CN109194082A - The amorphous alloy axial-flux electric machine of wide weak magnetism speed expansion low rotor loss - Google Patents

The amorphous alloy axial-flux electric machine of wide weak magnetism speed expansion low rotor loss Download PDF

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Publication number
CN109194082A
CN109194082A CN201811156586.5A CN201811156586A CN109194082A CN 109194082 A CN109194082 A CN 109194082A CN 201811156586 A CN201811156586 A CN 201811156586A CN 109194082 A CN109194082 A CN 109194082A
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stator
rotor
permanent magnet
amorphous alloy
pole
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CN201811156586.5A
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CN109194082B (en
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佟文明
吴胜男
王云学
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Shenyang University of Technology
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Shenyang University of Technology
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    • 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
    • H02K21/24Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets axially facing the armatures, e.g. hub-type cycle dynamos
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K1/00Details of the magnetic circuit
    • H02K1/06Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/12Stationary parts of the magnetic circuit
    • H02K1/20Stationary parts of the magnetic circuit with channels or ducts for flow of cooling medium

Abstract

A kind of amorphous alloy axial-flux electric machine of width weak magnetism speed expansion low rotor loss, including double-stator structure and single-turn minor structure, rotor structure are located among two stator structures;Stator includes stator yoke and stator teeth made of amorphous alloy material winding;Stator yoke is directly in contact with end cap;Stator yoke and stator teeth collectively form stator core;Circumferential dish-type water channel is equipped in the end cap at casing both ends;In the double-deck distribution armature winding insertion stator core;Rotor structure is simple disc structure, and permanent magnet therein is equal with soft magnetism pole number of pole-pairs;Soft magnetism pole is specially the SMC soft magnetism pole of low conductivity;Permanent magnet is specially the boned neodymium iron boron permanent magnet of the low conductivity of sintered Nd-Fe-B permanent magnet and its two sides;Rotor field spider covers on motor shaft;With biggish ac-dc axis inductance, lower rotor loss, and the reluctance torque of the unequal generation of axial-flux electric machine ac-dc axis inductance can be made full use of, there is more wide weak magnetism speed expansion range.

Description

The amorphous alloy axial-flux electric machine of wide weak magnetism speed expansion low rotor loss
Technical field
The invention belongs to axial-flux electric machine design field, it is directed primarily to a kind of the non-of wide weak magnetism speed expansion low rotor loss Peritectic alloy axial-flux electric machine.
Background technique
Amorphous alloy axial flux permanent magnet synchronous motor because its is compact-sized, power density is high, many advantages such as high-efficient, So that obtaining the concern of more and more people in recent years, rush enables it to obtain greatly in electric car, field of wind power generation Application.But the motor permanent magnet and rotor field spider conductivity are high, rotor eddy current loss is larger, and in high-frequency high-speed, rotor is sent out Heat is very serious, and since the hard magnetic properties of permanent-magnet material inherently are held essentially constant air-gap field in motor, passes System axial flux permanent magnet synchronous motor mostly uses greatly bilateral air gap topological structure, and the topological structure air gap is larger, and is often connected in series The number of turns is less, rotor is mostly surface-mount type magnetic pole, so that the inductance of motor is smaller, when using tradition to increase d-axis demagnetizing current to cut When weak air-gap field method, weak magnetism speed expansion ability is limited, has become and restricts the development of amorphous alloy axial-flux electric machine One bottleneck.
