CN104038028A - Coreless type megawatt superconducting motor system - Google Patents

Coreless type megawatt superconducting motor system Download PDF

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Publication number
CN104038028A
CN104038028A CN201410290433.5A CN201410290433A CN104038028A CN 104038028 A CN104038028 A CN 104038028A CN 201410290433 A CN201410290433 A CN 201410290433A CN 104038028 A CN104038028 A CN 104038028A
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coil
magnet exciting
superconducting
exciting coil
coreless
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CN104038028B (en
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金建勋
姜在强
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University of Electronic Science and Technology of China
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University of Electronic Science and Technology of China
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E40/00Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/60Superconducting electric elements or equipment; Power systems integrating superconducting elements or equipment

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Abstract

The invention discloses a coreless type megawatt superconducting motor system. The coreless type megawatt superconducting motor system comprises a superconducting rotor of coreless structure, wherein the superconducting rotor of the coreless structure comprises a coil skeleton, superconducting excitation coils and a torque tube connected with the coil skeleton, the superconducting energizing coils are wound around the upper surface and the lower surface of the coil skeleton and wound in convolution U structure, each two adjacent effective excitation edges are parallel to each other and respectively form a positive pole and a negative pole in a pair of magnetic poles, the effective excitation edges of the superconducting energizing coil wound around the upper surface of the coil skeleton and the effective excitation edges of the superconducting energizing coil wound around the lower surface of the coil skeleton are symmetric around the coil skeleton, and exciting current directions of each two effective excitation edges which are symmetric around the coil skeleton are the same. Compared with the prior art, the coreless type megawatt superconducting motor system has better excitation effects and mechanical properties than a track type excitation coil through structure design of the superconducting excitation coils, the support skeleton of the superconducting excitation coils and the torque tube, and can commendably solve the problems of excitation effect reduction, mechanical stress change and support protection reduction of the superconducting excitation coils, generated after iron cores are removed.

Description

A kind of coreless MW class superconducting motor system
Technical field
The present invention relates to a kind of coreless MW class superconducting motor system with convolution U-shaped structure superconduction magnet exciting coil.
Background technology
The advantage of superconducting motor maximum is that efficiency is high, volume is little, lightweight.Large-size machine system for ten more than megawatt, as blower fan, Ship Propeling motor, can adopt core structure to retrain magnetic circuit, add high-intensity magnetic field conventionally on rotor, superconduction magnet exciting coil is played a supporting role in protection simultaneously.Yet core structure also has its negative effect, as have magnetic saturation phenomenon, the linearity that affects air gap flux density increases, and has greatly increased the quality of system simultaneously, has increased the difficulty of transportation and assembling.In theory, adopt hollow-core construction can solve well the above-mentioned problem of being brought by core structure, but owing to having removed iron core, not only make excitation effect have a greatly reduced quality, and the active force such as centrifugal force and Lorentz force will act directly on superconduction magnet exciting coil, especially particularly evident to the effect of racetrack magnet exciting coil separate in structure, in severe situation, during as short trouble, will cause the deformation of superconductor even to rupture, have a strong impact on the normal work of whole system.
Summary of the invention
Object of the present invention is exactly for the deficiencies in the prior art; a kind of coreless MW class superconducting motor system is provided; by the structural design to superconduction magnet exciting coil and support frame and torque tube; have than the better excitation effect of racetrack magnet exciting coil and mechanical performance, can solve well due to the excitation effect of removing the superconduction magnet exciting coil bringing after iron core, mechanical stress and an overfill protection problem.
