the present invention still has air-gap field The wide feature of adjustable range, and can reduce rotor axial length and weight simultaneously;As seen from Figure 16, rotor magnetic of the present invention During the decoupling type mixed at high speed excitation magnetic synchronization motor weak magnetic field operation of road, dropped therewith as weak magnetic depth increases stator core loss It is low.
The above is only a preferred embodiment of the present invention, it should be pointed out that: for the ordinary skill people of the art For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered It is considered as protection scope of the present invention.

Claims (7)

1. a kind of rotor magnetic circuit decoupling type mixed at high speed excitation magnetic synchronization motor, it is characterised in that: the motor includes casing, is set to Stator, p-m rotor, electrical excitation rotor, excitation winding in casing, annular magnetic conduction bridge and the shaft being fixed on end cap;Its In, using the shaft as axle center, the p-m rotor and electrical excitation rotor are suited on the shaft;The p-m rotor is located at The middle part of the motor, using p-m rotor as axis, two sides are symmetrically arranged with electrical excitation rotor, the pole the S iron of the electrical excitation rotor The heart and the pole N iron core are installed on the electrical excitation rotor field spider;Using p-m rotor as axis, the excitation winding is installed on electrical excitation On the outside of rotor, and annular magnetic conduction bridge is installed in excitation winding.
2. a kind of rotor magnetic circuit decoupling type mixed at high speed excitation magnetic synchronization motor according to claim 1, it is characterised in that: institute P-m rotor is stated as surface-mount type structure, including radial magnetizing, parallel magnetization and Halbach array mode, between piecemeal permanent magnetism It using the two kinds of size permanent magnets staggeredly mutually replaced, is installed convenient for magnet steel and fixed, using winding carbon on the outside of p-m rotor permanent magnet Fiber is to form high-intensitive sheath.
3. a kind of rotor magnetic circuit decoupling type mixed at high speed excitation magnetic synchronization motor according to claim 1, it is characterised in that: institute P-m rotor permanent magnet is stated using diameter/axial direction partition, piecemeal carries out monolith after being bonded and magnetizes.
4. a kind of rotor magnetic circuit decoupling type mixed at high speed excitation magnetic synchronization motor according to claim 2 or 3, feature exist In: the electrical excitation rotor is made of the electrical excitation rotor field spider of the pole rotor N and the pole S iron core and high intensity, electrical excitation rotor N Pole iron core and electrical excitation rotor S pole iron core pass through the fixation of highly stressed rotor bracket detent and form overall structure;Wherein, remember rotor pole Logarithm is pr, the electrical excitation rotor of the motor includes 2prThere is p in block rotor core pole in rotor core extremelyrBlock N pole rotor core And prBlock S pole rotor core;prBlock N pole rotor core is adjacent with electrical excitation rotor field spider, and all pole N iron cores are along axial direction to electricity Extend on the outside of machine and gathers to form a circular ring shape pole shoe, opposite, prBlock S pole rotor core and electrical excitation rotor field spider are another Side is adjacent, and all pole S iron cores extend to motor center inner circumferential and gather to form a circular ring shape pole shoe, then circular ring shape Pole shoe, to extension on the outside of motor, thus constitutes the pole electrical excitation rotor S iron core along axial direction;Electrical excitation rotor core pole uses rotor magnetic Partial method forms non-homogeneous air gap on the outside of pole;
The circular ring shape pole shoe of the pole N iron core pole spans equal in the axial direction are equipped with several grooves, the circular ring shape pole of the pole S iron core Boots are angularly equipped at intervals with the protrusion of corresponding number on annulus, and the pole N iron core is formed with the pole S iron core by the fixation of bracket detent whole Body structure electrical excitation rotor;The structure of the pole N iron core and the pole S iron core is interchangeable.
5. a kind of rotor magnetic circuit decoupling type mixed at high speed excitation magnetic synchronization motor according to claim 4, it is characterised in that: institute Seamless splicing between p-m rotor and electrical excitation rotor is stated, the p-m rotor outer diameter is less than electrical excitation rotor diameter, so that It is long that the gas length formed between stator core and p-m rotor is greater than the air gap formed between stator core and electrical excitation rotor Degree.
6. a kind of rotor magnetic circuit decoupling type mixed at high speed excitation magnetic synchronization motor according to claim 5, it is characterised in that: institute Stator core material is stated using common lamination structure or the soft-magnetic composite material with axial magnetic conduction ability.
7. a kind of rotor magnetic circuit decoupling type mixed at high speed excitation magnetic synchronization motor according to claim 5, it is characterised in that: institute It states annular magnetic conduction bridge to be fixed on end cap, excitation winding is installed in annular magnetic conduction bridge, is arranged in annular magnetic conduction bridge or end cap Annular cooling water road.
CN201910072628.5A 2019-01-25 2019-01-25 Rotor magnetic circuit decoupling type high-speed hybrid excitation synchronous motor Active CN110061603B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910072628.5A CN110061603B (en) 2019-01-25 2019-01-25 Rotor magnetic circuit decoupling type high-speed hybrid excitation synchronous motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910072628.5A CN110061603B (en) 2019-01-25 2019-01-25 Rotor magnetic circuit decoupling type high-speed hybrid excitation synchronous motor

