CN207382174U - A kind of high-temperature superconductor synchronous capacitor - Google Patents
A kind of high-temperature superconductor synchronous capacitor Download PDFInfo
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- CN207382174U CN207382174U CN201721392717.0U CN201721392717U CN207382174U CN 207382174 U CN207382174 U CN 207382174U CN 201721392717 U CN201721392717 U CN 201721392717U CN 207382174 U CN207382174 U CN 207382174U
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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
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
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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
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/60—Superconducting electric elements or equipment; Power systems integrating superconducting elements or equipment
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Abstract
The utility model belongs to technical field of motors more particularly to a kind of high-temperature superconductor synchronous capacitor.In the utility model high-temperature superconductor synchronous capacitor, the double-layer inner cavity portion of second double-layer structure of sub-cooled structure can be passed through cold air, carry out contact refrigeration to the high-temperature superconducting magnet structure in the double-layer inner cavity portion of the second double-layer structure, the cold air after refrigeration flows into the double-layer inner cavity portion of the second double-layer structure by the opening of the first end face of the second double-layer structure again and flows out.In addition, high-temperature superconducting magnet structure is not directly fixed on rotor core, the contact area of high-temperature superconducting magnet structure and cold air is big, is conducive to maintain the low temperature environment of high temperature superconductor coil operation.
Description
Technical field
The utility model belongs to technical field of motors more particularly to a kind of high-temperature superconductor synchronous capacitor.
Background technology
If AC electric power systems lacks enough reactive power supports, easily trigger Voltage Instability or even extensive electricity
Pressure collapse, causes large area electric network from collapsing.In recent years, due to the development that the rapid growth and large-scale direct current of load are transmitted electricity, electricity
Force system is growing day by day to the demand of reactive power.
In electric system, synchronous generator is most common slewing, it may be used also while active power is sent
To send reactive power, and it is the reactive power source that best performance is got over.Phase modifier is the synchronous hair under a kind of special operating status
Motor, it remains the good reactive-load compensation performance of synchronous generator；It is active due to being not required to send, by specially designing, phase modulation
Machine also can be promoted further compared with the reactive-load compensation performance of common synchronization motor.
Exciting Windings for Transverse Differential Protection on conventional synchronous phase modulation machine rotor is formed using copper coil connection, and copper coil passes through in operational process
Substantial amounts of electric energy loss is generated during exciting current, electric efficiency is caused to reduce, and brings insulation ageing problem.High-temperature superconductor is synchronous
Phase modifier is fabricated to high temperature superconductor coil and instead of copper coil with high temperature superconducting materia, and high temperature superconductor coil can utilize its zero resistance
The loss that characteristic reduction generates due to resistance heating, so as to improve motor operation efficiency.In addition, the current-carrying energy that superconductor is outstanding
Power also can cause the volume and weight of superconducting motor significantly to reduce.But the high-temperature superconductor in high-temperature superconductor synchronous capacitor
Coil needs to run at low ambient temperatures.
Utility model content
In view of this, the utility model provides a kind of high-temperature superconductor synchronous capacitor, for solving high-temperature superconductor synchronization
The problem of high temperature superconductor coil in phase modifier needs to run at low ambient temperatures.
The specific technical solution of the utility model is as follows：
A kind of high-temperature superconductor synchronous capacitor, including：Rotor unit and refrigeration unit；
The rotor unit includes rotor core and Exciting Windings for Transverse Differential Protection；
The Exciting Windings for Transverse Differential Protection is high temperature superconductor coil, and the high temperature superconductor coil is wound on formation high-temperature superconductor magnetic on skeleton
Body structure；
The refrigeration unit includes sub-cooled structure；
The sub-cooled structure includes the first double-layer structure and the second double-layer structure；
Second double-layer structure is arranged at the double-layer inner cavity portion of first double-layer structure, first double-layer structure
First end face seals, and the first end face of second double-layer structure is equipped with opening, first double-layer structure with described second pair
Layer structure is fixedly connected；
The high-temperature superconducting magnet structure setting is in the double-layer inner cavity portion of second double-layer structure, the high-temperature superconductor magnetic
Body structure is fixedly connected with second double-layer structure；
The rotor core is fixedly connected with the first double layer hollow cylinder.