In order to reduce the eddy-current loss of rotor, increase amorphous alloy axial flux permanent magnet synchronous motor ac-dc axis electricity Feel, effectively adjusts with control air-gap field, realize the efficient weak magnetism speed expansion of motor, while ac-dc axis inductance not phase can be utilized The reluctance torque of equal generations, improves the power density of motor, and many researchers propose using different types of topological structure Traditional permanent-magnetic synchronous motor rotor eddy-current loss is big, magnetic field is difficult to adjust, be unfavorable for the problems such as weak magnetism speed expansion solving, but still It is old have the defects that it is different degrees of:
(1) Chinese patent CN105680649A is proposed the invention discloses a kind of axial-radial magnetic flux doubly salient permanent magnet motor, Including lower axial rotor, permanent-magnetic clamp, lower axial stator, upper axial stator, radial rotor, radial stator, upper axial rotor and Shaft;Radial rotor is set in radial stator, and permanent-magnetic clamp surround and is embedded in radial stator;It is fixed that shaft sequentially passes through axial direction Sub, upper axial rotor, radial rotor, lower axial rotor and lower axial stator, and upper axial rotor, radial rotor and lower axial direction Rotor is fixedly mounted in shaft;Upper axial stator and lower axial divided stator are not fixedly mounted on the upper and lower end face of radial stator On, shaft upper and lower ends are rotatably mounted on respectively in axial stator and lower axial stator.It is formed inside motor of the invention One group of radial flux and two groups of axial magnetic fluxes, the advantages of combining axial-flux electric machine and double salient-pole electric machine, rotary inertia is small, Starting torque is big, starting current is small, power output is big, enhances safety in operation.But armature reaction is small, is unfavorable for applying The weak magnetism speed expansion of motor, therefore the motor is difficult to play its advantage in the application of wide revolving speed.
(2) Chinese patent CN103997145A proposes a kind of axial flux permanent magnet synchronous motor.The motor includes one Shaft, rotor are assembled in shaft, at least one permanent magnet is assembled on rotor, further include stator module, and stator module includes Towards the stator modules of an axial direction, each stator modules include a pair of stator tooth being connected by a yoke part and multiple Winding, each winding are wound on a stator modules.The characteristics of invention is: axial-flux electric machine uses inexpensive ferrite Magnet, and cogging torque vibration noise all decreases, but the motor is difficult to play it in the application of wide revolving speed Advantage.
(3) Chinese patent CN10530757A proposes that a kind of topological structure of double cross mistake mixed excitation electric machine, the motor include Drive end bearing bracket, rear end cap and casing, shaft are equipped with rotor yoke, the intrinsic pole permanent magnetism N, the pole permanent magnetism S and iron pole on rotor yoke, on casing Be uniformly provided with armature core and field core, there is exchange armature winding on armature core, field core be equipped with AC excitation around Group;Shaft, rotor yoke, the pole permanent magnetism N, the pole permanent magnetism S and iron pole constitute rotor;Exchange armature winding, armature core, AC excitation around Group, field core and casing constitute stator.The characteristics of invention is: the motor is a kind of structure of radial flux, using exchange Current regulation air-gap flux, excitation magnetomotive force and armature magnetomotive force are parallel relationship, change sense by adjusting the distribution of magnetic flux The size for answering potential can realize broader speed adjustable range in variable speed power occasion, but the motor manufacturing technology is complicated, uncomfortable Close the occasion applied in high-frequency high-speed.
(4) Chinese patent CN105375655A proposes a kind of axial direction of soft magnetic-powder core using high saturated magnetic induction The soft magnetic-powder core of high saturated magnetic induction is specifically used for composite permanet magnet iron or iron core by flux electric machine.With the prior art It compares, after being used for composite permanet magnet iron or high-power iron core using the soft magnetic-powder core of high saturated magnetic induction, due to its high saturation Bigger excitation field can be used under identical core material to excite the stronger excitation flux density of stator in magnetic induction intensity. Maximum excitation magnetic heave root is significantly greater than traditional amorphous iron core and newer stator without iron core according to theoretical calculation and test, has Higher output power.But armature reaction is small, is difficult to play its advantage in the application of wide revolving speed.
