CN103730985A - Megawatt high temperature superconductor fan system - Google Patents
Megawatt high temperature superconductor fan system Download PDFInfo
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- CN103730985A CN103730985A CN201410026438.7A CN201410026438A CN103730985A CN 103730985 A CN103730985 A CN 103730985A CN 201410026438 A CN201410026438 A CN 201410026438A CN 103730985 A CN103730985 A CN 103730985A
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Abstract
The invention discloses a megawatt high temperature superconductor fan system. The megawatt high temperature superconductor fan system comprises a stator of an armature winding, a rotor with a superconducting magnet exciting coil and a low temperature refrigeration device; the low temperature refrigeration device is fixed on a rotor hub and rotates with the rotor synchronously; the low temperature refrigeration device comprises a cold head, a buffer tank, an after cooler, a compressor and a cooling water pipe; the cold head, the buffer tank, the after cooler and the compressor are connected in turn; the compressor supplies power for the cold head and provides a refrigeration working medium for the cold head; the cooling water pipe winds around the after cooler; a rotating joint which is used for leading in and leading out the circulating cooling water for the cooling water pipe is connected with a rotating shaft of the rotor; a slip ring which supplies power for the compressor is compounded on the rotating joint; the superconducting magnet exciting coil is placed in a lower temperature dewar; the cold head penetrates the lower temperature to perform conduction cooling on the superconducting magnet exciting coil. Compared with the prior art, the negative effect on a refrigeration system of air seal performance, thermal radiation and convective heat transfer of the existing lower temperature rotating joint is avoided and accordingly the stability, the reliability and the effectiveness of the refrigeration system are greatly improved.
Description
Technical field
The present invention relates to the complete built-in MW class high-temperature superconductor blower fan system of a kind of cryogenic refrigerating unit.
Background technology
The cooling scheme of MW class high-temperature superconductor blower fan is generally based on thermosiphon principle and gas forced convection principle, refrigerating system is independently arranged on outside motor, therefore needs a low-temperature rotary joint to realize the transition problem of the superconduction magnet exciting coil of refrigeration working medium from static refrigerating system to rotation.But at present, still there is following problem in the use of low-temperature rotary joint: the first, and sealing gland.Although the sealing technology of low-temperature rotary joint constantly improves, the heat causing due to sealing gland performance reveals and the leakage of refrigeration working medium (cause low-temperature rotary joint is freezing cannot be rotated), is the bottleneck that low-temperature rotary joint cannot overcome always.The second, thermal radiation.Thermal radiation mainly comprises two aspects: a. refrigeration working medium is introduced in cryogenic vacuum Dewar by outside motor, and because transmission path is long, and swivel joint and part transmission pipeline are in normal temperature environment, occur unavoidably thermal radiation; B. low-temperature rotary joint rotates for a long time, and rotation position frictional heat, produces thermal radiation.The 3rd, convective heat exchange.In refrigeration working medium inflow and reflux course, all will pass through low-temperature rotary joint, owing to there is the temperature difference between the refrigeration working medium after refluxing and the refrigeration working medium of inflow, can there is convective heat exchange in both, increase heat load.Above-mentioned low-temperature rotary joint uses three problems that exist, and reliability, fail safe and the validity of refrigerating system work are reduced greatly.
Summary of the invention
Object of the present invention is exactly for the deficiencies in the prior art, the MW class high-temperature superconductor blower fan system that provides a kind of cryogenic refrigerating unit to be built in rotor hub, to rotate with rotor synchronous, avoid low-temperature rotary joint sealing gland performance, thermal radiation and the negative effect of convective heat exchange to refrigerating system, greatly improved stability, reliability and the validity of refrigerating system.
For achieving the above object, technical scheme of the present invention is as follows:
A kind of MW class high-temperature superconductor blower fan system that the present invention proposes, comprises the stator of armature winding, with rotor and the cryogenic refrigerating unit of superconduction magnet exciting coil; Described cryogenic refrigerating unit is fixed on rotor hub, with rotor synchronous, rotates; Described cryogenic refrigerating unit comprises connected successively cold head, surge tank, aftercooler and powers and the compressor (cold head of every compressor coupling) of refrigeration working medium is provided for cold head, and is wrapped in aftercooler cooling water pipe around; 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; Superconduction magnet exciting coil is placed in cooled cryostat, and cold head gos deep into cooled cryostat and conducts cooling to superconduction magnet exciting coil.
