CN109194078A - A kind of bilayer permanent magnetism composite magnetic circuit memory electrical machine - Google Patents
A kind of bilayer permanent magnetism composite magnetic circuit memory electrical machine Download PDFInfo
- Publication number
- CN109194078A CN109194078A CN201811107064.6A CN201811107064A CN109194078A CN 109194078 A CN109194078 A CN 109194078A CN 201811107064 A CN201811107064 A CN 201811107064A CN 109194078 A CN109194078 A CN 109194078A
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- permanent
- coercivity
- permanent magnet
- bilayer
- magnet structure
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- 230000005389 magnetism Effects 0.000 title claims abstract description 55
- 239000002131 composite material Substances 0.000 title claims abstract description 18
- 238000004804 winding Methods 0.000 claims abstract description 10
- 230000004907 flux Effects 0.000 description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- 230000005415 magnetization Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000001360 synchronised Effects 0.000 description 3
- 230000005284 excitation Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910052761 rare earth metal Inorganic materials 0.000 description 2
- 150000002910 rare earth metals Chemical class 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 230000002441 reversible Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
- H02K21/14—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
- H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
- H02K1/276—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
- H02K1/2766—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM] having a flux concentration effect
- H02K1/2773—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM] having a flux concentration effect consisting of tangentially magnetized radial magnets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/02—Details
- H02K21/021—Means for mechanical adjustment of the excitation flux
- H02K21/022—Means for mechanical adjustment of the excitation flux by modifying the relative position between field and armature, e.g. between rotor and stator
- H02K21/023—Means 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 amount of superposition, i.e. the overlap, of field and armature
- H02K21/024—Radial air gap machines
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2201/00—Specific aspects not provided for in the other groups of this subclass relating to the magnetic circuits
- H02K2201/03—Machines characterised by aspects of the air-gap between rotor and stator
Abstract
The invention discloses a kind of double-deck permanent magnetism composite magnetic circuit memory electrical machines, including hybrid permanent magnet rotor, stator, armature winding and shaft, hybrid permanent magnet rotor includes rotor core, the circumferential direction of rotor core is evenly equipped with several double-deck permanent magnetism areas, the double-deck permanent magnetism area includes U-shaped hybrid permanent magnet structure and V-type permanent-magnet structure, and U-shaped hybrid permanent magnet structure includes the second high-coercive force and low-coercivity permanent magnet；V-type permanent-magnet structure includes the first High-coercivity Permanent Magnets, in its opening for being set to U-shaped hybrid permanent magnet structure, U-shaped hybrid permanent magnet structure and the opening of V-type permanent-magnet structure are towards stator, low-coercivity permanent magnet and the second High-coercivity Permanent Magnets are in parallel circuits, are in series circuit with the first High-coercivity Permanent Magnets.Present invention incorporates advantage of both parallel circuits type and series circuit type memory electrical machine, it can be achieved that the raising of motor torque density, avoids the problem of load of low-coercivity permanent magnetism is demagnetized, and further widen speed adjustable range and the high-efficiency operation section of motor.
Description
Technical field
The present invention relates to a kind of permanent magnetism memory electrical machines to belong to more particularly to a kind of double-deck permanent magnetism composite magnetic circuit memory electrical machine
In technical field of motors.
Background technique
Permanent magnet synchronous motor (Permanent Magnet Synchronous Machine, PMSM) is due to using higher magnetic
The traditional rare earth permanent-magnet material (such as high-coercive force) of energy product has high power density, high efficiency, overload capacity reliable for operation and strong
Etc. advantages, be the important development direction of Subject " Electric Machinery ".Have benefited from the development of rare earth permanent-magnetic material and power electronic technique, PMSM exists
Middle low power field largely replaces electro-magnetic motor, and then in each of aerospace, national defence, industrial and agricultural production and daily life
A field has obtained large-scale application.