(5) Chinese patent CN103915961A discloses a kind of novel axial magnetic flux doubly salient permanent magnet generator, to be solved Certainly the technical issues of, is:, itself energy consumption is high the problems such as excessively complicated for structure existing for existing generator.The technical side taken Case is: including rotor, generator external stator, generator inner stator, permanent-magnetic clamp and armature spindle;Generator inner stator is nested in power generation In machine external stator, there are gaps between generator inner stator and generator external stator;The permanent-magnetic clamp is installed in aforementioned gap; Armature spindle is arranged at the center of rotor, and is fixed as an entirety;The armature spindle penetrates through the center of generator inner stator, And it is not contacted with generator inner stator;The rotor is located at the top of generator external stator and generator inner stator.The present invention will Doubly salient permanent magnet motor combines with axial-flux electric machine, has high efficiency, high power density, compact-sized, noise Advantage small, starting wind velocity is low.But the motor is difficult to play its advantage in the application of wide revolving speed.
(6) Chinese patent CN1808846A proposes a kind of dual-feeding mixed excitation axial magnetic field magento motor topology knot Structure.The motor includes a rotor and the stator of left and right two for being placed in rotor two sides, and the magnetic pole of rotor is by magnetic region is divided into Outer two circle, outer ring are iron core pole, and inner ring is the permanent magnet of alternating polarity;The inside installation magnetic field control of the external tooth of two stator cores Winding processed, and armature main winding is installed around inside and outside tooth.The characteristics of invention, is: by changing the electricity in the control winding of magnetic field Amplitude and direction are flowed to adjust motor gas-gap total magnetic flux size, achieve the purpose that change induced potential size, but the structure is electric Machine permanent magnet dosage is big, and the range of weak magnetism speed expansion is than relatively limited.
Summary of the invention
Goal of the invention: since the hard magnetic properties of permanent-magnet material inherently make the air-gap field in motor keep permanent substantially Fixed, conventional axial flux permanent magnet synchronous motor mostly uses greatly bilateral air gap topological structure, and the topological structure air gap is larger, and every phase Turns-in-series are less, rotor is mostly surface-mount type magnetic pole so that motor inductances are smaller, when use tradition increase d-axis demagnetizing current with When weakening air-gap field method, weak magnetism speed expansion ability is limited, and traditional axial-flux electric machine permanent magnet and rotor field spider electricity Conductance is high, and rotor eddy current loss is larger, and in high-frequency high-speed, rotor heating is very serious.In order to reduce rotor vortex damage Consumption realizes axial flux permanent magnet synchronous motor air-gap field simple and flexible, cost-effective adjusting with control so as to improve motor Speed regulation and driveability introduce a kind of amorphous alloy axial-flux electric machine of wide weak magnetism speed expansion low rotor loss.
Technical solution:
A kind of amorphous alloy axial-flux electric machine of width weak magnetism speed expansion low rotor loss, including double-stator structure and single rotor knot Structure, rotor structure are located among two stator structures;
The stator structure includes: stator yoke and stator teeth made of amorphous alloy material winding;The stator yoke is straight It connects and is in contact with end cap;Stator yoke and stator teeth collectively form stator core;
Circumferential dish-type water channel is equipped in the end cap at the casing both ends;
In the peariform slot of the double-deck distribution armature winding insertion stator core;
The rotor structure is simple disc structure, including stainless steel rotor field spider, be arranged above and below be embedded in the permanent magnet of rotor field spider with Soft magnetism pole;The permanent magnet is equal with soft magnetism pole number of pole-pairs;
The soft magnetism pole is specially the SMC soft magnetism pole of low conductivity;
The permanent magnet is specially the boned neodymium iron boron permanent magnet of the low conductivity of sintered Nd-Fe-B permanent magnet and its two sides;
The rotor field spider covers on motor shaft.
The amorphous alloy axial-flux electric machine of the wide weak magnetism speed expansion low rotor loss, preferably: the stator core It is formed, is tightly attached to circumferential disc along motor is radially winding using the low-loss amorphous alloy strips for cutting into pyriform slot structure The end cap both sides of type water channel, stator dissipate copper wire armature winding using double-layer fractional slot Distributed Winding.
The amorphous alloy axial-flux electric machine of the wide weak magnetism speed expansion low rotor loss, preferably: the rotor field spider Excircle is provided with notch.
