CN113258712A - High-integration weak-coupling magnetic suspension flywheel battery - Google Patents
High-integration weak-coupling magnetic suspension flywheel battery Download PDFInfo
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- CN113258712A CN113258712A CN202110406005.4A CN202110406005A CN113258712A CN 113258712 A CN113258712 A CN 113258712A CN 202110406005 A CN202110406005 A CN 202110406005A CN 113258712 A CN113258712 A CN 113258712A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/02—Additional mass for increasing inertia, e.g. flywheels
- H02K7/025—Additional mass for increasing inertia, e.g. flywheels for power storage
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- 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
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/14—Stator cores with salient poles
- H02K1/146—Stator cores with salient poles consisting of a generally annular yoke with salient poles
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- 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
- H02K1/24—Rotor cores with salient poles ; Variable reluctance rotors
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K16/00—Machines with more than one rotor or stator
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/08—Structural association with bearings
- H02K7/086—Structural association with bearings radially supporting the rotor around a fixed spindle; radially supporting the rotor directly
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/08—Structural association with bearings
- H02K7/09—Structural association with bearings with magnetic bearings
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
- H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention provides a high-integration weak-coupling magnetic suspension flywheel battery, and belongs to the field of magnetic suspension flywheel batteries. The magnetic suspension flywheel battery comprises a shell, a vacuum chamber, a fixed shaft A, a fixed shaft B, a permanent magnet unloading bearing, 12/4 salient pole units A, 12/4 salient pole units B, H type flywheel rotors and an axial active bearing; the H-shaped flywheel rotor is connected with the rotors of the two 12/4 salient pole units, so that high integration is realized; the difference between the 12/4 salient pole unit A four rotor teeth at intervals of 90 degrees and the 12/4 salient pole unit B four rotor teeth at intervals of 90 degrees on the horizontal plane is 15 degrees, and torque suspension force decoupling is realized through cooperative partition control. Compared with the traditional flywheel battery, the invention has higher torque density and suspension force density, simpler control and important application prospect in the fields of automobile auxiliary power supply, uninterrupted power supply, aerospace and the like.
Description
Technical Field
The invention belongs to the field of magnetic suspension flywheel batteries, and particularly relates to a high-integration weak-coupling magnetic suspension flywheel battery which can be used as an auxiliary power battery and applied to the fields of hybrid electric vehicles, uninterruptible power supplies, urban rail transit, aerospace, energy storage power stations and the like.
Background
The development of new energy technology is vigorous, the energy sources are enriched, the dependence of modern human on single fossil energy is eliminated, and the method is a consensus in most countries in the world. The energy storage technology is one of core technologies of new energy, and can effectively relieve the time and geographical limitations of renewable energy power generation, thereby reducing the power production cost, realizing the electric energy demand side management, reducing the load change of a power grid and eliminating the peak-valley difference. The flywheel energy storage technology is a physical energy storage technology, and during energy storage, a motor is driven by electric energy to drive a flywheel to rotate in an accelerated manner; during discharging, the flywheel drives the generator to generate electricity. The flywheel battery has good charge and discharge performance, specific power and specific capacity which can be several times of those of a lead-acid battery, no pollution to the environment, long service life and good fault-tolerant performance, and has wide application prospect in new energy, space vehicles and military manufacturing.
Disclosure of Invention
In view of this, the invention provides a highly integrated weakly coupled magnetic suspension flywheel battery, which improves the integration level and reduces the coupling between the energy storage torque and the suspension force.
The present invention achieves the above-described object by the following technical means.
A high-integration weak-coupling magnetic suspension flywheel battery comprises a fixed shaft A, a fixed shaft B, a permanent magnet unloading bearing, an axial active bearing and an H-shaped magnetic suspension flywheel motor, wherein the H-shaped magnetic suspension flywheel motor comprises 12/4 salient pole units A, 12/4 salient pole units B and an H-shaped flywheel rotor, the rotor of the 12/4 salient pole unit A is fixed on the inner side of the upper end of the H-shaped flywheel rotor, and the rotor of the 12/4 salient pole unit B is fixed on the inner side of the lower end of the H-shaped flywheel rotor;
the permanent magnet unloading bearing is arranged on the outer side of the fixed shaft A; the lower end of the fixed shaft A is fixed with a stator of 12/4 salient pole unit A, and a gap is arranged between the stator of 12/4 salient pole unit A and a rotor of 12/4 salient pole unit A; the upper end of the fixed shaft B is fixed with a stator of 12/4 salient pole units B, and a gap is formed between the stator of 12/4 salient pole units B and a rotor of 12/4 salient pole units B; the lower end of the fixed shaft B is fixed with an axial active bearing.