Common permanent magnet synchronous motor (PMSM) due to common permanent-magnet material (such as high-coercive force) inherent characteristic, in motor
Air-gap field is held essentially constant, and speed adjustable range is extremely limited when as electric operation, in such as electric car, aerospace etc.
The application that occasion is directly driven in wide range speed control is subject to certain restrictions, thus with realize magneto air-gap field be effectively adjusted to target can
Magnetic-flux-adjustable magneto is always the hot and difficult issue in motor research field.Permanent magnetism memory electrical machine (hereinafter referred to as " memory electrical machine ")
A kind of Novel magnetic flux controllable type magneto, it uses low-coercivity permanent magnet, by stator winding or DC pulse around
Group generates Circumferential field and air-gap field is adjusted to change permanent magnet magnetization intensity, while permanent magnet has flux density water
Flat the characteristics of capable of being remembered.
Traditional memory electrical machine is taught by descendants Germany of Croatia motor scholar Ao Situoweiqi (Ostovic) in 2001
It proposes.The memory electrical machine of this topological structure is developed by writing pole type motor, and rotor is by low-coercivity permanent magnet, non magnetic folder
Layer and rotor core collectively constitute sandwich structure.This special construction can realize at any time to permanent magnet carry out it is online repeatedly not
It is reversible to fill degaussing, while reducing influence of the quadrature axis armature reaction to air-gap field.Existing research has focused largely on exchange adjustable magnetic type
On hybrid permanent magnet memory electrical machine, i.e., high-coercive force and low-coercivity permanent magnetism are collectively disposed on rotor, stator winding has both power
Control and two kinds of functions of adjustable magnetic.Studies have shown that the torque density of single permanent-magnet type can reach the water of traditional surface-mounted permanent magnet machine
It is flat, therefore it is well suited to this application higher for power demand of electric car；But hybrid permanent magnet memory electrical machine is deposited at present
Main problem be: parallel circuits type armature-reaction easily causes low-coercivity permanent magnetism accident degaussing；And the tandem type magnetic that magnetizes is dynamic
Gesture need to be by two kinds of permanent magnets, the capacity of full magnetizing current and inverter needed for increasing, and adjustable magnetic range is relatively narrow.
Summary of the invention
In view of the above-mentioned defects in the prior art, it the present invention provides a kind of double-deck permanent magnetism composite magnetic circuit memory electrical machine, solves
It in existing exchange adjustable magnetic type memory electrical machine, needs to reduce magnetizing current demand, controls power inverter cost, it is low under load running
Coercivity permanent magnetism intersects the serious problem of degaussing.
Technical solution of the present invention is as follows: a kind of bilayer permanent magnetism composite magnetic circuit memory electrical machine, including hybrid permanent magnet rotor, fixed
Son, armature winding and shaft, the armature winding are arranged on stator, and the stator is arranged in hybrid permanent magnet rotor exterior, institute
Stating hybrid permanent magnet rotor includes rotor core, and the rotor core is set to outside the shaft, the circumferential direction of the rotor core
It is evenly equipped with several double-deck permanent magnetism areas, the bilayer permanent magnetism area includes U-shaped hybrid permanent magnet structure and V-type permanent-magnet structure, described U-shaped mixed
It closes in permanent-magnet structure and is made of U-shaped two sides the second High-coercivity Permanent Magnets, U-shaped bottom is made of low-coercivity permanent magnet,
Second High-coercivity Permanent Magnets and low-coercivity permanent magnet constitute parallel connection type magnetic circuit, and the U-shaped hybrid permanent magnet structure is opened
Mouth is towards the stator, and the V-type permanent-magnet structure is set in the opening of the U-shaped hybrid permanent magnet structure, the V-type permanent magnetism knot
Structure is made of the two sides of the V-type, first High-coercivity Permanent Magnets and low-coercivity permanent magnetism the first High-coercivity Permanent Magnets
Body constitutes tandem type magnetic circuit, and the opening of the V-type permanent-magnet structure is towards the stator.
Further, the rotor core between the adjacent double-deck permanent magnetism area and the first air is equipped between the stator
Gap.