For achieving the above object, technical scheme of the present invention is as follows:
A kind of coreless MW class superconducting motor system that the present invention proposes, comprises superconducting rotor and the cryogenic refrigerating unit of conventional stator, iron-core-free structure; Described rotor comprises coil rack, is wound on the superconduction magnet exciting coil on coil rack, and the torque tube being connected with coil rack.Superconduction magnet exciting coil all has coiling (real in cylindrical at superconducting motor system coil skeleton, the outer surface of coil rack and inner surface are all wound with superconduction magnet exciting coil) at upper surface and the lower surface of coil rack; Superconduction magnet exciting coil is convolution U-shaped structure, and adjacent two effective excitation limits are parallel to each other, form respectively the negative or positive electrode in a pair of magnetic pole, as long as connect the flexibility that the arc end on adjacent two effective excitation limits meets superconducting tape or wire rod; Effective excitation frontier juncture of the superconduction magnet exciting coil of effective excitation limit of the superconduction magnet exciting coil of coil rack upper surface (being coil rack outer surface) coiling and coil rack lower surface (being coil rack inner surface) coiling is symmetrical in coil rack, and the exciting current direction on two effective excitation limits that are mutually symmetrical is identical.With respect to separate racetrack magnet exciting coil, superconduction magnet exciting coil of the present invention is convolution U-shaped structure by superconducting tape or wire rod series connection, form an integral body, and be wound on coil rack, like this dispersive stress of racetrack magnet exciting coil is applied on coil rack and whole superconduction magnet exciting coil, can obtains better mechanical performance, simultaneously two effective excitation limits compacter, that be mutually symmetrical in structure, after the exciting current passing in the same way, can obtain better magnetic signature.
The preferred version of the above-mentioned superconduction magnet exciting coil of coiling is: on a coil rack, the upper and lower surface of this coil rack (in outer surface) all have be convolution U-shaped structure, for the groove of superconducting tape or wire rod coiling, the groove that the groove structure of upper and lower surface differs 180 ° and upper and lower surface in phase place is communicated with.The structure finally obtaining is, the integral body that the superconduction magnet exciting coil of the superconduction magnet exciting coil of coil rack upper surface coiling and the coiling of coil rack lower surface forms for the superconducting tape that is connected with series connection form or the successive coiling of wire rod.
The scheme of the above-mentioned superconduction magnet exciting coil of coiling can be also: on a coil rack, the upper and lower surface of this coil rack (in outer surface) all have be convolution U-shaped structure, for the groove of superconducting tape or wire rod coiling, it is separate in 180 ° and structure that the groove structure of upper and lower surface differs in phase place; Superconducting tape or wire rod are wound on respectively the upper and lower surface of coil rack.The structure finally obtaining is that the superconduction magnet exciting coil of the superconduction magnet exciting coil of coil rack upper surface coiling and the coiling of coil rack lower surface is independent of one another.
Described superconduction magnet exciting coil can be by YBCO belt material of high temperature superconduct, BSCCO belt material of high temperature superconduct and MgB 2three kinds of superconductor parallel connections of low-temperature superconducting wire are wound on coil rack and form, the distance of three kinds of superconductor range line ring frameworks is different (is that coil rack is while being cylindrical, three kinds of superconductors are radially arranging along coil rack successively), three kinds of superconductors are arranged as MgB successively along the direction near coil racks 1 2low-temperature superconducting wire, BSCCO belt material of high temperature superconduct and YBCO belt material of high temperature superconduct.At present, on market, the price of the YBCO belt material of high temperature superconduct of equal length is MgB 27.5 times of low-temperature superconducting wire, the BSCCO belt material of high temperature superconduct price of equal length is Mg 25 times of B low-temperature superconducting wire; According to the critical magnetic field characteristic of three kinds of superconductors, and in conjunction with the characteristics of magnetic field distribution of " interior strong outer weak " of superconduction magnet exciting coil, coiling superconduction magnet exciting coil after three kinds of superconductor parallel connections can be reduced production costs greatly.In addition, by three kinds of superconductors and be unified into an integral body, can reduce to a certain extent vertical magnetic field B impact on Some Characteristics of Superconducting Material.Due to three kinds of superconductor critical magnetic field B cdescending being followed successively by: YBCO belt material of high temperature superconduct, BSCCO belt material of high temperature superconduct and Mg 2b low-temperature superconducting wire, thus according to the winding arrangement shown in Fig. 8, by interior (near coil rack one side) to outside, be followed successively by YBCO belt material of high temperature superconduct, BSCCO belt material of high temperature superconduct and Mg 2b low-temperature superconducting wire.
