WO2007013207A1 - 超電導装置およびアキシャルギャップ型の超電導モータ - Google Patents
超電導装置およびアキシャルギャップ型の超電導モータ Download PDFInfo
- Publication number
- WO2007013207A1 WO2007013207A1 PCT/JP2006/308016 JP2006308016W WO2007013207A1 WO 2007013207 A1 WO2007013207 A1 WO 2007013207A1 JP 2006308016 W JP2006308016 W JP 2006308016W WO 2007013207 A1 WO2007013207 A1 WO 2007013207A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- coil
- field
- superconducting
- magnetic
- iron core
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K53/00—Alleged dynamo-electric perpetua mobilia
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K55/00—Dynamo-electric machines having windings operating at cryogenic temperatures
- H02K55/02—Dynamo-electric machines having windings operating at cryogenic temperatures of the synchronous type
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F6/00—Superconducting magnets; Superconducting coils
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K19/00—Synchronous motors or generators
- H02K19/02—Synchronous motors
- H02K19/10—Synchronous motors for multi-phase current
- H02K19/103—Motors having windings on the stator and a variable reluctance soft-iron rotor without windings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K19/00—Synchronous motors or generators
- H02K19/16—Synchronous generators
- H02K19/22—Synchronous generators having windings each turn of which co-operates alternately with poles of opposite polarity, e.g. heteropolar generators
- H02K19/24—Synchronous generators having windings each turn of which co-operates alternately with poles of opposite polarity, e.g. heteropolar generators with variable-reluctance soft-iron rotors without winding
Definitions
- the present invention relates to a superconducting device, and more particularly, to a coil comprising a superconducting material attached to an iron core, and applied to a motor, a generator, a transformer, and a superconducting power storage device (SMES).
- SMES superconducting power storage device
- it is preferably used for an axial gap type superconducting motor having an inductor.
- Patent Document 1 Japanese Patent Laid-Open No. 6-6907
- generators and transformers are superconducting using superconducting materials.
- superconducting coil 2 is formed at the required location of C-type iron core 1 by pouring a superconducting material with no gap between it and C-type iron core 1, and in the gap la of C-type iron core 1.
- Another magnetic body 5 is arranged.
- the magnetic body 5 may also be composed of an iron core.
- the magnetic flux F2 passes through the air around the superconducting coil 2 and the C-type iron core 1 near the superconducting coil 2 without passing through the gap la.
- the magnitude of the magnetic flux is expressed by the magnetomotive force Z magnetic resistance. If the magnetomotive force is constant, the smaller the magnetic resistance, the larger the magnetic flux. Therefore, the magnetic flux F2 has a large magnetic resistance, (low permeability! ⁇ ) small magnetic resistance only in the air! / ⁇ (high permeability) Passes through the C-type iron core 1, so the magnetic flux F2 is compared The magnetic field acting on the superconducting coil 2 becomes stronger and the characteristics of the superconducting coil 2 are reduced.
- Patent Document 1 Japanese Patent Laid-Open No. 6-6907
- the present invention has been made in view of the above problems, and by improving the structure for attaching the superconducting coil to the iron core, the magnetic field applied to the superconducting coil itself is weakened so that the superconducting characteristics are not reduced.
- the goal is to reduce the size of the superconducting coil by improving the current density of the superconducting coil.
- the present invention provides:
- a superconducting device characterized in that a gap is provided between the coil and the iron core, or a nonmagnetic material is interposed between Z and the coil and the iron core.
- the magnetic flux excited in the vicinity of the superconducting coil (the magnetic flux corresponding to the magnetic flux F2 in Fig. 10) is at least either of the air gap and the non-magnetic material. Pass through.
- the magnetic field acting on the superconducting coil is weakened with a gap between the superconducting coil and the iron core, the AC opening generated in the coil is reduced when an alternating current is applied to the superconducting coil. , Equipment loss can be reduced.
- FRP fluorescence spectroscopy
- stainless steel tin, aluminum, copper, etc.
- the relative permeability is preferably 100 or less.
- non-magnetic material When a non-magnetic material is interposed between the coil and the iron core, several non-magnetic materials may be combined and interposed!
- the distance between the coil and the iron core is preferably 0.1 mm or more, more preferably 0.5 mm or more.