In the technical scheme, the upper end of the H-shaped flywheel rotor is also provided with a protrusion A, the protrusion A is positioned above the 12/4 salient pole unit A, and the edge of the protrusion A is aligned with the inner edge of the permanent magnet unloading bearing; the lower end of the H-shaped flywheel rotor is further provided with a protrusion B, the protrusion B is located between the upper portion and the lower portion of the axial driving bearing, and the edge of the protrusion B is aligned with the inner edge of the axial driving bearing.
In the technical scheme, twelve stator teeth of the 12/4 salient pole unit A are axially mirror-symmetrical to twelve stator teeth of the 12/4 salient pole unit B; the 12/4 salient pole unit A has twelve stator teeth which are all wound with windings, the twelve windings respectively form A, B, C three phases, the 12/4 salient pole unit B has twelve stator teeth which are all wound with windings, and the twelve windings respectively form E, F, G three phases.
In the technical scheme, the difference between the 12/4 salient pole unit A four rotor teeth spaced by 90 degrees and the 12/4 salient pole unit B four rotor teeth spaced by 90 degrees is 15 degrees in the horizontal plane.
In the technical scheme, the 12/4 salient pole unit A and the 12/4 salient pole unit B are provided with four rotor teeth, and two opposite rotor teeth form a group.
In the above technical scheme, the inside of the shell is a vacuum chamber.
In the technical scheme, the 12/4 salient pole unit A and the 12/4 salient pole unit B cooperatively work through zone control, and control torque in an inductance rising zone, control suspension force in an inductance upper flat-top zone and control power generation in an inductance falling zone.
The invention has the beneficial effects that:
(1) in the invention, the 12/4 salient pole unit A is fixed on the inner side of the upper end of the H-shaped flywheel rotor, the 12/4 salient pole unit B is fixed on the inner side of the lower end of the H-shaped flywheel rotor, and the H-shaped flywheel rotor and the rotors of the two salient pole units are connected into a whole.
(2) According to the invention, the difference between the 12/4 salient pole unit A four rotor teeth with intervals of 90 degrees and the 12/4 salient pole unit B four rotor teeth with intervals of 90 degrees on the horizontal plane is 15 degrees, the two salient pole units work cooperatively, the control of inductance and suspension force is distributed to different inductance change areas according to the inductance change, the energy storage torque and the suspension force are generated in a time-sharing manner through zone control, and the coupling between the energy storage torque and the suspension force is effectively reduced.
(3) The four-freedom-degree H-shaped magnetic suspension flywheel motor and the axial suspension system (the permanent magnet unloading bearing and the axial driving bearing) provide five-freedom-degree stable suspension for the flywheel battery, so that the friction loss of the system is reduced, the operation efficiency is improved, and the suspension loss of the system is further reduced.
Drawings
FIG. 1 is a schematic diagram of a highly integrated weakly coupled magnetic suspension flywheel battery according to the present invention;
FIG. 2(a) is a structural schematic diagram of 12/4 salient pole unit A of the highly integrated weakly coupled magnetically levitated flywheel battery of the present invention;
FIG. 2(B) is a structural schematic diagram of 12/4 salient pole unit B of the highly integrated weakly coupled magnetically levitated flywheel battery of the present invention;
FIG. 3(a) is an operation principle diagram of 12/4 salient pole unit A of the highly integrated and weakly coupled magnetically levitated flywheel battery of the present invention;
FIG. 3(B) is an operation principle diagram of 12/4 salient pole unit B of the highly integrated and weakly coupled magnetically levitated flywheel battery of the present invention;
FIG. 4(a) is a graph of the inductance of 12/4 salient pole unit A of the highly integrated weakly coupled magnetically levitated flywheel battery of the present invention;
fig. 4(B) is a graph of the inductance of 12/4 salient pole unit B of the highly integrated weakly coupled magnetically levitated flywheel battery of the present invention.