Publications (2)

Publication Number Publication Date
CN110061603A true CN110061603A (en) 2019-07-26
CN110061603B CN110061603B (en) 2021-04-02

Family

ID=67316439

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910072628.5A Active CN110061603B (en) 2019-01-25 2019-01-25 Rotor magnetic circuit decoupling type high-speed hybrid excitation synchronous motor

Country Status (1)

Country Link
CN (1) CN110061603B (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112398269A (en) * 2020-11-30 2021-02-23 华中科技大学 Stator hybrid excitation flywheel energy storage motor
CN112671193A (en) * 2020-11-25 2021-04-16 武汉船用电力推进装置研究所(中国船舶重工集团公司第七一二研究所) Mixed excitation type motor
CN114142701A (en) * 2021-11-28 2022-03-04 卧龙电气南阳防爆集团股份有限公司 Back-to-back multi-excitation hybrid generator based on same-direction electromagnetic pole coupling
CN114389422A (en) * 2022-01-14 2022-04-22 浙江吉利控股集团有限公司 Salient pole type hybrid excitation motor
CN114678981A (en) * 2022-04-01 2022-06-28 中船重工电机科技股份有限公司 Hybrid excitation method of permanent magnet synchronous generator
CN116191801A (en) * 2023-01-18 2023-05-30 南京航空航天大学 Bearingless hybrid excitation synchronous motor and suspension control method thereof
CN118040933A (en) * 2024-01-10 2024-05-14 山东理工大学 Novel ultra-high-speed permanent magnet auxiliary synchronous reluctance generator and direct current power generation system

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1710787A (en) * 2005-06-07 2005-12-21 南京航空航天大学 Tangential magnet-steel hybrid exciting synchronous motor
CN101227130A (en) * 2007-11-19 2008-07-23 哈尔滨工业大学 Rotor magnetic field direct controlling mixed excitation synchronous machine
CN202103556U (en) * 2011-06-08 2012-01-04 南通大学 Magnetic circuit mixing excitation motor based on double salient pole structure
CN104659994A (en) * 2015-02-09 2015-05-27 苏州力久新能源科技有限公司 Claw-type hybrid excitation motor
JP2017169280A (en) * 2016-03-14 2017-09-21 スズキ株式会社 Rotary electric machine
CN108471213A (en) * 2018-04-04 2018-08-31 南京航空航天大学 Composite excitation axial magnetic circuit both-end excitation electromotor

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1710787A (en) * 2005-06-07 2005-12-21 南京航空航天大学 Tangential magnet-steel hybrid exciting synchronous motor
CN101227130A (en) * 2007-11-19 2008-07-23 哈尔滨工业大学 Rotor magnetic field direct controlling mixed excitation synchronous machine
CN202103556U (en) * 2011-06-08 2012-01-04 南通大学 Magnetic circuit mixing excitation motor based on double salient pole structure
CN104659994A (en) * 2015-02-09 2015-05-27 苏州力久新能源科技有限公司 Claw-type hybrid excitation motor
JP2017169280A (en) * 2016-03-14 2017-09-21 スズキ株式会社 Rotary electric machine
CN108471213A (en) * 2018-04-04 2018-08-31 南京航空航天大学 Composite excitation axial magnetic circuit both-end excitation electromotor