- the magnetic flux excited in the vicinity of the superconducting coil can be reduced. Further, if the distance is 0.5 mm or more, the magnetic flux is further reduced, and in addition, there is an advantage that the superconducting coil can be easily attached to the iron core and the superconducting device can be easily manufactured.
- a total of the gap dimensions in the magnetic circuit interposing the magnetized magnetic material is a, a dimension of each interval between the coil and the iron core is b, and b> a. ,.
- the magnetic flux that magnetizes the magnetic material passes through a gap with a low magnetic permeability (for example, the gap in FIG. 10), this magnetic flux also decreases. Therefore, by setting b> a as the relationship between a and b, the magnetic flux excited in the vicinity of the superconducting coil is significantly smaller than the magnetic flux that magnetizes the magnetic material, and the current density of the superconducting coil is increased. The magnetic flux force that magnetizes the magnetic material can be prevented from becoming too small.
- the superconducting device having the above-described configuration according to the present invention includes, for example, a magnetic medium interposed in the magnetic circuit.
- the body is an inductor attached to the rotor, and the rotor can be applied to rotate when energized.
- An axial gap type superconducting motor provided with an inductor is provided as a second invention using the above configuration.
- an armature side stator having an armature coil attached to an iron core around a rotation axis, and a pair of rotors including inductors arranged on both sides of the armature side stator, A pair of field side stators having field coils arranged on both sides of these rotors, the rotor comprising an axial gap type inductor motor that is fitted and fixed to the rotating shaft.
- the armature coil and the field coil are coils formed of a superconducting material, and a gap is provided between the armature coil and an iron core to which the armature coil is attached, or Z and the armature coil A non-magnetic material is interposed between the iron core and a gap is provided between the field coil and the field-side stator serving as the iron core, or Z and the field A non-magnetic material is interposed between the coil and the field side stator,
- the field coil has N and S poles arranged concentrically,
- the rotor inductor which becomes a magnetic body when energizing the armature coil and the field coil, is
- N pole inductors arranged opposite to the N poles of the field coils and S pole inductors arranged opposite to the S poles of the field coils are alternately arranged in the circumferential direction.
- the superconducting device having a space between the superconducting coil and the iron core of the present invention is not limited to the axial cap type motor, but is also suitably used for a generator, a transformer, and a superconducting power storage device (SMES). be able to.
- SMES superconducting power storage device
- a gap or a nonmagnetic material is provided between a coil (superconducting coil) formed of a superconducting material and an iron core to which the superconducting coil is attached.
- the magnetic flux excited in the vicinity of the superconducting coil passes through a low magnetic permeability gap or nonmagnetic material. Therefore, most of the magnetic flux passes through air or a non-magnetic material with low permeability, so that the magnetic flux is reduced and the magnetic field applied to the superconducting coil can be weakened, and the superconducting characteristics of the superconducting coil can be reduced.
- a large current can be applied to the superconducting coil. Thereby, since the current density of the superconducting coil can be increased, the superconducting coil can be reduced in size, and the superconducting device provided with the superconducting coil can also be reduced in size.
- FIG. 1 is a cross-sectional view of an inductor type motor according to a first embodiment of the present invention
- FIG. 1B is a cross-sectional view at a position where a rotor is rotated 90 °.
- FIG. 2 (A) is a front view of the field side stator, (B) is a cross-sectional view taken along line II of (A), and (C) is an enlarged view of the main part of the field side stator.
- FIG. 3 (A) is a front view of the rotor, (B) is a cross-sectional view taken along line II of (A), (C) is a rear view, and (D) is a cross-sectional view taken along line II-II of (A). .
- FIG. 4 (A) is a front view of the rotor and field side stator penetrated by the rotating shaft, (B) is a cross-sectional view taken along the line I-I in (A), and (C) is in (A).
- FIG. 11 is a sectional view taken along line II.
- FIG. 5 is a front view of an armature side stator.
- FIG. 6 is a cross-sectional view taken along line I I of FIG.
- FIGS. 7A and 7B are cross-sectional views showing a state where magnetic flux is excited in the inductor type motor.
- FIG. 8 is a drawing showing the basic principle of the present invention.