In the figure: 1-vacuum chamber, 2-fixed shaft A, 3-permanent magnet unloading bearing, 4-1-12/4 salient pole unit A, 4-2-12/4 salient pole unit B, 4-3-H type flywheel rotor, 5-axial active bearing, 6-fixed shaft B, 7-protrusion A, 8-protrusion B, 9-shell.
Detailed Description
The invention will be further described with reference to the following figures and specific examples, but the scope of the invention is not limited thereto.
As shown in figure 1, the high-integration weak-coupling magnetic suspension flywheel comprises a shell 11, a vacuum chamber 1, a fixed shaft A2, a fixed shaft B6, a permanent magnet unloading bearing 3, a 12/4 salient pole unit A4-1, a 12/4 salient pole unit B4-2, an H-shaped flywheel rotor 4-3 and an axial active bearing 5. 12/4 salient pole unit A4-1, 12/4 salient pole unit B4-2 and H-shaped flywheel rotor 4-3 constitute H-shaped magnetic suspension flywheel motor.
The inside of the shell 9 is a vacuum chamber 1, and the H-shaped flywheel rotor 4-3 is positioned in the middle of the vacuum chamber 1; the middle positions of the top plate and the bottom plate in the shell 9 are respectively provided with a fixed shaft A2 and a fixed shaft B6 which are coaxially arranged, the top plate in the shell 9 is also provided with a permanent magnet unloading bearing 3, the permanent magnet unloading bearing 3 is positioned outside the fixed shaft A2, the lower end of the fixed shaft A2 is fixedly provided with a stator of a 12/4 salient pole unit A, the outer side of the stator of a 12/4 salient pole unit A4-1 is provided with a rotor of a 12/4 salient pole unit A4-1, a gap is formed between the rotor of the 12/4 salient pole unit A4-1 and the stator of the 12/4 salient pole unit A4-1, the rotor of the 12/4 salient pole unit A4-1 is fixed on the inner side of the upper end of the H-shaped flywheel rotor 4-3, a protrusion A7 is further arranged at the upper end of the H-shaped flywheel rotor 4-3, the protrusion A7 is located above the 12/4 salient pole unit A4-1, and the edge of the protrusion A7 is aligned with the inner edge of the permanent magnet unloading bearing 3; a stator 12/4 salient pole unit B is fixed at the upper end of the fixed shaft B6, a rotor 12/4 salient pole unit B4-2 is arranged outside the stator 12/4 salient pole unit B4-2, a gap is reserved between the rotor 12/4 salient pole unit B4-2 and the stator 12/4 salient pole unit B4-2, and the rotor 12/4 salient pole unit B4-2 is fixed on the inner side of the lower end of the H-shaped flywheel rotor 4-3; the lower end of the fixed shaft B6 is fixed with an axial active bearing 5, the axial active bearing 5 is divided into an upper part and a lower part which are oppositely arranged, and a gap is arranged between the upper part and the lower part; the lower end of the H-shaped flywheel rotor 4-3 is also provided with a projection B8, the projection B8 is positioned between the upper part and the lower part of the axial active bearing 5, and the edge of the projection B8 is aligned with the inner edge of the axial active bearing 5. The bulge A7 provides an axial permanent magnet unloading bearing suspension magnetic circuit for the permanent magnet unloading bearing 3 and provides an axial suspension force for the H-shaped flywheel rotor 4-3. The bulge B7 provides an axial active bearing suspension magnetic circuit for the axial active bearing 5 and provides an axial suspension force for the H-shaped flywheel rotor 4-3.
12/4 the rotor of salient pole unit A4-1 is fixed on the inner side of the upper end of the H-shaped flywheel rotor 4-3, the rotor of 12/4 salient pole unit B4-2 is fixed on the inner side of the lower end of the H-shaped flywheel rotor 4-3, the design is integrated, the center of the traditional flywheel is overlapped with the center of gravity of the energy storage motor, and the controllability and the integration level of the system are improved.