Preferably, the refrigeration unit further includes：Low-temperature rotary sealing structure；
The low-temperature rotary sealing structure includes：First sleeve, second sleeve, 3rd sleeve and 4th sleeve；
The first end of first sleeve is socketed on the first end of the second sleeve；
The first end outer wall of first sleeve is equipped with the first rotation screw thread；
First sleeve is arranged in the 3rd sleeve, and the second sleeve is arranged in the 4th sleeve；
The first end of the 3rd sleeve is socketed on the first end of the 4th sleeve；
The first end outer wall of the 3rd sleeve is equipped with the second rotation screw thread；
The second end of first sleeve is communicated with the second end face of second double-layer structure, first sleeve and institute
The second double-layer structure is stated to be fixedly connected；
The second end of the 3rd sleeve is communicated with the second end face of first double-layer structure, the 3rd sleeve and institute
The first double-layer structure is stated to be fixedly connected.
Preferably, the outside of the 3rd sleeve and the socket place of the 4th sleeve is magnet fluid sealing.
Preferably, the first rotation screw thread is right-handed thread；
The second rotation screw thread is left hand thread.
Preferably, the refrigeration unit further includes：Intake shaft and refrigeration machine；
The second end of the second sleeve is connected by Intake shaft with the refrigeration machine.
Preferably, the refrigeration unit further includes：Outlet axis and compressor；
The second end of the 4th sleeve is connected by the outlet axis with the compressor.
Preferably, the rotor unit further includes rotor shaft；
The rotor core is socketed on the rotor shaft；
The quantity of the high-temperature superconducting magnet structure is two or more；
The high-temperature superconducting magnet structure is uniformly arranged along the circumferential direction of the rotor core.
Preferably, further include：Stator unit；
The stator unit includes stator core and stator winding；
The inner wall of the stator core is provided with nonmagnetic tooth, and the nonmagnetic tooth is circularly and evenly distributed in the stator
The inner wall of iron core；
The stator winding is wound on the nonmagnetic tooth.
Preferably, further include：Start unit；
The start unit is driving motor or frequency converter.
Preferably, the output shaft of the driving motor is connected by shaft coupling with the rotor shaft.
In conclusion the utility model provides a kind of high-temperature superconductor synchronous capacitor, including：Rotor unit and refrigeration are single
Member；The rotor unit includes rotor core and Exciting Windings for Transverse Differential Protection；The Exciting Windings for Transverse Differential Protection be high temperature superconductor coil, the high-temperature superconductor
Coil winding forms high-temperature superconducting magnet structure on skeleton；The refrigeration unit includes sub-cooled structure；The low temperature cold
But structure includes the first double-layer structure and the second double-layer structure；Second double-layer structure is arranged at first double-layer structure
Double-layer inner cavity portion, the first end face sealing of first double-layer structure, the first end face of second double-layer structure are equipped with opening,
First double-layer structure is fixedly connected with second double-layer structure；The high-temperature superconducting magnet structure setting is in described second
The double-layer inner cavity portion of double-layer structure, the high-temperature superconducting magnet structure are fixedly connected with second double-layer structure；The rotor
Iron core is fixedly connected with the first double layer hollow cylinder.In the utility model, the second double-layer structure of sub-cooled structure
Double-layer inner cavity portion can be passed through cold air, and contact system is carried out to the high-temperature superconducting magnet structure in the double-layer inner cavity portion of the second double-layer structure
Cold, the cold air after refrigeration flows into the double-layer inner cavity of the first double-layer structure by the opening of the first end face of the second double-layer structure again
It simultaneously flows out in portion.In addition, high-temperature superconducting magnet structure is not directly fixed on rotor core, high-temperature superconducting magnet structure and cold air
Contact area is big, is conducive to maintain the low temperature environment of high temperature superconductor coil operation.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described.