Further, second High-coercivity Permanent Magnets and the first High-coercivity Permanent Magnets adjacent in the double-deck permanent magnetism area
Between be equipped with the second air-gap, second air-gap extends from the U-shaped bottom to the stator.
Further, it is empty that third is equipped in the double-deck permanent magnetism area between the second High-coercivity Permanent Magnets and low-coercivity permanent magnet
Air gap.
Further, there are two setting with the low-coercivity permanent magnet in pair of lamina permanent magnetism area, the adjacent low coercive
The 4th air-gap is equipped between power permanent magnet.
Further, the U-shaped hybrid permanent magnet structure and V-type permanent-magnet structure have same symmetry axis.
Further, the magnetizing direction of first High-coercivity Permanent Magnets and the second High-coercivity Permanent Magnets is rotor
Tangential, radial direction of the magnetizing direction of the low-coercivity permanent magnet for rotor core circumference of iron core circumference, U-shaped hybrid permanent magnet knot
The magnetizing directions of second High-coercivity Permanent Magnets of the two sides of structure on the contrary, the first high-coercive force of the two sides of V-type permanent-magnet structure forever
The magnetizing direction of magnet on the contrary, the second High-coercivity Permanent Magnets and the first high-coercive force adjacent in double-deck permanent magnetism area the side of magnetizing
To identical.
Further, the magnetizing direction phase of the second High-coercivity Permanent Magnets adjacent between the adjacent double-deck permanent magnetism area
Together.
Further, the double-deck permanent magnetism area is equipped with even number.
The advantages of technical solution provided by the present invention, is:
1, rotor composite magnetic circuit uses double-layer structure, and " V " type high-coercive force permanent magnetism two sides, which can provide, fills degaussing bypass, solves
For conventional serial type since pulse magnetic regulation field is by two kinds of permanent magnets, adjustable magnetic low efficiency and air-gap field adjustable range be wide
The problems such as；
2, series circuit may make stabilization of operating point under low-coercivity permanent magnetism load running, can further improve motor torque
Density；
3, when parallel circuits can guarantee weak magnetic, permanent magnetic field is most of in internal rotor short circuit, is obviously improved adjustable magnetic ability；
4, adjustable magnetic is carried out using short-time pulse electric current, almost without excitation copper loss, and low-coercivity permanent magnetism can fill repeatedly online
Degaussing.
5, driving adjustable magnetic control strategy can still use for reference conventional vector control technology, and controller is simple, it is easy to accomplish.
Detailed description of the invention
Fig. 1 is electric machine structure schematic diagram of the invention.
Fig. 2 is the no-load magnetic field distribution map under present invention increasing magnetic operation.
Fig. 3 is the no-load magnetic field distribution map under weak magnetic field operation of the present invention.
Specific embodiment
Below with reference to embodiment, the invention will be further described, it should be understood that these embodiments be merely to illustrate the present invention and
It is not used in and limits the scope of the invention, after the present invention has been read, those skilled in the art are to various equal similar shapes of the invention
The modification of formula is fallen in the application range as defined in the appended claims.
Incorporated by reference to shown in Fig. 1 to Fig. 3, bilayer permanent magnetism composite magnetic circuit memory electrical machine involved in the present embodiment, including stator
1, armature winding 4, hybrid permanent magnet rotor 2 and non-magnetic shaft 3.In hybrid permanent magnet rotor exterior, stator includes fixed for stator setting
Sub- core tooth 1.1, stator yoke 1.2 and the armature winding 4 being located in stator core tooth, stator core tooth 1.1 are arranged in stator yoke
Between 1.2 and hybrid permanent magnet rotor 2, cavity 1.3 is formed between adjacent stator core tooth 1.1, is wrapped in stator iron for placing
Threephase armature winding 4 on heart tooth 1.1.