- FIG. 9A is a cross-sectional view of an inductor type motor according to a second embodiment of the present invention
- FIG. 9B is a cross-sectional view at a position where the rotor is rotated 90 °.
- FIG. 10 is a drawing showing the principle of a conventional example.
- a superconducting coil 2 which is a superconducting material, is attached to the required location of the C-type iron core 1 with a gap 3 for the required magnetoresistance between the C-type iron core 1 and the C-type iron core.
- the magnetic body 5 is arranged in the gap la of 1.
- magnetic fluxes Fl and F2 indicated by broken lines, for example are excited.
- the magnetic flux F1 passes through the C-type iron core 1, generates a magnetic field in the gap la, and magnetizes the magnetic material arranged in the gap la.
- the magnetic flux F2 passes through the air around the superconducting coil 2 without passing through the C-type iron core 1.
- this magnetic flux F2 passes only in air with low magnetic permeability, air becomes a magnetic resistance, the magnetic flux F2 becomes a small magnetic flux, and the magnetic field applied to the superconducting coil 2 is reduced, greatly reducing the characteristics of the superconducting coil 2. I will not let you. As a result, the current density of the superconducting coil can be improved and the superconducting coil can be downsized.
- the magnetic flux F2 that passes only in the air increases and the magnetic field applied to the superconducting coil 2 can be reduced.
- FIG. 1 shows an inductor-type motor 10 according to a first embodiment of the present invention, and the inductor-type motor 10 is an application of the principle described for the c-type iron core.
- the inductor type motor 10 has an axial gap structure, and passes through the rotating shaft 34 in the order of the field side stator 11, the rotor 12, the armature side stator 13, the rotor 14, and the field side stator 15.
- the field-side stators 11 and 15 and the armature-side stator 13 are fixed to the installation surface G and have a gap with the rotating shaft 34, and the rotors 12 and 14 are fixedly fitted to the rotating shaft 34.
- FIGS. 2 (A), (B), and (C) are representative of one field-side stator 15. And describe it!
- the field side stators 11 and 15 (iron cores) made of a magnetic material are fixed to the installation surface G.
- the field side stators 11 and 15 are insulated from the heat insulating refrigerant containers 17 and 30 having a vacuum heat insulating structure, and the heat insulating refrigerant containers.
- Field coils 18 and 31 are attached, which are superconducting materials housed in 17 and 30, respectively.
- a non-magnetic material such as grease, aluminum, or brass is interposed between the field coils 18 and 31 and the field side stators 11 and 15, so that the field coils 18 and 31 and the field side stators are interposed.
- the field coils 18 and 31 are supported with the air gap 3 provided between 11 and 15.
- the field side stators 11 and 15 are recessed in an annular shape with the loose fitting holes l ib and 15b drilled in the center larger than the outer diameter of the rotary shaft 34, and the loose fitting holes l lb and 15b. And provided groove portions l la and 15a.
- the adiabatic refrigerant container 30 accommodates the field coils 18 and 31 in a state where liquid nitrogen is circulated, and the adiabatic refrigerant containers 17 and 30 are embedded in the grooves lla and 15a.
- the field side stators 11 and 15 are made of a magnetic material such as permender, silicon steel plate, iron or permalloy.
- the superconducting material for forming the field coils 18 and 31 is a superconducting material such as bismuth or yttrium.
- the rotors 12 and 14 are bilaterally symmetric, and FIGS. 3A to 3D show one rotor 14 as a representative.
- the rotors 12 and 14 are disk-shaped and have a non-magnetic material force, and a pair of support portions 19 and 26 having mounting holes 19a and 26a on the rotating shaft, and a pair of points embedded in point-symmetric positions around the mounting holes 19a and 26a.
- S pole inductors 21 and 27, and a pair of N pole inductors 20 and 28 embedded at positions rotated by 90 ° from the S pole inductors 21 and 27 are provided.
- S pole inductors 21 and 27 and N pole inductors 20 and 28 have fan-shaped one end faces 20a, 21a, 27a, and 28a facing the armature-side stator 13 and are arranged at equal intervals on concentric circles. They have the same area.
- the other end faces 21b, 27b of the S pole inductors 21, 27 are arranged to face the S pole generation position of the field coils 18, 31.