Fig. 1 is the part of the refrigeration unit in a kind of high-temperature superconductor synchronous capacitor provided in the utility model embodiment
Structure diagram；
Fig. 2 is the low-temperature rotary sealing knot in a kind of high-temperature superconductor synchronous capacitor provided in the utility model embodiment
The structure diagram of structure；
Fig. 3 is the superconducting magnet structure in a kind of high-temperature superconductor synchronous capacitor provided in the utility model embodiment
Structure diagram；
Fig. 4 is the low-temperature rotary sealing knot in a kind of high-temperature superconductor synchronous capacitor provided in the utility model embodiment
A kind of sealing schematic diagram of structure；
Fig. 5 is the low-temperature rotary sealing knot in a kind of high-temperature superconductor synchronous capacitor provided in the utility model embodiment
Another sealing schematic diagram of structure；
Fig. 6 is a kind of structure diagram of the high-temperature superconductor synchronous capacitor provided in the utility model embodiment；
Fig. 7 is the structure diagram of another high-temperature superconductor synchronous capacitor provided in the utility model embodiment；
It illustrates：101. driving motor；102. shaft coupling；103. rotor unit；104. stator unit；105. low temperature
Rotary seal structure；106. compressor；107. refrigeration machine；108. supporting rack；109. high-temperature superconducting magnet upper cover plate；110. bone
Frame；111. high-temperature superconducting magnet end block；112. high-temperature superconducting magnet lower cover；113. voltage sensor；114. high temperature superconductive wire
Circle；115. magnetic field sensor；116. high-temperature superconducting magnet copper braid over braid current feed；117. copper tip；118. temperature sensor；
119. frequency converter；120. second sleeve；121. the first sleeve；122. 3rd sleeve；123. 4th sleeve；124. magnetic fluid is close
Sealing；201. rotor shaft；202. high-temperature superconducting magnet structures；203. second double-layer structures；204. first double-layer structures；
205. rotor core；206. rotor bearing.
Specific embodiment
The utility model embodiment provides a kind of high-temperature superconductor synchronous capacitor, for solving high-temperature superconductor synchronization phase modulation
The problem of high temperature superconductor coil in machine needs to run at low ambient temperatures.
Below by the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described
Embodiment is only the utility model part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, those of ordinary skill in the art's all other embodiments obtained without making creative work, belongs to
The scope of the utility model protection.
It please refers to Fig.1 to Fig.3, is respectively in a kind of high-temperature superconductor synchronous capacitor provided in the utility model embodiment
The part-structure schematic diagram of refrigeration unit, in a kind of high-temperature superconductor synchronous capacitor for providing in the utility model embodiment
A kind of high-temperature superconductor synchronous capacitor provided in the structure diagram and the utility model embodiment of low-temperature rotary sealing structure
In superconducting magnet structure structure diagram.
The utility model embodiment provides a kind of high-temperature superconductor synchronous capacitor, including：Rotor unit 103 and refrigeration are single
Member；
Rotor unit 103 includes rotor core 205 and Exciting Windings for Transverse Differential Protection；
Exciting Windings for Transverse Differential Protection is high temperature superconductor coil 114, and high temperature superconductor coil 114 is wound on skeleton 110 and forms high-temperature superconductor
Magnet structure 202；
Refrigeration unit includes sub-cooled structure；
Sub-cooled structure includes the first double-layer structure 204 and the second double-layer structure 203；
Second double-layer structure 203 is arranged at the double-layer inner cavity portion of the first double-layer structure 204, and the of the first double-layer structure 204
Face seal, the first end face of the second double-layer structure 203 are equipped with opening, the first double-layer structure 204 and the second double-layer structure 203
It is fixedly connected；
High-temperature superconducting magnet structure 202 is arranged at the double-layer inner cavity portion of the second double-layer structure 203, high-temperature superconducting magnet structure
202 are fixedly connected with the second double-layer structure 203；
Rotor core 205 is fixedly connected with the first double layer hollow cylinder 204.
In the utility model embodiment, the double-layer inner cavity portion of the second double-layer structure 203 of sub-cooled structure can be passed through cold
Gas, carries out the high-temperature superconducting magnet structure 202 in the double-layer inner cavity portion of the second double-layer structure 203 contact refrigeration, after refrigeration
Cold air flows into the double-layer inner cavity portion of the first double-layer structure 204 simultaneously by the opening of the first end face of the second double-layer structure 203 again
Outflow.In addition, high-temperature superconducting magnet structure 202 is not directly fixed on rotor core 205, high-temperature superconducting magnet structure 202 with it is cold
The contact area of gas is big, is conducive to maintain the low temperature environment of high temperature superconductor coil operation.
In the utility model embodiment, the vacuum ranges of sub-cooled structure are 10-7Pa~0.1MPa, the first double-deck knot
204 or second double-layer structure 203 of structure is double-layered cylinder or double-deck cuboid.
Further, refrigeration unit further includes：Low-temperature rotary sealing structure 105；
Low-temperature rotary sealing structure 105 includes：First sleeve 121, second sleeve 120,3rd sleeve 122 and the 4th set
Cylinder 123；
The first end of first sleeve 121 is socketed on the first end of second sleeve 120；
The first end outer wall of first sleeve 121 is equipped with the first rotation screw thread；
First sleeve 121 is arranged in 3rd sleeve 122, and second sleeve 120 is arranged in 4th sleeve 123；
The first end of 3rd sleeve 122 is socketed on the first end of 4th sleeve 123；
The first end outer wall of 3rd sleeve 122 is equipped with the second rotation screw thread；
The second end of first sleeve 121 is communicated with the second end face of the second double-layer structure 203, the first sleeve 121 and second
Double-layer structure 203 is fixedly connected；
The second end of 3rd sleeve 122 is communicated with the second end face of the first double-layer structure 204,3rd sleeve 122 and first
Double-layer structure 204 is fixedly connected.