Hybrid permanent magnet rotor 2 includes rotor core 2.1, and rotor core 2.1 is set to outside non-magnetic shaft 3, rotor iron
The circumferential direction of the heart 2.1 is evenly equipped with several even number bilayer permanent magnetism areas.Rotor core 2.1 and stator between the adjacent double-deck permanent magnetism area
The first air-gap 5 is equipped between 1.
The double-deck permanent magnetism area includes U-shaped hybrid permanent magnet structure and V-type permanent-magnet structure.U-shaped hybrid permanent magnet structure and V-type permanent magnetism knot
Structure has same symmetry axis.V-type permanent-magnet structure is made of the first High-coercivity Permanent Magnets 2.2, and U-shaped hybrid permanent magnet structure is rectified by low
Stupid power permanent magnet 2.4 and the second High-coercivity Permanent Magnets 2.3 are constituted.
The opening of U-shaped hybrid permanent magnet structure is towards stator 1, by the second High-coercivity Permanent Magnets in U-shaped hybrid permanent magnet structure
2.3 constitute U-shaped two sides, are made of U-shaped bottom low-coercivity permanent magnet 2.4, the second High-coercivity Permanent Magnets 2.3 and low rectify
It is equipped with third air-gap 6 between stupid power permanent magnet 2.4, is equipped with the 4th air-gap 7 between adjacent low-coercivity permanent magnet 2.4.
Low-coercivity permanent magnet 2.4 two-way can magnetize to realize the flexible on-line control of air-gap field, the second High-coercivity Permanent Magnets
2.3 with low-coercivity permanent magnet 2.4 on magnetic circuit be in parallel relationship.
The opening of V-type permanent-magnet structure is towards stator 1, and V-type permanent-magnet structure is set in the opening of U-shaped hybrid permanent magnet structure, V
Type permanent-magnet structure is made of the two sides of V-type two the first High-coercivity Permanent Magnets 2.2.First High-coercivity Permanent Magnets 2.2 with it is low
Coercivity permanent magnet 2.4 forms tandem type magnetic circuit, plays the role of stable 2.4 operating point of low-coercivity permanent magnet.The double-deck permanent magnetism
The second air-gap 2.5 is equipped in area between adjacent the second High-coercivity Permanent Magnets 2.3 and the first High-coercivity Permanent Magnets 2.2,
Second air-gap 2.5 is extended from U-shaped bottom to stator 1.
The magnetizing direction of first High-coercivity Permanent Magnets 2.2 and the second High-coercivity Permanent Magnets 2.3 is rotor core 2.1
Circumference it is tangential, the magnetizing direction of low-coercivity permanent magnet 2.4 is the radial direction of rotor core circumference.U-shaped hybrid permanent magnet structure
The magnetizing directions of second High-coercivity Permanent Magnets 2.3 of two sides on the contrary, the two sides of V-type permanent-magnet structure the first high-coercive force permanent magnetism
The magnetizing direction of body 2.2 is opposite.Adjacent the second High-coercivity Permanent Magnets 2.3 and the first high-coercive force 2.2 in the double-deck permanent magnetism area
Magnetizing direction it is identical.The magnetizing direction of the second adjacent High-coercivity Permanent Magnets 2.3 in the adjacent double-deck permanent magnetism area is identical.