Superconduction magnet exciting coil and coil rack encapsulate as a whole by epoxy resin impregnated or other all feasible encapsulation technologies, and reinforce by supplementary structure.
Described torque tube is folded double-layered structure, along effective excitation limit of superconduction magnet exciting coil, extends; Torque tube has rectangular opening in the direction along the effective excitation of superconduction magnet exciting coil limit, to reduce equivalent area and the thermal radiation of torque tube.The top stiff end of torque tube is fixedly connected with coil rack, and the bottom stiff end of torque tube is fixedly connected with rotor supporting structure; Torque tube is realized the support of superconduction magnet exciting coil and moment of torsion transmission, and the transition of realization from " low-temperature end " (bottom stiff end of torque tube) to " normal temperature end " (rotor supporting structure), final and normal temperature rotor supporting structure is fixed, and realizes the support to whole rotor structure.The glass fiber compound material that described torque tube is large by mechanical strength, thermal conductivity is low is made; In torque tube structure, join end to end, guaranteed mechanical strength; Equivalent area is little, along effective excitation limit of superconduction magnet exciting coil, extends, and has reduced the thermal radiation to superconducting coil by torque tube.
Be provided with the cold screen matching with torque tube structure, for reducing thermal radiation, described cold screen has three layers of heat-insulating shield; Wherein top layer heat-insulating shield is placed in the superconduction magnet exciting coil top (being placed in the superconduction magnet exciting coil outside of coil rack outer surface coiling) of coil rack upper surface coiling, for preventing the thermal radiation of armature winding; Two-layer heat-insulating shield is placed in respectively between torque tube inside and outside two-layer in addition and torque tube below (being torque tube inner side), for the thermal radiation to from torque tube, shields fully.Described cold screen is freezed by one-level cold head, and temperature is in 40K left and right; Superconduction magnet exciting coil is freezed by secondary cold head.
The rotor axial length of described MW class superconducting motor system is greater than 1 (i.e. " long-shaft type " MW class superconducting motor system) with the ratio of radical length, and root diameter is 1.2-1.5m.This type of large capacity superconducting motor system is used for Ship Propeling.For " major axis " type MW class superconducting motor system, the structure of its cryogenic refrigerating unit is carried out to particular design, cryogenic refrigerating unit is rotated with rotor synchronous, effectively avoid the negative effects of problem to refrigerating system such as low-temperature rotary joint sealing, thermal radiation and heat convection.Described cryogenic refrigerating unit comprise be successively connected have oily screw compressor, the aftercooler that is tied with cooling water pipe on it, oil eliminator, surge tank and a cold head; Cold head is fixed on rotor, has oily screw compressor, aftercooler, oil eliminator and surge tank to be fixed on the fixed head of rotating shaft, with rotor and rotating shaft synchronous rotary; The swivel joint that leads in/out recirculated cooling water for cooling water pipe is connected with rotor shaft, and the slip ring of powering for compressor is compounded on swivel joint; Cold head gos deep into vacuum screen and conducts cooling to superconduction magnet exciting coil and cold screen.