Built-in (be fixed on rotor hub, with rotor synchronous rotation) of above-mentioned cryogenic refrigerating unit solved the low-temperature rotary joint problem of conventional refrigerating system when external.Aftercooler adopts water cooling circulation cooling, at each aftercooler, is wound around cooling water pipe around, for inflow and the outflow problem of cooling water, adopts cooling water rotating joint to be solved.Described swivel joint comprises stationary parts and the rotating parts that is placed in stationary parts central authorities, and rotating parts is realized seal rotary by Magneticfluid Seal Technique and stationary parts; One end of rotating parts is connected with outer, stationary water pipe, recirculated cooling water is introduced to rotating parts inside by the cooling water flow entrance on stationary parts, and the other end of rotating parts is provided with cooling water flow outlet and joins with cooling water pipe; Rotating parts is double-decker, form between layers cooling water return flow line, one end, cooling water return flow line is provided with backflow cooling water inlet and joins with cooling water pipe, and the cooling water return flow line other end is provided with backflow coolant outlet, makes recirculated cooling water come back to cooling reservoir.For cooling water flow outlet, backflow cooling water inlet, need to design corresponding opening number according to the actual number of compressor, to guarantee the smooth circulation of cooling water.Evenly cooling in order to guarantee, on each roots rotor wheel hub, two compressors are installed, in the bilateral symmetry setting of rotor hub.
Described slip ring comprises slip ring stiff end, brush and slip ring sliding end; Slip ring stiff end is connected by conductor plate with brush and is fixed on described stationary parts, power supply lead wire is housed on slip ring stiff end, is connected with external power source; Slip ring sliding end is fixed on described rotating parts, by realizing compressor is powered with electrically contacting of brush.The fixed part of slip ring is fixed on the stationary parts of swivel joint, the sliding end of slip ring is fixed on the rotating parts of swivel joint simultaneously, adopt the compound structure of compressor confession electric slip ring and cooling water rotating joint, effectively solved the Rotation of rotation powerup issue and cooling water circulation cooling system simultaneously.
In existing superconducting motor conduction cooling scheme, the scheme that generally adopts cold head directly to contact with coil, but there is structure compactness, the problem such as heat conduction is inhomogeneous, the coefficient of overall heat transmission is on the low side, bad mechanical property, cooling time are grown partially not in this scheme.For the problems referred to above, design described cold head and to superconduction magnet exciting coil, conduct cooling by heat-transfer device; Described heat-transfer device comprises two radially stacked heat-conducting plates being located at superconduction magnet exciting coil upper surface and lower surface, be located at the axial stacking heat-conducting plate of superconduction magnet exciting coil sidewall, be located at the axial thermal conductivity sheet in axial stacking heat-conducting plate outside, superconduction magnet exciting coil arc section place, the radial guiding backing that conducting strip perpendicular to axial direction arranges, and be located on radial guiding backing, for wrapping up the cold head groove of cold head; Radially stacked heat-conducting plate, axial stacking heat-conducting plate and axial thermal conductivity sheet are fixedly connected as a single entity by fixed head and heat conduction nut (heat conduction nut adopts the good material of heat conductivility to make, as red copper etc.).Cold head groove, for to the abundant heat conduction of cold head and fixing, guarantees conduction and the mechanical stability of cold head heat; Radial guiding backing and axial thermal conductivity sheet guarantee to be evenly delivered to radially stacked heat-conducting plate and axial stacking heat-conducting plate from the heat of cold head; Radially stacked heat-conducting plate and axial stacking heat-conducting plate are respectively used to the radial and axial conduction of heat, and realization is full and uniform cooling to superconduction magnet exciting coil; The good nut of heat conductivility, except fixation, also has the effect of axial thermal conductivity, has effectively improved the conduction of heat.
Described radially stacked heat-conducting plate and axial stacking heat-conducting plate are copper sheet stacked structure, scribble insulation, high thermal conductivity powder between adjacent copper sheet; Described insulation, high thermal conductivity powder can be Al
2o
3, or AlN powder, or silicon powder, or MgO powder, etc.The edge of radially stacked heat-conducting plate and axial stacking heat-conducting plate is teeth groove shape, and groove depth is 2-3mm.The loss of the fine inhibition axial eddy of copper sheet stacked structure energy, the fine inhibition radial whirl loss of teeth groove shape marginal texture energy, to reduce the heat load of described cryogenic refrigerating unit.