In the utility model embodiment, 3rd sleeve 122 and the outside of the socket place of 4th sleeve 123 are close for magnetic fluid
Envelope, 3rd sleeve 122 and the outside of the socket place of 4th sleeve 123 are equipped with magnetic fluid seal 124.
In the utility model embodiment, low-temperature rotary sealing structure 105 considers the high speed rotary motion of rotor unit,
When high-temperature superconductor synchronous capacitor works, the first sleeve 121 and 3rd sleeve 122 do high speed rotary motion with rotor unit, and
123 remains stationary of second sleeve 120 and 4th sleeve.When high-temperature superconductor synchronous capacitor works, the first sleeve 121 and second
Sleeve 120 forms the intake channel of low-temperature rotary sealing structure 105, and 3rd sleeve 122 and 4th sleeve 123 form low-temperature rotary
The air outlet passage of sealing structure 105, cold air are flowed into from the inside of static second sleeve 120, then pass through the first of rotation
Sleeve 121 flows to sub-cooled structure, and after cold air carries out contact cooling to high-temperature superconducting magnet structure 202, temperature is higher
Fluid is flowed out from the 3rd sleeve 122 and static 4th sleeve 123 of rotation.The first end outer wall of first sleeve 121 is equipped with
First rotation screw thread, 3rd sleeve 122 first end outer wall be equipped with second rotation screw thread and magnetic fluid seal 124 make low temperature
Rotary seal structure 105 forms labyrinth seal structure, and then low-temperature rotary sealing structure 105 is made to have completely cut off gas leakage and heat exchange,
Ensure thermal insulation and the seal of sub-cooled structure, to ensureing the vacuum degree of sub-cooled structure and maintaining sub-cooled structure
Cold service is great.
In the utility model embodiment, the leak rate of low-temperature rotary density structure 105 is less than 1Pa/h.Sub-cooled structure
Heat-insulating material with low-temperature rotary sealing structure 105 is glass fiber reinforced epoxy resin, and the thermal conductivity of the material is low and has
Certain intensity.
Fig. 4 and Fig. 5 are referred to, is respectively in a kind of high-temperature superconductor synchronous capacitor provided in the utility model embodiment
Low-temperature rotary sealing structure a kind of sealing schematic diagram it is synchronous with a kind of high-temperature superconductor provided in the utility model embodiment
A kind of sealing schematic diagram of low-temperature rotary sealing structure in phase modifier.
First rotation screw thread is right-handed thread；
Second rotation screw thread is left hand thread.
In the utility model embodiment, when refrigeration unit works, the first sleeve 121 and 3rd sleeve 122 are revolved clockwise
Turn, the first sleeve 121 and 120 socket place of second sleeve are right-handed thread sealing structure, the gas path temperature low pressure that cold air enters
Qiang Gao, right-handed thread move right, and can prevent the intake channel of cold air from low-temperature rotary sealing structure 105 from being let out to air outlet passage
Dew；3rd sleeve 122 and 123 socket place of 4th sleeve are left hand thread sealing structure, and left hand thread can be prevented to left movement
Ambient atmos impurity enters the air outlet passage pollution refrigerant of low-temperature rotary sealing structure 105；3rd sleeve 122 and 4th sleeve
The outside of 123 socket places is equipped with magnetic fluid seal 124, further improves the leakproofness of low-temperature rotary sealing structure 105
Energy.
Further, refrigeration unit further includes：Intake shaft and refrigeration machine 107；
The second end of second sleeve 120 is connected by Intake shaft with refrigeration machine 107.
Further, refrigeration unit further includes：Outlet axis and compressor 106；
The second end of 4th sleeve 123 is connected by outlet axis with compressor 106, the work of superconductive high temperature synchronous capacitor
When, the gas that 4th sleeve 123 flows out returns to compressor 106.
Further, rotor unit 103 further includes rotor shaft 201；
Rotor core 205 is socketed on rotor shaft 201；
The quantity of high-temperature superconducting magnet structure 202 is two or more；
High-temperature superconducting magnet structure 202 is uniformly arranged along the circumferential direction of rotor core 205.