Compared with prior art, the invention has the beneficial effects as follows: adopt the equal coiling convolution U-shaped structure superconduction magnet exciting coil of coil rack upper and lower surface and laterally zygomorphic two effective excitation limit exciting current directions identical, superconduction excitation coil structure of the present invention is had than the better excitation effect of traditional racetrack magnet exciting coil; Adopt to form a whole superconduction magnet exciting coil, and be wound on coil rack, the dispersive stress of racetrack magnet exciting coil is applied on coil rack and whole superconduction magnet exciting coil, can obtain better mechanical performance; Due to the supporting role of coil rack and adopted the torque tube of folded double-layered structure, can solve well due to mechanical stress and an overfill protection problem of removing the superconduction magnet exciting coil bringing after iron core; Adopt and torque tube structure cold screen that match, that there are three layers of heat-insulating shield, can solve well the thermal radiation problem of torque transfer structure, guarantee the stable low temperature environment of superconduction magnet exciting coil; For the feature of MW class superconducting motor " major axis ", adopt the cryogenic refrigerating unit with rotor and rotating shaft synchronous rotary, effectively avoided the negative effects of problem to refrigerating system such as low-temperature rotary joint sealing, thermal radiation and heat convection.
Accompanying drawing explanation
Fig. 1 is the structural representation of coreless MW class superconducting motor system.
Fig. 2 is the superconduction magnet exciting coil that the is wound on coil rack upper and lower surface structural representation while holding together.
Fig. 3 is wound on the superconduction magnet exciting coil of coil rack upper and lower surface perspective view when independent of one another.
Fig. 4 is the actual coil rack using in coreless MW class superconducting motor system and the perspective view of superconduction magnet exciting coil after moulding.
Fig. 5 is the perspective view of torque tube.
Fig. 6 is the perspective view of cold screen.
Fig. 7 is the perspective view of coreless MW class superconducting motor system.
Fig. 8 is the structural representation of the superconduction magnet exciting coil of three kinds of superconductor coilings in embodiment 3.
Number in the figure is as follows:
1 coil rack 2 superconduction magnet exciting coils
3 torque tube 4 effective excitation limits
5 top stiff end 6 rectangular openings
7 bottom stiff end 8 rotor supporting structures
9 heat-insulating shield 10 one-level cold heads
11 secondary cold head 12 compressors
13 aftercooler 14 oil eliminators
15 surge tank 16 rotating shafts
17 swivel joint 18 vacuum screens
19 fixed head 20 MgB2 low-temperature superconducting wires
21 BSCCO belt material of high temperature superconduct 22 YBCO belt material of high temperature superconduct
Embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are further described.
Embodiment 1
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7.Build a coreless MW class superconducting motor system, comprise superconducting rotor and the cryogenic refrigerating unit of conventional stator, iron-core-free structure; Described rotor axial length is 1.5m, and root diameter is 1.2m.Concrete structure: stator is double-deck copper armature winding.Described rotor comprises coil rack 1, adopts YBCO belt material of high temperature superconduct to be wound on the superconduction magnet exciting coil 2 on coil rack 1, and the torque tube 3 being connected with coil rack 1.In the upper and lower surface of a coil rack 1, all offer the groove that is convolution U-shaped structure, the groove structure of upper and lower surface differs 180 ° and be interconnected in phase place; YBCO superconducting tape starts coiling from upper surface groove top, coiling is to upper surface notch end, then through upper and lower surface groove Connectivity Section, be transitioned into lower surface groove and continue coiling, when lower surface notch end is arrived in coiling, through upper and lower surface groove Connectivity Section, be transitioned into again upper surface groove and continue coiling, the integral body that the final superconduction magnet exciting coil 2 of coil rack 1 upper surface coiling and the superconduction magnet exciting coil of coil rack 1 lower surface coiling 2 form for the successive coiling of YBCO superconducting tape being connected with series connection form; Then the coil rack 1 of the good superconduction magnet exciting coil 2 of coiling is bent to cylindrically, the outer surface of coil rack 1 and inner surface are all wound with superconduction magnet exciting coil 2.The superconduction magnet exciting coil 2 forming structurally has following features: superconduction magnet exciting coil 2 is convolution U-shaped structure, and adjacent two effective excitation limits 4 are parallel to each other, form respectively the negative or positive electrode in a pair of magnetic pole; Effective excitation limit 4 of effective excitation limit 4 of the superconduction magnet exciting coil 2 of coil rack 1 upper surface (being outer surface) coiling and the superconduction magnet exciting coil 2 of coil rack 1 lower surface (being inner surface) coiling is about coil rack 1 symmetry, and the exciting current direction on two effective excitation limits 4 that are mutually symmetrical is identical.The superconduction magnet exciting coil 2 of interior outer surface has respectively 13 effective excitation limits 4, forms 6 pairs of utmost points.