Described compressor is preferably the oily screw compressor of having of motor power supply, can solve compressor heat radiation and lubrication problem; Between surge tank and aftercooler, be provided with multi-grade oil separator, be provided with separating oil reflux line between multi-grade oil separator and compressor, surge tank is the surge tank of compound oil absorption.Have the oil that has of oily screw compressor can greatly reduce the contact friction of two vortex faces of compressor, extend working life, can reduce the temperature that exhaust outlet goes out gas, in addition, compressor can also rely on oil cooling but simultaneously.Be placed in aftercooler after compressor and carry out precooling as the one-level of compressor is cooling, the gas after compression is lowered the temperature, to reduce the live load of cold head.Because compressor is for there being oily formula, the gas that exhaust outlet the is discharged oily matter (containing the helium of oil droplet and oil vapour) that will adulterate, needs to add gs-oil separator the oily matter in refrigerant gas is separated; Because the separation of cooled helium oil is much easier, therefore multi-grade oil separator is arranged on aftercooler after.Described separating oil reflux line is for returning to the oil after separation to compressor, to recycle.Because compressor is applicable to operation continuously, and the intake and exhaust of cold head are periodically variable, in addition the exhaust end pressure of compressor is excessive, if directly enter cold head, can cause certain impact to cold head, therefore, need before cold head, assemble surge tank, the Compressed Gas of continuity work is transformed into the gas of periodic duty, avoids the impact of Compressed Gas to cold head simultaneously.Low temperature helium after Oil-gas Separation still contains micro-oil gas, need to rely on active carbon adsorber absorption, therefore oily absorber is compounded on surge tank, and surge tank is the surge tank of compound oil absorption.
Described rotor axial length is less than 2m, and diameter is 4.5-5m, to guarantee that rotor hub has sufficient space that cryogenic refrigerating unit is installed; Described rotor speed is 10-12rpm, has reduced the impact of rotary course on cryogenic refrigerating unit mechanical performance and operating characteristic.
Compared with prior art, the invention has the beneficial effects as follows: cryogenic refrigerating unit rotates with rotor synchronous, can avoid the negative effect of low-temperature rotary joint sealing gland performance to refrigeration system reliability; Compressor and cold head are fixed on rotor hub nearby, have shortened the fed distance of cold-producing medium, have improved refrigerating efficiency; Compressor, for the composite construction of electric slip ring and water-cooling swivel joint, has solved the rotation of water cooling cooling system and the powerup issue of compressor simultaneously; Heat-conducting plate adopts copper sheet stacked structure and edge teeth groove shape, can fine inhibition axially and radial whirl loss.
Accompanying drawing explanation
Fig. 1 is the structural representation of MW class high-temperature superconductor blower fan system.
Fig. 2 is that water-cooling swivel joint and compressor supply the compound perspective view of electric slip ring.
Fig. 3 is the perspective view of the rotating parts of water-cooling swivel joint.
Fig. 4 is the perspective view of axial thermal conductivity sheet, radial guiding backing, cold head groove and the fixed head of heat-transfer device.
Fig. 5 is the radially stacked heat-conducting plate of heat-transfer device and the perspective view of axial stacking heat-conducting plate.
Fig. 6 is the teeth groove shape marginal texture schematic diagram of radially stacked heat-conducting plate.
Fig. 7 is the assembling perspective view of heat-transfer device.
Fig. 8 is the perspective view of MW class high-temperature superconductor blower fan system in embodiment 1.
Fig. 9 is the structural representation of cryogenic refrigerating unit in embodiment 1.