The operation logic of bilayer permanent magnetism composite magnetic circuit memory electrical machine disclosed by the invention is as follows:
Permanent magnet flux is first from the arctic of the first High-coercivity Permanent Magnets 2.2 of V-type permanent-magnet structure, a part of magnetic flux
Across rotor core 2.1, by air gap, 1.1 core tooth of stator is reached, stator yoke 1.2 is then passed through, returns to the with identical path
Then the South Pole of one High-coercivity Permanent Magnets 2.2 is then passed through low-coercivity permanent magnet 2.4, realize and load steady magnetic action；And it is another
Part magnetic flux realizes field circuit through the second High-coercivity Permanent Magnets 2.3.Consider the magnetization of low-coercivity permanent magnet 2.4 at this time
Direction, if low-coercivity permanent magnet 2.4 is radially identical as 2.3 direction of magnetization of the second High-coercivity Permanent Magnets, low coercive at this time
Power permanent magnet 2.4, which is in, increases magnetic state, equidirectional flowing after three pieces of permanent magnet magnetic flux superpositions；If 2.4 edge of low-coercivity permanent magnet
It is radial with 2.3 direction of magnetization of the second High-coercivity Permanent Magnets on the contrary, low-coercivity permanent magnet 2.4 is in weak magnetic state at this time,
Most of magnetic flux by with the magnetic flux of the first High-coercivity Permanent Magnets 2.2 in 2 internal short-circuit of rotor.At the same time, armature around
Group 4 is passed through and the consistent three-phase alternating current of 2 revolving speed of rotor, the rotating excitation field interaction that rotor is formed, to realize machine
Electric energy conversion.Increased each air-gap structure can weaken High-coercivity Permanent Magnets to the intersection of low-coercivity permanent magnet
Demagnetizing effect is coupled, the operating point of low-coercivity permanent magnet is stablized.
Claims (9)
1. a kind of bilayer permanent magnetism composite magnetic circuit memory electrical machine, which is characterized in that including hybrid permanent magnet rotor, stator, armature winding
And shaft, the armature winding are arranged on stator, in hybrid permanent magnet rotor exterior, the hybrid permanent magnet turns for the stator setting
Attached bag includes rotor core, and the rotor core is set to outside the shaft, and the circumferential direction of the rotor core is evenly equipped with several double
Floor permanent magnetism area, the bilayer permanent magnetism area include U-shaped hybrid permanent magnet structure and V-type permanent-magnet structure, in the U-shaped hybrid permanent magnet structure
U-shaped two sides are made of the second High-coercivity Permanent Magnets, U-shaped bottom is made of low-coercivity permanent magnet, and described second is high strong
Stupid power permanent magnet and low-coercivity permanent magnet constitute parallel connection type magnetic circuit, and the opening of the U-shaped hybrid permanent magnet structure is towards described fixed
Son, the V-type permanent-magnet structure are set in the opening of the U-shaped hybrid permanent magnet structure, and the V-type permanent-magnet structure is high strong by first
Stupid power permanent magnet constitutes the two sides of the V-type, and first High-coercivity Permanent Magnets and low-coercivity permanent magnet constitute tandem type
Magnetic circuit, the opening of the V-type permanent-magnet structure is towards the stator.
2. bilayer permanent magnetism composite magnetic circuit memory electrical machine according to claim 1, which is characterized in that the adjacent bilayer is forever
The first air-gap is equipped between rotor core and the stator between magnetic region.
3. bilayer permanent magnetism composite magnetic circuit memory electrical machine according to claim 1, which is characterized in that in the bilayer permanent magnetism area
The second air-gap is equipped between adjacent second High-coercivity Permanent Magnets and the first High-coercivity Permanent Magnets, described second is empty
Air gap extends from the U-shaped bottom to the stator.
4. bilayer permanent magnetism composite magnetic circuit memory electrical machine according to claim 1, which is characterized in that in the bilayer permanent magnetism area
Third air-gap is equipped between second High-coercivity Permanent Magnets and low-coercivity permanent magnet.
5. bilayer permanent magnetism composite magnetic circuit memory electrical machine according to claim 1, which is characterized in that in the bilayer permanent magnetism area
There are two the low-coercivity permanent magnet is set, the 4th air-gap is equipped between the adjacent low-coercivity permanent magnet.
6. bilayer permanent magnetism composite magnetic circuit memory electrical machine according to claim 1, which is characterized in that the U-shaped hybrid permanent magnet
Structure and V-type permanent-magnet structure have same symmetry axis.