Superconduction magnet exciting coil 2 is as a whole by epoxy resin impregnated encapsulation with coil rack 1, by coil rack 1, be fixedly connected with the top stiff end 5 of torque tube 3, the bottom stiff end 7 of torque tube 3 is fixedly connected with rotor supporting structure 8, the support being realized whole rotor structure by rotor supporting structure 8.Torque tube 3 is made by G10 glass fiber compound material, is folded double-layered structure, along effective excitation limit 4 of superconduction magnet exciting coil 2, extends, and in the direction along superconduction magnet exciting coil 2 effective excitation limits 4, has rectangular opening 6.
Be provided with the cold screen matching with torque tube 3 structures, described cold screen has three layers of heat-insulating shield 9, top layer heat-insulating shield 9 is placed in superconduction magnet exciting coil 2 outsides of coil rack 1 outer surface coiling, and wherein two-layer heat-insulating shield 9 is placed in respectively between torque tube 3 inside and outside two-layer and torque tube 3 inner sides.Described cold screen is by one-level cold head 10 refrigeration, and temperature is 40K; Superconduction magnet exciting coil 2 is by secondary cold head 11 refrigeration.
Described cryogenic refrigerating unit comprise be successively connected have oily screw compressor 12, the aftercooler 13 that is tied with cooling water pipe on it, oil eliminator 14, surge tank 15 and a cold head; Cold head is fixed on rotor, has oily screw compressor 12, aftercooler 13, oil eliminator 14 and surge tank 15 to be fixed on the fixed head 19 of rotating shaft 16, with rotor and rotating shaft 16 synchronous rotaries; The swivel joint 17 that leads in/out recirculated cooling water for cooling water pipe is connected with rotor shaft 16, and the slip ring of powering for compressor 12 is compounded on swivel joint 17; Cold head gos deep into vacuum 18 pairs of superconduction magnet exciting coils 2 of screen and cold screen conducts cooling.
Embodiment 2
The place identical with embodiment 1 be repeated description no longer, and difference is: described rotor axial length is 2.0m, and root diameter is 1.5m.Adopt low temperature superconducting material MgB 2wire rod is wound on becomes superconduction magnet exciting coil 2 on coil rack 1.Separate on the groove structure of coil rack 1 upper and lower surface, MgB 2wire rod is wound on respectively the upper and lower surface of coil rack 1, and the superconduction magnet exciting coil 2 of final coil rack 1 upper surface coiling is independent of one another with the superconduction magnet exciting coil 2 of coil rack 1 lower surface coiling.
Embodiment 3
The place identical with embodiment 1 be repeated description no longer, and difference is: by YBCO belt material of high temperature superconduct 22, BSCCO belt material of high temperature superconduct 21 and MgB 220 3 kinds of superconductor parallel connections of low-temperature superconducting wire, are wound on and on coil rack 1, form 2, three kinds of superconductors of superconduction magnet exciting coil and arrange successively as MgB along the direction near coil racks 1 2low-temperature superconducting wire 20, BSCCO belt material of high temperature superconduct 21 and YBCO belt material of high temperature superconduct 22 (concrete structure is as shown in Figure 8), off-line ring framework 1 farthest be MgB 2low-temperature superconducting wire 20, the most close coil rack 1 be YBCO belt material of high temperature superconduct 22; The integral body that the superconduction magnet exciting coil 2 of final coil rack 1 upper and lower surface coiling forms for the successive coiling of superconductor in parallel connecting with series connection form.