Number in the figure is as follows:
1 compressor 2 cold heads
3 heat-transfer device 4 cooled cryostats
5 superconduction magnet exciting coil 6 swivel joints
7 rotor shaft 8 rotor hubs
9 stator 10 cooling water pipes
11 armature winding 12 rotor supports
13 aftercooler 14 surge tanks
15 multi-grade oil separator 16 separating oil reflux lines
The axial stacking heat-conducting plate of 31 radially stacked heat-conducting plate 32
33 axial thermal conductivity sheet 34 radial guiding backings
35 cold head groove 36 fixed heads
37 heat conduction nut 61 rotating partss
62 stationary parts 63 cooling water flow entrances
64 cooling water flows export 65 cooling water return flow lines
66 backflow cooling water inlet 67 backflow coolant outlets
68 slip ring stiff end 69 brushes
60 slip ring sliding ends
Embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are further described.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9.Build a synchronizing direct-drive half superconduct Megawatt fan system, concrete structure: stator 9 is double-deck copper armature winding 11, is distributed in 144 grooves.Rotor portion is with 6 racetrack superconduction magnet exciting coils 5 of YBCO band coiling, and the positional alignment of respective rotor wheel hub 8, in rotor supports 12, and is placed in cooled cryostat 4; Rotor axial length is 1.5m, and diameter is 4.5m, and the rated speed while normally working is 10rpm.Rotor hub 8 numbers are 6, and two compressors 1 are installed on each roots rotor wheel hub 8, in the bilateral symmetry setting of rotor hub 8, jointly a superconduction magnet exciting coil 5 are freezed.Compressor 1 is motor power supply oily screw compressor, after compressor 1, be provided with successively surge tank 14 and the cold head 2 of aftercooler 13, multi-grade oil separator 15, compound oil absorption, between multi-grade oil separator 15 and compressor 1, be provided with separating oil reflux line 16, a cold head 2 of every compressor 1 coupling, cold head 2 is fixed on rotor hub 8 nearby, and assurance compressor 1 is closely powered and refrigeration working medium is provided it; Cold head 2 is deep into and by 3 pairs of superconduction magnet exciting coils 5 of heat-transfer device, conducts cooling in cooled cryostat 4.Aftercooler 13 after every compressor 1 is all wound around cooling water pipe 10 around, and for heat radiation, in cooling water pipe 10, leading in/out by being fixed on the swivel joint 6 of rotor shaft 7 ends of recirculated cooling water realized; During compressor 1 work, by the slip ring being compounded on swivel joint 6, powered.The common formation cryogenic refrigerating unit of the surge tank 14 of above-mentioned compressor 1, aftercooler 13, multi-grade oil separator 15, compound oil absorption, separating oil reflux line 16, cold head 2, heat-transfer device 3 and cooling water pipe 10, is fixed on rotor hub 8, with rotor synchronous, rotates.
Described slip ring comprises slip ring stiff end 68, brush 69 and slip ring sliding end 60.Slip ring stiff end 68 is connected by conductor plate with brush 69, and slip ring stiff end 68 and brush 69 are fixed on stationary parts 62; On slip ring stiff end 68, power supply lead wire is housed, is connected with external power source.Slip ring sliding end 60 is fixed on rotating parts 61, by the power supply realizing 12 compressors 1 that electrically contacts with brush 69.
Heat-transfer device 3 parcel superconduction magnet exciting coils 5, and be placed in cooled cryostat 4.Heat-transfer device 3 comprises two radially stacked heat-conducting plates 31 being located at superconduction magnet exciting coil 5 upper surfaces and lower surface, be located at the axial stacking heat-conducting plate 32 of superconduction magnet exciting coil 5 sidewalls, be located at the axial thermal conductivity sheet 33 in superconduction magnet exciting coil 5 axial stacking heat-conducting plate 32 outsides, arc section place, the radial guiding backing 34 that conducting strip 33 perpendicular to axial direction arranges, and be located on radial guiding backing 34, for wrapping up the cold head groove 35 of cold head 2; Radially stacked heat-conducting plate 31, axial stacking heat-conducting plate 32 and axial thermal conductivity sheet 33 are fixedly connected as a single entity by fixed head 36 and heat conduction nut 37.Radially stacked heat-conducting plate 31 and axial stacking heat-conducting plate 32, by stacking the forming of the good copper sheet of heat conductivility, scribble silicon powder between adjacent copper sheet.The edge of radially stacked heat-conducting plate 31 and axial stacking heat-conducting plate 32 is teeth groove shape, and groove depth is 2mm.
The place identical with embodiment 1 be repeated description no longer, and difference is: superconduction magnet exciting coil 5 is by MgB
2band coiling forms.Rotor axial length is 1.8m, and diameter is 5m, and the rated speed while normally working is 12rpm.Between adjacent copper sheet, scribble Al
2o
3.The edge of radially stacked heat-conducting plate 31 and axial stacking heat-conducting plate 32 is teeth groove shape, and groove depth is 3mm.