It should be noted that the magnet pattern and magnet material of high-temperature superconducting magnet structure 202 can according to practical application into
Row selection.Conductor of high-temperature superconductor coat, such as ReBCO, YBCO, high-temperature superconducting coating can be selected in high-temperature superconducting magnet structure 202
Conductor possesses stronger mechanical performance.For the high-temperature superconducting magnet structure 202 of middle warm area operation, iron, copper or conjunction may be employed
The MgB of the high tensile metals jacket such as gold2Conductor, the conductor price is relatively low, and when large-scale use is with the obvious advantage.High-temperature superconducting magnet knot
ReBCO coating conductors, BSCCO multi-core conductors or iron-based superconductor, high temperature can be selected in 10-30K in the operating temperature of structure 202
The operating temperature of superconducting magnet structure 202 is in more than 60K, optional ReBCO coating conductors or BSCCO multi-core conductors.High temperature surpasses
The magnet pattern of magnetizer structure 202 includes racetrack structure, circular configuration, oval structure etc..High temperature superconductor coil around
Form processed can also select double cake types of solenoid type, single line list cake type and single line etc..
In the utility model embodiment, the quantity of high-temperature superconducting magnet structure 202 is 4, high-temperature superconducting magnet structure 202
For racetrack structure.
In the utility model embodiment high-temperature superconducting magnet structure 202, high temperature superconductor coil 114 is wound on skeleton 110,
High temperature superconductor coil is equipped with high-temperature superconducting magnet upper cover plate 109 and high-temperature superconducting magnet lower cover 112, high-temperature superconductor magnetic up and down
Body structure 202 is also equipped with high-temperature superconducting magnet end block 111 and copper tip 117 in the both sides of high temperature superconductor coil 114, and high temperature surpasses
Loop 114 is also welded with high-temperature superconducting magnet copper braid over braid current feed 116.High-temperature superconducting magnet upper cover plate 109, high temperature surpass
Magnetizer lower cover 112 and high-temperature superconducting magnet end block 111 and side flanging design by high temperature superconductor coil be encapsulated in frock it
In, so as to effectively completely cut off influence of the external environment to high temperature superconductor coil magnet performance.Also, high-temperature superconducting magnet structure 202
In there also is provided voltage sensor 113, magnetic field sensor 115 and temperature sensor 118, can be in real time to high-temperature superconducting magnet structure
202 voltage, magnetic field and temperature is detected, to monitoring the operating status of high-temperature superconducting magnet structure 202 and quenching protection etc.
Aspect plays an important roll, and voltage sensor 113, magnetic field sensor 115 and temperature sensor 118 are used as high-temperature superconducting magnet
The support of 202 independent operating of structure so that high-temperature superconducting magnet structure 202 is run as an intellectualized module.
The high temperature superconductor coil arrangement of high-temperature superconducting magnet structure is using concentratred winding formula structure, to prevent high temperature superconductive wire
Circle end interferes with each other.
Fig. 6 and Fig. 7 are referred to, is respectively a kind of high-temperature superconductor synchronous capacitor provided in the utility model embodiment
The structure diagram of another high-temperature superconductor synchronous capacitor provided in structure diagram and the utility model embodiment.
Further, further include：Stator unit 104；
Stator unit 104 includes stator core and stator winding；
The inner wall of stator core is provided with nonmagnetic tooth, and nonmagnetic tooth is circularly and evenly distributed in the inner wall of stator core；
Stator winding is wound on nonmagnetic tooth.
In the present embodiment, the nonmagnetic toothing of the inner wall of stator core can reduce armature reactance and eliminate slot ripples pair
The influence of rotor unit, stator winding use copper coil, and the material of stator core is silicon steel sheet or amorphous permeability magnetic material.
Further, further include：Start unit；
Start unit be driving motor 101 or frequency converter 119, connection of the supporting rack 108 to rotor unit and driving unit
Place provides effectively support.
The output shaft of driving motor 101 is connected by shaft coupling with rotor shaft 201.
When start unit is driving motor 101, in high-temperature superconductor synchronous capacitor start-up course, driving motor 101 and connection
Axis device 102 drives the rotation of rotor unit 103.
When startup motor is frequency converter 119, frequency converter 119 carries out variable frequency excitation startup.
The above are a kind of one embodiment progress of the high-temperature superconductor synchronous capacitor provided the utility model embodiment
Detailed description, below by a kind of another embodiment of the high-temperature superconductor synchronous capacitor provided the utility model embodiment
It is described in detail.