Claims (10)

1. a coreless MW class superconducting motor system, the superconducting rotor and the cryogenic refrigerating unit that comprise conventional stator, iron-core-free structure, it is characterized in that: described rotor comprises coil rack (1), be wound on the superconduction magnet exciting coil (2) on coil rack (1), and the torque tube (3) being connected with coil rack (1); Superconduction magnet exciting coil (2) all has coiling at upper surface and the lower surface of coil rack (1); Superconduction magnet exciting coil (2) is convolution U-shaped structure, and adjacent two effective excitation limits (4) are parallel to each other, form respectively the negative or positive electrode in a pair of magnetic pole; Effective excitation limit (4) of the superconduction magnet exciting coil (2) of effective excitation limit (4) of the superconduction magnet exciting coil (2) of coil rack (1) upper surface coiling and coil rack (1) lower surface coiling is about coil rack (1) symmetry, and the exciting current direction on two the effective excitation limits (4) that are mutually symmetrical is identical.
2. coreless MW class superconducting motor system according to claim 1, is characterized in that: the integral body that the superconduction magnet exciting coil (2) of the superconduction magnet exciting coil (2) of coil rack (1) upper surface coiling and coil rack (1) lower surface coiling forms for the superconducting tape that is connected with series connection form or the successive coiling of wire rod; Or the superconduction magnet exciting coil (2) of coil rack (1) upper surface coiling is independent of one another with the superconduction magnet exciting coil (2) of coil rack (1) lower surface coiling.
3. coreless MW class superconducting motor system according to claim 2, is characterized in that: superconduction magnet exciting coil (2) is by YBCO belt material of high temperature superconduct (22), BSCCO belt material of high temperature superconduct (21) and MgB 2(20) three kinds of superconductor parallel connections of low-temperature superconducting wire are wound on the upper formation of coil rack (1), and three kinds of superconductors are arranged as MgB successively along the direction near coil racks 1 2low-temperature superconducting wire (20), BSCCO belt material of high temperature superconduct (21) and YBCO belt material of high temperature superconduct (22).
4. coreless MW class superconducting motor system according to claim 2, is characterized in that: torque tube (3) is folded double-layered structure, along effective excitation limit (4) of superconduction magnet exciting coil (2), extends; The top stiff end (5) of torque tube (3) is fixedly connected with coil rack (1), and the bottom stiff end (7) of torque tube (3) is fixedly connected with rotor supporting structure (8).
5. coreless MW class superconducting motor system according to claim 4, is characterized in that: torque tube (3) has rectangular opening (6) in the direction along the effective excitation limit (4) of superconduction magnet exciting coil (2).
6. coreless MW class superconducting motor system according to claim 5, it is characterized in that: be provided with the cold screen matching with torque tube (3) structure, described cold screen has three layers of heat-insulating shield (9), and wherein two-layer heat-insulating shield (9) is placed in respectively between torque tube (3) inside and outside two-layer and torque tube (3) below.
7. coreless MW class superconducting motor system according to claim 6, is characterized in that: described cold screen is by one-level cold head (10) refrigeration, and superconduction magnet exciting coil (2) is freezed by secondary cold head (11).
8. according to the arbitrary described coreless MW class superconducting motor system of claim 1-7, it is characterized in that: superconduction magnet exciting coil (2) is as a whole by epoxy resin impregnated encapsulation with coil rack (1).
9. according to the arbitrary described coreless MW class superconducting motor system of claim 1-7, it is characterized in that: described rotor axial length is greater than 1 with the ratio of radical length, and root diameter is 1.2-1.5m.