Embodiment 3
The place identical with embodiment 1 be repeated description no longer, and difference is: superconduction magnet exciting coil 5 is by YBCO band and MgB
2the common coiling of band forms; According to the difference of two kinds of superconducting tape High-Field current capacities, the internal layer of superconduction magnet exciting coil 5 (High-Field part) is by the coiling of YBCO band, and the skin of superconduction magnet exciting coil 5 (low part) is by MgB
2band coiling.Between adjacent copper sheet, scribble AlN powder.
The place identical with embodiment 1 be repeated description no longer, and difference is: superconduction magnet exciting coil 5 is formed by low temperature superconducting material NbTi coiling.Between adjacent copper sheet, scribble MgO powder.
Claims (9)
1. a MW class high-temperature superconductor blower fan system, comprise the stator (9) of armature winding (11), with rotor and the cryogenic refrigerating unit of superconduction magnet exciting coil (5), it is characterized in that: described cryogenic refrigerating unit be fixed on rotor hub (8) upper, with rotor synchronous, rotate; Described cryogenic refrigerating unit comprises connected successively cold head (2), surge tank (14), aftercooler (13) and is the compressor (1) that refrigeration working medium was powered and provided to cold head (2), and is wrapped in aftercooler (13) cooling water pipe (10) around; The swivel joint (6) that leads in/out recirculated cooling water for cooling water pipe (10) is connected with rotor shaft (7), and the slip ring of powering for compressor (1) is compounded on swivel joint (6); Superconduction magnet exciting coil (5) is placed in cooled cryostat (4), and cold head (2) gos deep into cooled cryostat (4) and conducts cooling to superconduction magnet exciting coil (5).
2. MW class high-temperature superconductor blower fan system according to claim 1, it is characterized in that: swivel joint (6) comprises stationary parts (62) and be placed in the rotating parts (61) of stationary parts (62) central authorities, rotating parts (61) is realized seal rotary by Magneticfluid Seal Technique and stationary parts (62); One end of rotating parts (61) is connected with outer, stationary water pipe, recirculated cooling water is introduced to rotating parts (61) inside by the cooling water flow entrance (63) on stationary parts (62), and the other end of rotating parts (61) is provided with cooling water flow outlet (64) and joins with cooling water pipe (10); Rotating parts (61) is double-decker, form between layers cooling water return flow line (65), one end, cooling water return flow line (65) is provided with backflow cooling water inlet (66) and joins with cooling water pipe (10), and cooling water return flow line (65) other end is provided with backflow coolant outlet (67), makes recirculated cooling water come back to cooling reservoir.
3. MW class high-temperature superconductor blower fan system according to claim 2, is characterized in that: described slip ring comprises slip ring stiff end (68), brush (69) and slip ring sliding end (60); Slip ring stiff end (68) is connected by conductor plate with brush (69) and is fixed on stationary parts (62) above, power supply lead wire is housed on slip ring stiff end (68), is connected with external power source; It is upper that slip ring sliding end (60) is fixed on rotating parts (61), by realizing compressor (1) is powered with electrically contacting of brush (69).
4. according to the arbitrary described MW class high-temperature superconductor blower fan system of claim 1-3, it is characterized in that: cold head (2) conducts cooling by heat-transfer device (3) to superconduction magnet exciting coil (5); Heat-transfer device (3) comprises two radially stacked heat-conducting plates (31) of being located at superconduction magnet exciting coil (5) upper surface and lower surface, be located at the axial stacking heat-conducting plate (32) of superconduction magnet exciting coil (5) sidewall, be located at the axial thermal conductivity sheet (33) in superconduction magnet exciting coil (5) the axial stacking heat-conducting plate in arc section place (32) outside, the radial guiding backing (34) that conducting strip perpendicular to axial direction (33) arranges, and be located on radial guiding backing (34), for wrapping up the cold head groove (35) of cold head (2); Radially stacked heat-conducting plate (31), axial stacking heat-conducting plate (32) and axial thermal conductivity sheet (33) are fixedly connected as a single entity by fixed head (36) and heat conduction nut (37).