- the other end face 27b of the S pole inductor 27 is As shown in FIG. 2 (C) and FIG. 4 (B), it is in the shape of a circular arc disposed opposite to the outer peripheral side of the field coil 31.
- the other end faces 20b and 28b of the N pole inductors 20 and 28 are arranged to face the N pole generation position of the field coils 18 and 31, for example, the other end face 28b of the N pole inductor 28 is shown in FIG. As shown in FIG. 4 (B) and FIG. 4 (C), it is in the shape of a circular arc disposed opposite to the inner peripheral side of the field coil 31.
- the S-pole inductors 21 and 27 and the N-pole inductors 20 and 28 have one end face 20a by changing the cross-sectional shape from the arcuate other end faces 20b, 21b, 27b, and 28b in the axial direction.
- 21a, 27a, and 28a are three-dimensional shapes that are fan-shaped.
- the cross-sectional areas of the S pole inductors 21 and 27 and the N pole inductors 20 and 28 are constant and the other end surfaces 20b, 21b, 27b, and 28b force up to the one end surfaces 20a, 21a, 27a, and 28a!
- the other end surfaces 20b and 28b of the south pole inductors 20 and 28 have the same area as the other end faces 21b and 27b of the north pole inductors 21 and 27.
- the support portion 26 is made of a nonmagnetic material such as FRP or stainless steel.
- Each of the inductors 27 and 28 is made of a magnetic material such as permender, silicon steel plate, iron, and permalloy.
- the armature-side stator 13 that also has non-magnetic strength is fixed to the installation surface G, and the armature-side stator 13 has a heat insulating refrigerant having a vacuum heat insulating structure.
- the armature coil 13 that is a winding made of a superconducting material housed in a container 23 and a heat-insulating refrigerant container 23 is attached to the armature-side stator 13 from the outer diameter of the rotary shaft 34 in the center.
- V is provided with a loosely-fitting hole 13b that is largely drilled and four mounting holes 13a that are drilled at equal intervals in the circumferential direction around the loosely-fitting hole 13b.
- the adiabatic refrigerant container 23 accommodates the armature coil 24 in a state in which liquid nitrogen is circulated, and a flux collector 25 (iron core) having magnetic strength is disposed in the hollow portion of the armature coil 24.
- a flux collector 25 iron core
- Four heat insulating refrigerant containers 23 containing the armature coils 24 inside are embedded in each coil mounting hole 13a.
- the armature coil 24 is not directly wound around the outer peripheral surface of the flux collector 25. As shown in FIGS. 5 and 6, the armature coil 24 is not between the inner peripheral surface of the armature coil 24 and the outer peripheral surface of the flux collector 25. There is also an air gap 3 in them.
- the flux collector 25 is made of a magnetic material such as permender, silicon steel plate, iron or permalloy. Further, as a superconducting material for forming the armature coil 24, a superconducting material such as bismuth or yttrium is used.
- the armature side stator 13 is made of a non-magnetic material such as FRP stainless steel.
- a power feeding device 32 is connected to the field coils 18 and 31 and the armature coil 24 via wiring, and a direct current is supplied to the field coils 18 and 31, and a three-phase alternating current is supplied to the armature coil 24. Supply.
- a direct current is supplied to the field coils 18 and 31, and a three-phase alternating current is supplied to the armature coil 24.
- Supply When current is supplied to the field coils 18 and 31 and the armature coil 24, the S pole inductors 21 and 27 of the rotors 12 and 14 and the N pole inductors 20 and 28 are magnetized, The rotors 12 and 14 rotate according to the principle described later, and the magnetic flux F1 indicated by the solid and broken lines in FIG. 7 is excited.
- the required gap 4 is provided between the field side stator 11, the rotor 12, the armature side stator 13, the rotor 14, and the field side stator 15, respectively.
- the magnetic flux F1 passes through the air gap 4 at eight locations.
- a is set to be smaller than the dimension b of the gap 3 provided around the field coils 18, 31 and the armature coil 24. Then (a and b).
- a liquid nitrogen tank 33 is connected to the heat insulating refrigerant containers 17, 23, and 30 through a heat insulating pipe, and circulates liquid nitrogen as a refrigerant.