The amorphous alloy axial-flux electric machine of the wide weak magnetism speed expansion low rotor loss, preferably: the rotor field spider On with the fan-shaped arrangement permanent magnet of circumference uniform distribution and soft magnetism pole;Wherein soft magnetism pole is located at close to motor shaft side, and permanent magnet is located at remote From motor shaft side;Permanent magnet is three-decker, and sintered Nd-Fe-B permanent magnet is clipped between two boned neodymium iron boron permanent magnets.
Advantage and effect:
The present invention is a kind of amorphous alloy axial-flux electric machine of wide weak magnetism speed expansion low rotor loss, is had the following advantages that and beneficial Effect:
1. the present invention is a kind of structure of bimorph transducer single rotor, by opening circumferential dish-type on the end cap being in contact with stator core The water channel of structure can effectively take away the heat generated on stator, improve the power density of axial-flux electric machine.
2. the rotor inner surface position of amorphous alloy stator iron core interior teeth portion face proposed by the present invention is using connected Permanent magnet and soft magnetism pole are connect, when giving demagnetizing current on armature winding, the soft magnetism pole being connected with permanent magnet is enabled to generate Reversed magnetic field can weaken air-gap field to a greater extent and axial-flux electric machine is made to have more wide in range running speed.
3. a kind of stainless steel rotor field spider proposed by the present invention is internally embedded, number of pole-pairs is equal, permanent magnet side by side up and down and It soft magnetism pole, can using this kind of permanent magnet and the extremely coefficient combination of soft magnetism compared with conventional axial flux permanent magnet synchronous motor To make full use of the reluctance torque of the unequal generation of axial-flux electric machine ac-dc axis inductance, the torque density of motor is improved, favorably In the dosage for reducing permanent magnet, the manufacturing cost of motor is reduced.
4. axial-flux electric machine Jeffcott rotor proposed by the present invention using powdered metallurgical material SMC compacting made of soft magnetism Pole, sintered Nd-Fe-B permanent magnet both sides are the boned neodymium iron boron permanent magnet of low conductivity, and permanent magnet is equal with soft magnetism pole number of pole-pairs, And be embedded in high-intensitive stainless steel rotor field spider in being arranged above and below, the rotor field spider embedded with magnetic pole covers the shaft in motor On.Rotor field spider upper end otch is used to reduce the eddy-current loss of rotor field spider.
5. stator core made of a kind of amorphous alloy strips winding proposed by the present invention, since amorphous alloy material is opposite In traditional silicon steel sheet, the iron loss of motor is obviously much smaller in high frequency, therefore this amorphous alloy axial-flux electric machine is special Occasion suitable for high-frequency high-speed.
Detailed description of the invention:
Fig. 1 and 2 is the amorphous alloy axial-flux electric machine schematic diagram of wide weak magnetism speed expansion low rotor loss.
Fig. 3 is the amorphous alloy axial-flux electric machine stator structure schematic diagram of wide weak magnetism speed expansion low rotor loss.
Fig. 4 is the amorphous alloy axial-flux electric machine rotor structure schematic diagram of wide weak magnetism speed expansion low rotor loss.
Fig. 5 is the amorphous alloy axial-flux electric machine rotor magnetic pole structure schematic diagram of wide weak magnetism speed expansion low rotor loss.
Description of symbols:
Label 1 is motor dish-type water in amorphous alloy axial-flux electric machine Fig. 1,2,3,4,5 of wide weak magnetism speed expansion low rotor loss Road;2 be the end cap of motor;3 be the casing of motor;4 be the armature winding of motor;5 be the rotor field spider of motor;6 be motor Stator core yoke portion;7 be the shaft of motor;8 be the stator core teeth portion of motor;9 be the sintered Nd-Fe-B permanent magnet of motor;10 For the SMC soft magnetism pole of motor;11 be the rotor field spider notch of motor;12 be the boned neodymium iron boron permanent magnet of motor;13 be motor Bearing.