5. MW class high-temperature superconductor blower fan system according to claim 4, is characterized in that: radially stacked heat-conducting plate (31) and axial stacking heat-conducting plate (32) are copper sheet stacked structure, scribble insulation, high thermal conductivity powder between adjacent copper sheet.
6. MW class high-temperature superconductor blower fan system according to claim 4, is characterized in that: the edge of radially stacked heat-conducting plate (31) and axial stacking heat-conducting plate (32) is teeth groove shape, and groove depth is 2-3mm.
7. MW class high-temperature superconductor blower fan system according to claim 5, is characterized in that: described insulation, high thermal conductivity powder are Al
2o
3, or AlN powder, or silicon powder, or MgO powder.
8. according to the arbitrary described MW class high-temperature superconductor blower fan system of claim 1-3, it is characterized in that: what compressor (1) was motor power supply has an oily screw compressor, between surge tank (14) and aftercooler (13), be provided with multi-grade oil separator (15), between multi-grade oil separator (15) and compressor (1), be provided with separating oil reflux line (16), surge tank (14) is the surge tank of compound oil absorption.
9. according to the arbitrary described MW class high-temperature superconductor blower fan system of claim 1-3, it is characterized in that: described rotor axial length is less than 2m, diameter is 4.5-5m, and rotating speed is 10-12rpm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410026438.7A CN103730985B (en) | 2014-01-21 | 2014-01-21 | A kind of megawatt high temperature superconductor fan system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410026438.7A CN103730985B (en) | 2014-01-21 | 2014-01-21 | A kind of megawatt high temperature superconductor fan system |
Publications (2)
| Publication Number | Publication Date |
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| CN103730985A true CN103730985A (en) | 2014-04-16 |
| CN103730985B CN103730985B (en) | 2015-12-09 |
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|---|---|---|---|
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106839214A (en) * | 2017-02-27 | 2017-06-13 | 深圳沃海森科技有限公司 | Wall-mounted superconduction indoor set |
| CN107062503A (en) * | 2017-02-28 | 2017-08-18 | 深圳沃海森科技有限公司 | The new blower fan of superconductive type elevator |
| CN114320755A (en) * | 2021-12-08 | 2022-04-12 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Direct-drive superconducting wind driven generator |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63249466A (en) * | 1987-04-03 | 1988-10-17 | Hitachi Ltd | Refrigerating machine |
| JPS6447266A (en) * | 1987-08-18 | 1989-02-21 | Seiko Epson Corp | Motor |
| CN1385948A (en) * | 2001-05-15 | 2002-12-18 | 通用电气公司 | Low temp. cooling system for rotor with high-temp. superconductive excitation winding |
| JP2010093886A (en) * | 2008-10-06 | 2010-04-22 | Niigata Univ | Superconducting rotating machine |
| US20100148601A1 (en) * | 2008-12-16 | 2010-06-17 | Doosan Heavy Industries & Construction Co., Ltd. | Superconducting rotating machine having cooler for rotator |
-
2014
- 2014-01-21 CN CN201410026438.7A patent/CN103730985B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63249466A (en) * | 1987-04-03 | 1988-10-17 | Hitachi Ltd | Refrigerating machine |
| JPS6447266A (en) * | 1987-08-18 | 1989-02-21 | Seiko Epson Corp | Motor |
| CN1385948A (en) * | 2001-05-15 | 2002-12-18 | 通用电气公司 | Low temp. cooling system for rotor with high-temp. superconductive excitation winding |
| JP2010093886A (en) * | 2008-10-06 | 2010-04-22 | Niigata Univ | Superconducting rotating machine |
| US20100148601A1 (en) * | 2008-12-16 | 2010-06-17 | Doosan Heavy Industries & Construction Co., Ltd. | Superconducting rotating machine having cooler for rotator |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106839214A (en) * | 2017-02-27 | 2017-06-13 | 深圳沃海森科技有限公司 | Wall-mounted superconduction indoor set |
| CN107062503A (en) * | 2017-02-28 | 2017-08-18 | 深圳沃海森科技有限公司 | The new blower fan of superconductive type elevator |
| CN114320755A (en) * | 2021-12-08 | 2022-04-12 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Direct-drive superconducting wind driven generator |
| CN114320755B (en) * | 2021-12-08 | 2024-05-24 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Direct-drive superconducting wind power generator |
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