10. coreless MW class superconducting motor system according to claim 9, is characterized in that: described cryogenic refrigerating unit comprises there is oily screw compressor (12), is tied with aftercooler (13), oil eliminator (14), surge tank (15) and the cold head of cooling water pipe on it of being connected successively; Cold head is fixed on rotor, there are oily screw compressor (12), aftercooler (13), oil eliminator (14) and surge tank (15) to be fixed on the fixed head (19) of rotating shaft (16), with rotor and rotating shaft (16) synchronous rotary; The swivel joint (17) that leads in/out recirculated cooling water for cooling water pipe is connected with rotor shaft (16), and the slip ring of powering for compressor (12) is compounded on swivel joint (17); Cold head gos deep into vacuum screen (18) and conducts cooling to superconduction magnet exciting coil (2) and cold screen.
CN201410290433.5A 2014-06-25 2014-06-25 A kind of coreless MW class superconducting motor system Expired - Fee Related CN104038028B (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016066526A1 (en) * 2014-10-27 2016-05-06 Siemens Plc Support of superconducting coils for mri systems
CN112189299A (en) * 2018-06-01 2021-01-05 通用电气公司 Partial cryogenic shield assembly in superconducting generator and method of assembling same
CN112688459A (en) * 2021-03-12 2021-04-20 清华大学 Motor rotor cooling assembly with low-temperature winding and motor
CN113285578A (en) * 2021-06-09 2021-08-20 东南大学 Static seal excitation single-loop superconducting magnetic gear motor and application
CN113316886A (en) * 2018-11-21 2021-08-27 通用电气公司 Superconducting generator driven by wind turbine

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1550061A (en) * 2001-08-30 2004-11-24 Electrical machines for navy vessels based on superconducting technology,
CN1745512A (en) * 2003-01-28 2006-03-08 西门子公司 Machine comprising a rotor and a superconducting rotor winding
CN101019298A (en) * 2004-03-14 2007-08-15 瑞佛路申电动机有限公司 Commercial low cost, high efficiency motor-generator
US20100022396A1 (en) * 2008-07-23 2010-01-28 American Superconductor Corporation Two-Sided Splice for High Temperature Superconductor Laminated Wires

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1550061A (en) * 2001-08-30 2004-11-24 Electrical machines for navy vessels based on superconducting technology,
CN1745512A (en) * 2003-01-28 2006-03-08 西门子公司 Machine comprising a rotor and a superconducting rotor winding
CN101019298A (en) * 2004-03-14 2007-08-15 瑞佛路申电动机有限公司 Commercial low cost, high efficiency motor-generator
US20100022396A1 (en) * 2008-07-23 2010-01-28 American Superconductor Corporation Two-Sided Splice for High Temperature Superconductor Laminated Wires

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016066526A1 (en) * 2014-10-27 2016-05-06 Siemens Plc Support of superconducting coils for mri systems
GB2546656A (en) * 2014-10-27 2017-07-26 Siemens Healthcare Ltd Support of superconducting coils for MRI systems
GB2546656B (en) * 2014-10-27 2019-04-10 Siemens Healthcare Ltd Support of superconducting coils for MRI systems
US10823795B2 (en) 2014-10-27 2020-11-03 Siemens Healthcare Limited Support of superconducting coils for MRI systems
US11467237B2 (en) 2014-10-27 2022-10-11 Siemens Healthcare Limited Support of superconducting coils for MRI systems
CN112189299A (en) * 2018-06-01 2021-01-05 通用电气公司 Partial cryogenic shield assembly in superconducting generator and method of assembling same
CN112189299B (en) * 2018-06-01 2023-10-31 通用电气公司 Partial low temperature shielding assembly in superconducting generator and assembly method thereof
CN113316886A (en) * 2018-11-21 2021-08-27 通用电气公司 Superconducting generator driven by wind turbine
CN112688459A (en) * 2021-03-12 2021-04-20 清华大学 Motor rotor cooling assembly with low-temperature winding and motor
CN112688459B (en) * 2021-03-12 2021-06-22 清华大学 Motor rotor cooling assembly with low-temperature winding and motor
CN113285578A (en) * 2021-06-09 2021-08-20 东南大学 Static seal excitation single-loop superconducting magnetic gear motor and application

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