Specific embodiment:
Following further describes the present invention with reference to the drawings:
The present invention provides a kind of amorphous alloy axial-flux electric machine of wide weak magnetism speed expansion low rotor loss, as shown in Figure 1, including non- Peritectic alloy stator core, armature winding, casing, end cap, bearing, shaft, rotor, permanent magnet and the soft magnetism part such as extremely form;Its Be characterized in that: stator core is wound using amorphous alloy material, and both sides stator core is directly and with circumferential dish-type water channel The end cap of structure is in contact, and amorphous alloy stator iron core is embedded in casing, and the double-deck distribution armature winding is embedded into peariform slot Amorphous alloy stator iron core in, the rotor of motor uses simple disc structure, and the soft magnetism pole of low conductivity is using the smelting of self raising flour end Golden material SMC is suppressed, and sintered Nd-Fe-B permanent magnet both sides are the boned neodymium iron boron permanent magnet of low conductivity, in rotor field spider Portion's insertion number of pole-pairs is equal, and gapless permanent magnet side by side up and down and soft magnetism pole, permanent magnet is equal with soft magnetism pole number of pole-pairs, and is in It is arranged above and below and is embedded in high-intensitive stainless steel rotor field spider, rotor field spider upper end otch, the rotor branch embedded with magnetic pole Frame covers in the shaft of motor, is respectively equipped with end cap at the both ends of casing, the shaft of motor is by bearing support in end cap Centre.
It as illustrated in fig. 1 and 2, is the amorphous alloy axial-flux electric machine schematic diagram of wide weak magnetism speed expansion low rotor loss.Stator Iron core 6,8 is wound using amorphous alloy material, and both sides stator core 6,8 is directly and with circumferential 1 structure of dish-type water channel End cap is in contact, and amorphous alloy stator iron core 6,8 is embedded in casing, and the double-deck distribution armature winding 5 is embedded into peariform slot In amorphous alloy stator iron core 6,8, the rotor of motor uses simple disc structure, and the soft magnetism pole 10 of low conductivity is using self raising flour end Metallurgical material SMC is suppressed, and 9 both sides of sintered Nd-Fe-B permanent magnet are the boned neodymium iron boron permanent magnet 12 of low conductivity, neodymium iron Boron permanent magnet 9,12 is equal with 10 number of pole-pairs of soft magnetism pole, and is embedded in high-intensitive stainless steel rotor field spider 5 in being arranged above and below, Rotor field spider upper end otch 11,5 sets of rotor field spider embedded with magnetic pole are distinguished in the shaft 7 of motor at the both ends of casing 3 Equipped with end cap 2, the shaft 7 of motor is supported in the center of end cap 2 by bearing 8.
As shown in figure 3, for the amorphous alloy axial-flux electric machine stator structure schematic diagram of wide weak magnetism speed expansion low rotor loss, The double-sided stator iron core 6,8 of axial-flux electric machine uses the low-loss amorphous alloy strips for cutting into pyriform slot structure along motor It is radially winding to form, 2 both sides of end cap with circumferential dish-type water channel 1 are tightly attached to, stator dissipates copper wire armature winding 4 using energy Increase the double-layer fractional slot Distributed Winding of reluctance torque.
As shown in figure 4, for the amorphous alloy axial-flux electric machine rotor structure schematic diagram of wide weak magnetism speed expansion low rotor loss, The rotor of axial-flux electric machine uses simple disc structure, and the soft magnetism pole 9,12 of low conductivity is using self raising flour powder metallurgy material SMC It suppresses, Nd-Fe-B permanent magnet 9,12 is equal with SMC soft magnetism 10 numbers of pole-pairs of pole, and is embedded in high intensity not in being arranged above and below It becomes rusty in steel rotor bracket 5,5 sets of rotor field spider embedded with magnetic pole are in the shaft 7 of motor.Be conducive to reduce forever using this structure Eddy-current loss on magnet 9,12, while the dosage for being also beneficial to save permanent magnet 9,12 reduces cost, improves motor performance.