- the other end surfaces 27b and 28b are arranged on concentric circles along the inner and outer circumferences of the field coil 31, even if the rotor 14 rotates, the one end surface 27a of the S pole inductor 27 always has an S pole. And N-pole always appears on one end face 28a of N-pole inductor 28.
- the N pole always appears on one end face 20a of the N pole inductor 20, and the S pole always appears on one end face 21a of the S pole inductor 21.
- the field coils 18, 31 and the armature coil 24 are not brought into contact with the field side stators 11, 15 and the flux collector 25 serving as iron cores, and the field coils 18, 31 and the electric machine Since the gap 3 is provided around the child coil 24, the magnetic flux F2 excited around the field coils 18 and 31 and the armature coil 24 can be reduced. This weakens the magnetic field acting on the field coils 18 and 31 and the armature coil 24 made of superconducting material so that the superconducting characteristics are not reduced, and the current density of the field coils 18 and 31 and the armature coil 24 is reduced. Can be increased. Therefore, the coil can be reduced in size.
- the dimension b of the air gap 3 is set to be larger than the sum of the dimensions of the air gap 4 through which the magnetic flux F1 passes, and the air gap 3 is sufficiently provided, so the strength of the magnetic flux F2 is greatly increased. Can be reduced.
- liquid nitrogen serving as a refrigerant is introduced into the gap to cool the field coil and the armature coil.
- the refrigerant is not introduced into the gap, and the refrigerant around the coil is cooled by a refrigerant cooler.
- a refrigerant cooler As a configuration to cool the air and indirectly cool the coil.
- a force radial gear type motor which is an axial gap type motor may be used.
- FIG. 9 shows a second embodiment of the present invention.
- a non-magnetic material 40 is interposed between the field side stators 11 and 15 and the field coils 18 and 31, and a gap is provided between the flux collector 25 and the armature coil 24.
- a nonmagnetic material 41 is interposed and spaced apart.
- Non-magnetic material 40 is interposed between the field side stators 11 and 15 and the field coils 18 and 31, a space for introducing the refrigerant is provided in the heat insulating refrigerant containers 17 and 30, and the field is fixed.
- the magnetic coils 18, 31 can be cooled.
- Nonmagnetic materials include FRP, stainless steel, tin, aluminum, and copper.
- the magnetic flux F 2 excited around the field coils 18 and 31 and the armature coil 24 can be reduced.
- the density can be increased. Therefore, the coil can be miniaturized.
- the superconducting device of the present invention is used as a drive motor for traveling a ship or traveling an automobile, as well as a generator, a transformer, or a superconducting power storage device (SMES).
- SMES superconducting power storage device
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Superconductive Dynamoelectric Machines (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Windings For Motors And Generators (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/996,849 US7932659B2 (en) | 2005-07-28 | 2006-04-17 | Superconducting device and axial-type superconducting motor |
CN200680027761XA CN101233674B (zh) | 2005-07-28 | 2006-04-17 | 超导设备和轴向式超导马达 |
EP06745407A EP1909376A1 (en) | 2005-07-28 | 2006-04-17 | Superconducting device and axial gap type superconducting motor |
HK08108833.6A HK1117949A1 (en) | 2005-07-28 | 2008-08-11 | Superconducting device and axial-type superconducting motor |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005-219264 | 2005-07-28 | ||
JP2005219264A JP4758703B2 (ja) | 2005-07-28 | 2005-07-28 | 超電導装置およびアキシャルギャップ型の超電導モータ |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2007013207A1 true WO2007013207A1 (ja) | 2007-02-01 |