7. bilayer permanent magnetism composite magnetic circuit memory electrical machine according to claim 1, which is characterized in that first high-coercive force
The magnetizing direction of permanent magnet and the second High-coercivity Permanent Magnets is the tangential of rotor core circumference, the low-coercivity permanent magnet
Magnetizing direction be rotor core circumference radial direction, the second High-coercivity Permanent Magnets of the two sides of U-shaped hybrid permanent magnet structure fill
Magnetic direction on the contrary, the magnetizing direction of the first High-coercivity Permanent Magnets of the two sides of V-type permanent-magnet structure on the contrary, phase in the double-deck permanent magnetism area
The magnetizing direction of adjacent the second High-coercivity Permanent Magnets and the first high-coercive force is identical.
8. bilayer permanent magnetism composite magnetic circuit memory electrical machine according to claim 1, which is characterized in that the adjacent double-deck permanent magnetism
The magnetizing direction of the second adjacent High-coercivity Permanent Magnets is identical between area.
9. bilayer permanent magnetism composite magnetic circuit memory electrical machine according to claim 1, which is characterized in that the bilayer permanent magnetism area is set
There is even number.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811107064.6A CN109194078B (en) | 2018-09-21 | 2018-09-21 | Double-layer permanent magnet composite magnetic circuit memory motor |
| PCT/CN2019/079176 WO2020057081A1 (en) | 2018-09-21 | 2019-03-22 | Double-layer permanent magnet compound magnetic circuit memory motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811107064.6A CN109194078B (en) | 2018-09-21 | 2018-09-21 | Double-layer permanent magnet composite magnetic circuit memory motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109194078A true CN109194078A (en) | 2019-01-11 |
| CN109194078B CN109194078B (en) | 2020-04-24 |
Family
ID=64909300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811107064.6A Active CN109194078B (en) | 2018-09-21 | 2018-09-21 | Double-layer permanent magnet composite magnetic circuit memory motor |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109194078B (en) |
| WO (1) | WO2020057081A1 (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109831083A (en) * | 2019-04-08 | 2019-05-31 | 哈尔滨工业大学 | The built-in U-shaped series-parallel adjustable flux permanent magnet synchronous motor of mixed magnetic circuit of "-" type- |
| CN109936230A (en) * | 2019-03-28 | 2019-06-25 | 东南大学 | A kind of series circuit type two-layer hybrid permanent magnetism memory electrical machine |
| CN109980878A (en) * | 2019-04-08 | 2019-07-05 | 哈尔滨工业大学 | The U-shaped series-parallel adjustable flux permanent magnet synchronous motor of mixed magnetic circuit of internal type V- |
| WO2020057081A1 (en) * | 2018-09-21 | 2020-03-26 | 东南大学 | Double-layer permanent magnet compound magnetic circuit memory motor |
| CN111463940A (en) * | 2020-06-19 | 2020-07-28 | 宁波海特技术转移有限公司 | Built-in magnet steel permanent magnet motor rotor, motor and vehicle |
| CN111969742A (en) * | 2020-08-03 | 2020-11-20 | 东南大学 | Series-parallel magnetic pole type hybrid permanent magnet memory motor |
| CN113472247A (en) * | 2021-08-05 | 2021-10-01 | 威海西立电子有限公司 | Self-generating control method, control device and system for traveling crane |
| CN113472170A (en) * | 2021-08-05 | 2021-10-01 | 威海西立电子有限公司 | Variable magnetic flux permanent magnet synchronous motor, control method and control system |
| CN113472246A (en) * | 2021-08-05 | 2021-10-01 | 威海西立电子有限公司 | Self-generating control method, control device and system for traveling crane |
| CN113644768A (en) * | 2021-08-13 | 2021-11-12 | 北京中科三环高技术股份有限公司 | Motor rotor and IPM motor |
| CN113794299A (en) * | 2021-09-14 | 2021-12-14 | 珠海格力节能环保制冷技术研究中心有限公司 | Rotor subassembly, motor, compressor, air conditioner |
| CN113964981A (en) * | 2021-11-11 | 2022-01-21 | 东南大学 | Self-leakage variable magnetic flux memory motor with hybrid permanent magnet rotor |
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