As shown in figure 5, the amorphous alloy axial-flux electric machine rotor magnetic pole structure for wide weak magnetism speed expansion low rotor loss shows It is intended to, 9 both sides of sintered Nd-Fe-B permanent magnet are the boned neodymium iron boron permanent magnet 12 of low conductivity, since harmonic field is mainly made Used in the bonded permanent magnet surface of low conductivity, it can effectively weaken rotor eddy current loss.
The course of work of the invention is as follows:
A kind of amorphous alloy axial-flux electric machine of wide weak magnetism speed expansion low rotor loss proposed by the present invention, stator core is using non- Peritectic alloy band is radially wound, and stator core made of winding is then opened peariform slot along radial, is turned in stainless steel Submounts are embedded in permanent magnet and soft magnetism pole arranged side by side up and down, and the double-deck distributed armature winding is embedded in stator core.Point It does not give armature winding logical upper 120 ° of three phase sine alternating currents of mutual deviation, then gives it to magnetization in the soft magnetism pole of rotor corresponding position, So that soft magnetism pole and permanent magnet collective effect on rotor, produce resultant magnetic field, magnetic field is closed by amorphous alloy stator iron core It closes, under electromagnetic field effect, rotor rotates under bearing support, output mechanical energy.Due to it is proposed by the present invention be a kind of The amorphous alloy axial-flux electric machine structure of wide weak magnetism speed expansion low rotor loss, can effectively save the dosage of permanent magnet, drop Low rotor eddy-current loss makes full use of the reluctance torque of motor, and the power density of inheriting tradition axial flux permanent magnet motor is big, turns Square density is big, the various features such as high-efficient, while improving the weak magnetism speed expansion ability of axial-flux electric machine.
Conclusion: a kind of amorphous alloy axial-flux electric machine of wide weak magnetism speed expansion low rotor loss of the present invention, stator Iron core is using having the amorphous alloy strips for the effect of significantly inhibiting instead of traditional silicon steel sheet core loss, by conventional axial Permanent magnet on flux permanent magnet synchronous motor rotor is divided into two parts, uses the soft of powdered metallurgical material SMC compacting for part of Magnetic pole substitutes, and changes air-gap field in motor by adjusting d-axis demagnetizing current size, to increase range of motor speeds Improve its driveability, sintered Nd-Fe-B permanent magnet both sides are the boned neodymium iron boron permanent magnet of low conductivity, rotor field spider it is upper End otch can effectively weaken rotor eddy current loss.Compared with conventional axial flux permanent magnet synchronous motor, the axial magnetic Three-way motor has biggish ac-dc axis inductance, lower rotor loss, and axial-flux electric machine ac-dc axis can be made full use of electric Feel the reluctance torque of unequal generation, there is more wide weak magnetism speed expansion range.

Claims (4)

1. a kind of amorphous alloy axial-flux electric machine of width weak magnetism speed expansion low rotor loss, including double-stator structure and single rotor knot Structure, rotor structure are located among two stator structures, it is characterised in that:
The stator structure includes: stator yoke (6) and stator teeth (8) made of amorphous alloy material winding;The stator Yoke portion (6) is directly in contact with end cap (2);Stator yoke (6) and stator teeth (8) collectively form stator core;
Circumferential dish-type water channel (1) is equipped in the end cap (2) at casing (3) both ends;
The double-deck distribution armature winding (4) is embedded in the peariform slot of stator core;
The rotor structure is simple disc structure, and including stainless steel rotor field spider (5), being arranged above and below is embedded in rotor field spider (5) forever Magnet and soft magnetism pole;The permanent magnet is equal with soft magnetism pole number of pole-pairs;
The soft magnetism pole is specially the SMC soft magnetism pole (10) of low conductivity;
The permanent magnet is specially the boned neodymium iron boron permanent magnet of the low conductivity of sintered Nd-Fe-B permanent magnet (9) and its two sides (12);
The rotor field spider (5) covers on motor shaft.