As shown in fig. 2(a) and 2(B), twelve stator teeth (a1, a2, A3, a4, B1, B2, B3, B4, C1, C2, C3, and C4) of 12/4 salient pole unit a4-1 are axially mirror-symmetrical to twelve stator teeth (E1, E2, E3, E4, F1, F2, F3, F4, G1, G2, G3, and G4) of 12/4 salient pole unit B4-2, and four rotor teeth of 12/4 salient pole unit a4-1 spaced by 90 ° are axially different from four rotor teeth of 12/4 salient pole unit B4-2 spaced by 90 °. 12/4 salient pole unit A4-1 and 12/4 salient pole unit B4-2, two opposite rotor teeth form a group, so 12/4 salient pole unit A4-1 and 12/4 salient pole unit B4-2 both have two degrees of freedom, the H-type magnetic suspension flywheel motor can generate four-degree-of-freedom radial suspension force, five-degree-of-freedom suspension of the flywheel battery can be realized only by matching with an axial suspension system (a permanent magnet unloading bearing 3 and an axial driving bearing 5), and the integration level of the system is further improved.
As shown in fig. 3(a) and 3(B), 12/4 salient pole unit a4-1, 12/4 salient pole unit B4-2 have individually controlled windings wound around their stator teeth; the winding on the stator tooth A1, the winding on the stator tooth A2, the winding on the stator tooth A3 and the winding on the stator tooth A4 form an A phase, and the control currents are i respectivelyA1、iA2、iA3、iA4The winding on the stator tooth B1, the winding on the stator tooth B2, the winding on the stator tooth B3 and the winding on the stator tooth B4 form a phase B, and the control currents are i respectivelyB1、iB2、iB3、iB4The winding on the stator tooth C1, the winding on the stator tooth C2, the winding on the stator tooth C3 and the winding on the stator tooth C4 form a C phase, and control currentAre respectively iC1、iC2、iC3、iC4(ii) a The winding on the stator tooth E1, the winding on the stator tooth E2, the winding on the stator tooth E3 and the winding on the stator tooth E4 form an E phase, and the control currents are i respectivelyE1、iE2、iE3、iE4The winding on the stator tooth F1, the winding on the stator tooth F2, the winding on the stator tooth F3 and the winding on the stator tooth F4 form an F phase, and the control currents are i respectivelyF1、iF2、iF3、iF4The winding on the stator tooth G1, the winding on the stator tooth G2, the winding on the stator tooth G3 and the winding on the stator tooth G4 form a G phase, and the control currents are i respectivelyG1、iG2、iG3、iG4。
As shown in FIGS. 4(a), (B), the inductances of 12/4 salient pole unit A4-1 and 12/4 salient pole unit B4-2 vary. Each phase of winding inductance comprises an inductance ascending area 15 degrees, an inductance flat top area 30 degrees and an inductance descending area 15 degrees; 12/4 salient pole unit A4-1 and 12/4 salient pole unit B4-2 cooperate through zone control, control torque in an inductance rising zone, control suspension force in an inductance upper flat-top zone and control power generation in an inductance falling zone. According to different inductance change regions, energy storage torque and levitation force are generated in a time-sharing mode, and coupling between the energy storage torque and the levitation force is effectively reduced.
As shown in fig. 3, 4(a), (b), when the magnetic suspension flywheel battery is in an electric operation state, the torque control and the suspension force control are distributed to an inductance ascending area and an inductance flat top area; between-15 degrees and 75 degrees, the B, C, A three-phase windings of the 12/4 salient pole unit A4-1 are conducted in turn, and the F, G, E three-phase windings of the 12/4 salient pole unit B4-2 are conducted in turn; the torque is respectively controlled by B, C, A phases of 12/4 salient pole units A4-1 between 0-15 degrees, 30-45 degrees and 60-75 degrees; the F, G, E three phases of the 12/4 salient pole unit B4-2 respectively control the torque between-15 degrees to 0 degrees, 15 degrees to 30 degrees and 45 degrees to 60 degrees; the suspension force is respectively controlled by A, B, C three phases of an 12/4 salient pole unit A4-1 between-15 degrees, 45 degrees and 75 degrees; the suspension force is respectively controlled by E, F, G, E phases of 12/4 salient pole units B4-2 between-15 degrees to 0 degrees, 0 degrees to 30 degrees, 30 degrees to 60 degrees and 60 degrees to 75 degrees; the H-type flywheel rotor 4-3 rotates for a circle, and the conduction conditions and control target switching of all the other 270-degree phases are similar to those of-15-75 degrees.