Family
ID=37683114
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2006/308016 WO2007013207A1 (ja) | 2005-07-28 | 2006-04-17 | 超電導装置およびアキシャルギャップ型の超電導モータ |
Country Status (8)
Country | Link |
---|---|
US (1) | US7932659B2 (ja) |
EP (1) | EP1909376A1 (ja) |
JP (1) | JP4758703B2 (ja) |
KR (1) | KR20080030627A (ja) |
CN (1) | CN101233674B (ja) |
HK (1) | HK1117949A1 (ja) |
TW (1) | TW200711192A (ja) |
WO (1) | WO2007013207A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7315103B2 (en) | 2004-03-03 | 2008-01-01 | General Electric Company | Superconducting rotating machines with stationary field coils |
GB2456179A (en) * | 2008-01-07 | 2009-07-08 | Converteam Ltd | Marine power distribution and propulsion systems |
US8049358B2 (en) | 2007-10-15 | 2011-11-01 | Converteam Technology Ltd | Marine power distribution and propulsion systems |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4923301B2 (ja) * | 2007-03-05 | 2012-04-25 | 国立大学法人福井大学 | 超電導コイル装置、誘導子型同期機、及び変圧装置 |
KR100901461B1 (ko) * | 2007-07-11 | 2009-06-08 | 한국전기연구원 | 초전도 동기 전동기 |
JP5732588B2 (ja) | 2012-03-06 | 2015-06-10 | 株式会社フジクラ | 超電導コイル及び超電導機器 |
KR101324234B1 (ko) | 2012-05-14 | 2013-11-01 | 연세대학교 산학협력단 | 초전도 동기 전동기 |
DE102018217983A1 (de) * | 2018-10-22 | 2020-04-23 | Rolls-Royce Deutschland Ltd & Co Kg | Rotor und Maschine mit supraleitendem Permanentmagneten in einem Rotorträger |
KR102233200B1 (ko) * | 2020-07-03 | 2021-03-29 | 한산전력 주식회사 | 구동모듈 내장형 회전자를 갖는 발전시스템 |
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-
2005
- 2005-07-28 JP JP2005219264A patent/JP4758703B2/ja not_active Expired - Fee Related
-
2006
- 2006-04-17 US US11/996,849 patent/US7932659B2/en not_active Expired - Fee Related
- 2006-04-17 WO PCT/JP2006/308016 patent/WO2007013207A1/ja active Application Filing
- 2006-04-17 CN CN200680027761XA patent/CN101233674B/zh not_active Expired - Fee Related
- 2006-04-17 KR KR1020087002065A patent/KR20080030627A/ko active IP Right Grant
- 2006-04-17 EP EP06745407A patent/EP1909376A1/en not_active Withdrawn
- 2006-07-18 TW TW095126207A patent/TW200711192A/zh unknown
-
2008
- 2008-08-11 HK HK08108833.6A patent/HK1117949A1/xx not_active IP Right Cessation
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JPH01318540A (ja) * | 1988-06-16 | 1989-12-25 | Mitsubishi Electric Corp | 車両用電動機 |
JPH066907A (ja) | 1992-06-18 | 1994-01-14 | Sumitomo Electric Ind Ltd | 電気自動車における超電導モータ装置 |
JPH0638418A (ja) * | 1992-07-10 | 1994-02-10 | Toshiba Corp | アキシャルギャップ回転電機 |
JPH09308222A (ja) * | 1996-05-10 | 1997-11-28 | General Electric Co <Ge> | 界磁巻線集成体 |
JP2000513197A (ja) * | 1996-08-05 | 2000-10-03 | ラドフスキー,アレクサンデル | ブラシレス同期型ロータリ電気的機械装置 |
JPH11318066A (ja) * | 1999-03-10 | 1999-11-16 | Denso Corp | 車両用交流発電機 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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US7315103B2 (en) | 2004-03-03 | 2008-01-01 | General Electric Company | Superconducting rotating machines with stationary field coils |
US8049358B2 (en) | 2007-10-15 | 2011-11-01 | Converteam Technology Ltd | Marine power distribution and propulsion systems |
GB2456179A (en) * | 2008-01-07 | 2009-07-08 | Converteam Ltd | Marine power distribution and propulsion systems |
GB2456179B (en) * | 2008-01-07 | 2012-02-15 | Converteam Technology Ltd | Marine power distribution and propulsion systems |
Also Published As
Publication number | Publication date |
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HK1117949A1 (en) | 2009-01-23 |
EP1909376A1 (en) | 2008-04-09 |
JP2007037343A (ja) | 2007-02-08 |
US20100148625A1 (en) | 2010-06-17 |
TW200711192A (en) | 2007-03-16 |
US7932659B2 (en) | 2011-04-26 |
JP4758703B2 (ja) | 2011-08-31 |
KR20080030627A (ko) | 2008-04-04 |
CN101233674A (zh) | 2008-07-30 |
CN101233674B (zh) | 2010-11-03 |
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