2. the amorphous alloy axial-flux electric machine of width weak magnetism speed expansion low rotor loss according to claim 1, feature Be: the stator core it is radially winding along motor using the low-loss amorphous alloy strips for cutting into pyriform slot structure and At being tightly attached to the end cap both sides with circumferential dish-type water channel, stator dissipates copper wire armature winding (4) using double-layer fractional slot point Cloth winding.
3. the amorphous alloy axial-flux electric machine of width weak magnetism speed expansion low rotor loss according to claim 1, feature Be: rotor field spider (5) excircle is provided with notch (11).
4. the amorphous alloy axial-flux electric machine of width weak magnetism speed expansion low rotor loss according to claim 1, feature It is: with the fan-shaped arrangement permanent magnet of circumference uniform distribution and soft magnetism pole on the rotor field spider (5);Wherein soft magnetism pole is located at close to electricity Arbor side, permanent magnet are located remotely from motor shaft side;Permanent magnet is three-decker, and sintered Nd-Fe-B permanent magnet (9) is clipped in two and glues It ties between Nd-Fe-B permanent magnet (12).
CN201811156586.5A 2018-09-30 2018-09-30 Amorphous alloy axial flux motor with wide field weakening speed expansion and low rotor loss Active CN109194082B (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110648838A (en) * 2019-09-27 2020-01-03 浙江盘毂动力科技有限公司 Processing method of composite magnetic steel
CN112510946A (en) * 2020-11-20 2021-03-16 哈尔滨工业大学 High-power-density axial transverse flux outer rotor permanent magnet motor for aerospace field
DE102020133677A1 (en) 2020-12-16 2022-06-23 Schaeffler Technologies AG & Co. KG Cooling concept for an H-type axial flux machine
WO2022127971A1 (en) 2020-12-16 2022-06-23 Schaeffler Technologies AG & Co. KG Stator core for axial flux machine in h design

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Publication number Priority date Publication date Assignee Title
CN101924445A (en) * 2010-09-01 2010-12-22 哈尔滨工业大学 Permanent magnetic synchronous motor in wide weak-magnetic speed-regulating range
CN104011973A (en) * 2011-12-27 2014-08-27 三菱电机株式会社 Electric motor
CN104377846A (en) * 2013-08-16 2015-02-25 米巴烧结奥地利有限公司 Disc rotor motor
CN106233578A (en) * 2013-12-11 2016-12-14 株式会社达耐时 Axial gap motor

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101924445A (en) * 2010-09-01 2010-12-22 哈尔滨工业大学 Permanent magnetic synchronous motor in wide weak-magnetic speed-regulating range
CN104011973A (en) * 2011-12-27 2014-08-27 三菱电机株式会社 Electric motor
CN104377846A (en) * 2013-08-16 2015-02-25 米巴烧结奥地利有限公司 Disc rotor motor
CN106233578A (en) * 2013-12-11 2016-12-14 株式会社达耐时 Axial gap motor

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110648838A (en) * 2019-09-27 2020-01-03 浙江盘毂动力科技有限公司 Processing method of composite magnetic steel
CN112510946A (en) * 2020-11-20 2021-03-16 哈尔滨工业大学 High-power-density axial transverse flux outer rotor permanent magnet motor for aerospace field
DE102020133677A1 (en) 2020-12-16 2022-06-23 Schaeffler Technologies AG & Co. KG Cooling concept for an H-type axial flux machine
WO2022127971A1 (en) 2020-12-16 2022-06-23 Schaeffler Technologies AG & Co. KG Stator core for axial flux machine in h design
WO2022127981A1 (en) 2020-12-16 2022-06-23 Schaeffler Technologies AG & Co. KG Cooling concept for an axial flux motor of h-shaped design
DE102020133676A1 (en) 2020-12-16 2022-06-23 Schaeffler Technologies AG & Co. KG H-type axial flux machine stator core

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