As shown in fig. 3 and 4, when the magnetic suspension flywheel battery is in a power generation operation state, the suspension force control and the power generation control are distributed to an inductance flat top area and an inductance descending area; the suspension force is respectively controlled by A, B, C three phases of an 12/4 salient pole unit A4-1 between-15 degrees, 45 degrees and 75 degrees; the suspension force is respectively controlled by E, F, G, E phases of 12/4 salient pole units B4-2 between-15 degrees to 0 degrees, 0 degrees to 30 degrees, 30 degrees to 60 degrees and 60 degrees to 75 degrees; the C, A, B, C phases of the 12/4 salient pole unit A4-1 control power generation between-15 degrees to 0 degrees, 15 degrees to 30 degrees, 45 degrees to 60 degrees and 75 degrees to 90 degrees; the E, F, G three-phase control power generation of 12/4 salient pole unit B4-2 is between 0-15 degrees, 30-45 degrees and 60-75 degrees; the H-type flywheel rotor 4-3 rotates for a circle, and the conduction conditions and control target switching of all the other 270-degree phases are similar to those of-15-75 degrees.
In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The present invention is not limited to the above-described embodiments, and any obvious improvements, substitutions or modifications can be made by those skilled in the art without departing from the spirit of the present invention.
Claims (9)
1. A high-integration weak-coupling magnetic suspension flywheel battery is characterized by comprising a fixed shaft A (2), a fixed shaft B (6), a permanent magnet unloading bearing (3), an axial active bearing (5) and an H-type magnetic suspension flywheel motor, wherein the H-type magnetic suspension flywheel motor comprises 12/4 salient pole units A (4-1), 12/4 salient pole units B (4-2) and an H-type flywheel rotor (4-3), a rotor of the 12/4 salient pole unit A (4-1) is fixed on the inner side of the upper end of the H-type flywheel rotor (4-3), and a rotor of the 12/4 salient pole unit B (4-2) is fixed on the inner side of the lower end of the H-type flywheel rotor (4-3);
the fixed shaft A (2) and the fixed shaft B (6) are coaxially arranged in the shell (9), and the permanent magnet unloading bearing (3) is arranged on the outer side of the fixed shaft A (2); the lower end of the fixed shaft A (2) is fixed with a stator of 12/4 salient pole unit A (4-1), and a gap is arranged between a rotor of 12/4 salient pole unit A (4-1) and the stator of 12/4 salient pole unit A (4-1); the upper end of the fixed shaft B (6) is fixed with a stator of 12/4 salient pole unit B (4-2), and a gap is arranged between a rotor of 12/4 salient pole unit B (4-2) and the stator of 12/4 salient pole unit B (4-2); the lower end of the fixed shaft B (6) is fixed with an axial active bearing (5).
2. The battery as claimed in claim 1, wherein the H-shaped flywheel rotor (4-3) is further provided with a protrusion a (7) at the upper end, the protrusion a (7) is located above 12/4 salient pole unit a (4-1), and the edge of the protrusion a (7) is aligned with the inner edge of the permanent magnet unloading bearing (3); the lower end of the H-shaped flywheel rotor (4-3) is also provided with a bulge B (8), the bulge B (8) is positioned between the upper part and the lower part of the axial active bearing (5), and the edge of the bulge B (8) is aligned with the inner edge of the axial active bearing (5).
3. The magnetically levitated flywheel battery of claim 1, wherein the 12/4 salient pole unit a (4-1) has twelve stator teeth that are axially mirror symmetric to the 12/4 salient pole unit B (4-2) twelve stator teeth.