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112671193A (en) * 2020-11-25 2021-04-16 武汉船用电力推进装置研究所(中国船舶重工集团公司第七一二研究所) Mixed excitation type motor
CN112398269A (en) * 2020-11-30 2021-02-23 华中科技大学 Stator hybrid excitation flywheel energy storage motor
CN112398269B (en) * 2020-11-30 2021-08-31 华中科技大学 Stator hybrid excitation flywheel energy storage motor
CN114142701A (en) * 2021-11-28 2022-03-04 卧龙电气南阳防爆集团股份有限公司 Back-to-back multi-excitation hybrid generator based on same-direction electromagnetic pole coupling
CN114142701B (en) * 2021-11-28 2024-04-02 卧龙电气南阳防爆集团股份有限公司 Back-to-back multiple excitation hybrid generator based on homodromous electromagnetic pole coupling
WO2022105947A3 (en) * 2022-01-14 2022-09-15 浙江吉利控股集团有限公司 Salient pole-type hybrid excitation motor
KR20230110439A (en) * 2022-01-14 2023-07-24 쩌지앙 길리 홀딩 그룹 씨오., 엘티디. Salient pole hybrid excitation motor
CN114389422B (en) * 2022-01-14 2023-12-22 无锡星驱科技有限公司 Salient pole type hybrid excitation motor
KR102623591B1 (en) 2022-01-14 2024-01-11 쩌지앙 길리 홀딩 그룹 씨오., 엘티디. Salient pole hybrid excitation motor
CN114389422A (en) * 2022-01-14 2022-04-22 浙江吉利控股集团有限公司 Salient pole type hybrid excitation motor
US12040667B2 (en) 2022-01-14 2024-07-16 Wuxi Infimotion Technology Co., Ltd Salient pole type hybrid excitation motor
CN114678981A (en) * 2022-04-01 2022-06-28 中船重工电机科技股份有限公司 Hybrid excitation method of permanent magnet synchronous generator
CN116191801A (en) * 2023-01-18 2023-05-30 南京航空航天大学 Bearingless hybrid excitation synchronous motor and suspension control method thereof
CN116191801B (en) * 2023-01-18 2023-12-01 南京航空航天大学 Bearingless hybrid excitation synchronous motor and suspension control method thereof
CN118040933A (en) * 2024-01-10 2024-05-14 山东理工大学 Novel ultra-high-speed permanent magnet auxiliary synchronous reluctance generator and direct current power generation system

Also Published As

Publication number Publication date
CN110061603B (en) 2021-04-02

Similar Documents

Publication Publication Date Title
CN110061603A (en) A kind of rotor magnetic circuit decoupling type mixed at high speed excitation magnetic synchronization motor
CN201107842Y (en) Disc type switch reluctance motor
CN105978199B (en) Permanent magnetism vernier motor
CN101651395B (en) Sine wave current self-starting three-phase rare earth permanent-magnetism synchronous motor
CN109951037A (en) Electromagnetism and hidden magnetic pole composite excitation driving motor
CN106385203B (en) A kind of axial phase inner stator permanent magnetism off-set magnetic suspension switching magnetic-resistance fly-wheel motor
CN109194082A (en) The amorphous alloy axial-flux electric machine of wide weak magnetism speed expansion low rotor loss
CN108631531A (en) A kind of composite excitation switch magnetic resistance wheel hub motor for electric vehicle
CN201975870U (en) Ferrite three-phase magnetoelectric machine
CN108199554B (en) Bipolar multiphase permanent magnet synchronous motor and method
CN104716801B (en) A kind of built-in magnetic conduction bridge composite fabricated rotor hybrid exciting synchronous motor unshakable in one's determination
CN101557150A (en) Permanent magnet synchronous direct-drive wind power generator without iron core
CN103222156B (en) A kind of ferrite three-phase permanent magnet motor
CN202068244U (en) Ferrite three-segment three-phase permanent magnet motor
CN102005836B (en) Magnetic flow switching dual-salient pole motor with reinforced outer rotor magnetic field
CN201918812U (en) Enhanced magnetic flux switching doubly salient motor with magnetic gathering effect for outer rotor magnetic field
CN101478207B (en) Dual feedback mixed magnetic pole permanent magnetic motor
CN201478968U (en) Sine current self-starting three-phase rare-earth permanent-magnet synchronous motor
CN208767862U (en) A kind of few permanent magnet high-performance permanent magnet reluctance-synchronous machine
CN208112471U (en) A kind of rare earth permanent-magnet synchronization motor
CN106059131A (en) Hybrid magnetic path driving motor
CN109286255A (en) A kind of alternating pole permanent magnetism vernier motor based on T-type permanent magnet
CN109831080A (en) A kind of double V-shaped permanent magnetism wheel hub motor magnetic circuit structure
CN103222155B (en) Ferrite three-section type three-phase permanent-magnet motor
CN201975871U (en) Ferrite three-section type three-phase permanent-magnet motor

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
GR01 Patent grant
GR01 Patent grant