4. The magnetically levitated flywheel battery as claimed in claim 1, wherein the 12/4 salient pole unit a (4-1) has four rotor teeth spaced 90 ° apart from the 12/4 salient pole unit B (4-2) has four rotor teeth spaced 90 ° apart by 15 ° in a horizontal plane.
5. The magnetically levitated flywheel battery of claim 3, wherein twelve stator teeth of said 12/4 salient pole unit A (4-1) are wound with windings, and the twelve windings respectively constitute A, B, C three phases.
6. The magnetically levitated flywheel battery of claim 4, wherein twelve stator teeth of the 12/4 salient pole unit B (4-2) are wound with windings, and the twelve windings respectively form E, F, G three phases.
7. The magnetically levitated flywheel battery of claim 4, wherein the 12/4 salient pole unit A (4-1) and 12/4 salient pole unit B (4-2) have four rotor teeth, and two opposing rotor teeth form a set.
8. A magnetically levitated flywheel battery according to claim 1, characterized in that the inside of the housing (9) is a vacuum chamber (1).
9. The magnetically levitated flywheel battery as claimed in claim 1, wherein the 12/4 salient pole unit A (4-1) and the 12/4 salient pole unit B (4-2) cooperate through zone control to control torque in an inductance rising region, control levitation force in an inductance upper plateau region, and control power generation in an inductance falling region.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110406005.4A CN113258712B (en) | 2021-04-15 | 2021-04-15 | High-integration weak-coupling magnetic suspension flywheel battery |
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| CN202110406005.4A CN113258712B (en) | 2021-04-15 | 2021-04-15 | High-integration weak-coupling magnetic suspension flywheel battery |
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| CN113258712B CN113258712B (en) | 2022-07-22 |
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| JP2004232738A (en) * | 2003-01-30 | 2004-08-19 | Koyo Seiko Co Ltd | Flywheel electric power storage device |
| KR20130032607A (en) * | 2011-09-23 | 2013-04-02 | 한국전력공사 | Magnetic bearing and ball bearing combined type flywheel energy storage device |
| CN104410204A (en) * | 2014-11-28 | 2015-03-11 | 江苏大学 | Novel flywheel energy storage device |
| CN105024479A (en) * | 2015-07-23 | 2015-11-04 | 江苏大学 | Flywheel energy storing device |
| CN107070072A (en) * | 2017-03-29 | 2017-08-18 | 江苏大学 | A kind of suspension of five-freedom degree magnetic energy accumulation device for fly wheel |
| CN108471193A (en) * | 2018-03-20 | 2018-08-31 | 江苏大学 | A kind of highly integrated energy accumulation device for fly wheel |
| CN110190706A (en) * | 2019-05-17 | 2019-08-30 | 江苏大学 | A kind of novel H-type flying wheel battery structure for electric vehicle |
-
2021
- 2021-04-15 CN CN202110406005.4A patent/CN113258712B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004232738A (en) * | 2003-01-30 | 2004-08-19 | Koyo Seiko Co Ltd | Flywheel electric power storage device |
| KR20130032607A (en) * | 2011-09-23 | 2013-04-02 | 한국전력공사 | Magnetic bearing and ball bearing combined type flywheel energy storage device |
| CN104410204A (en) * | 2014-11-28 | 2015-03-11 | 江苏大学 | Novel flywheel energy storage device |
| CN105024479A (en) * | 2015-07-23 | 2015-11-04 | 江苏大学 | Flywheel energy storing device |
| CN107070072A (en) * | 2017-03-29 | 2017-08-18 | 江苏大学 | A kind of suspension of five-freedom degree magnetic energy accumulation device for fly wheel |
| CN108471193A (en) * | 2018-03-20 | 2018-08-31 | 江苏大学 | A kind of highly integrated energy accumulation device for fly wheel |
| CN110190706A (en) * | 2019-05-17 | 2019-08-30 | 江苏大学 | A kind of novel H-type flying wheel battery structure for electric vehicle |
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| CN113258712B (en) | 2022-07-22 |
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