Referring to Fig. 6, it is a kind of structural representation of the high-temperature superconductor synchronous capacitor provided in the utility model embodiment
Figure.The rated capacity of high-temperature superconductor synchronous capacitor is 10MVA, and rated line voltage 11kV, open-circuit excitation electric current is 255A.It opens
Dynamic motor is driving motor 101, and the magnet pattern of high-temperature superconducting magnet structure 202 is racetrack structure, high temperature superconductor coil
Material width is the YBCO coating conductors of 10mm.The quantity of high-temperature superconducting magnet structure 202 is 4, i.e., rotor number of poles is 4 poles,
Operating temperature is room temperature.The inner wall of stator core is provided with nonmagnetic tooth, and the slot number of stator is 36 slots, the circle of each stator winding
Number is 6.The rotating speed of high-temperature superconductor synchronous capacitor is 1500rpm, and the lower air gap flux density of zero load is 1.3T, high-temperature superconducting magnet
The operating temperature of structure 202 is 25~35K.The internal diameter of stator core is 700 mm, and the outer diameter of stator core is 1040mm, stator
The effective length of iron core is 1000mm.
The above are a kind of one embodiment progress of the high-temperature superconductor synchronous capacitor provided the utility model embodiment
Detailed description, below by a kind of another embodiment of the high-temperature superconductor synchronous capacitor provided the utility model embodiment
It is described in detail.
Referring to Fig. 6, the structure of another high-temperature superconductor synchronous capacitor to be provided in the utility model embodiment is shown
It is intended to.The rated capacity of high-temperature superconductor synchronous capacitor is 10MVA, and rated line voltage is 11 kV, and open-circuit excitation electric current is
255A.Startup motor is frequency converter 119, and the magnet pattern of high-temperature superconducting magnet structure 202 is racetrack structure, high-temperature superconductor
The material width of coil is the YBCO coating conductors of 10mm.The quantity of high-temperature superconducting magnet structure 202 is 4, i.e. rotor number of poles
For 4 poles, operating temperature is room temperature.The inner wall of stator core is provided with nonmagnetic tooth, and the slot number of stator is 36 slots, each stator around
The number of turn of group is 6.The rotating speed of high-temperature superconductor synchronous capacitor is 1500rpm, and the air gap flux density under zero load is 1.3T, and high temperature surpasses
The operating temperature of magnetizer structure 202 is 25~35K.The internal diameter of stator core is 700 mm, and the outer diameter of stator core is
1040mm, the effective length of stator core is 1000mm.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model principle is not departed from, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the scope of protection of the utility model.
Claims (10)
1. a kind of high-temperature superconductor synchronous capacitor, which is characterized in that including：Rotor unit and refrigeration unit；
The rotor unit includes rotor core and Exciting Windings for Transverse Differential Protection；
The Exciting Windings for Transverse Differential Protection is high temperature superconductor coil, and the high temperature superconductor coil is wound on formation high-temperature superconducting magnet knot on skeleton
Structure；
The refrigeration unit includes sub-cooled structure；
The sub-cooled structure includes the first double-layer structure and the second double-layer structure；
Second double-layer structure is arranged at the double-layer inner cavity portion of first double-layer structure, and the first of first double-layer structure
End face seal, the first end face of second double-layer structure are equipped with opening, first double-layer structure and the described second double-deck knot
Structure is fixedly connected；
The high-temperature superconducting magnet structure setting is in the double-layer inner cavity portion of second double-layer structure, the high-temperature superconducting magnet knot
Structure is fixedly connected with second double-layer structure；
The rotor core is fixedly connected with the first double layer hollow cylinder.
2. high-temperature superconductor synchronous capacitor according to claim 1, which is characterized in that the refrigeration unit further includes：It is low
Warm rotary seal structure；
The low-temperature rotary sealing structure includes：First sleeve, second sleeve, 3rd sleeve and 4th sleeve；
The first end of first sleeve is socketed on the first end of the second sleeve；
The first end outer wall of first sleeve is equipped with the first rotation screw thread；
First sleeve is arranged in the 3rd sleeve, and the second sleeve is arranged in the 4th sleeve；
The first end of the 3rd sleeve is socketed on the first end of the 4th sleeve；
The first end outer wall of the 3rd sleeve is equipped with the second rotation screw thread；
The second end of first sleeve is communicated with the second end face of second double-layer structure, first sleeve and described the
Two double-layer structures are fixedly connected；
The second end of the 3rd sleeve is communicated with the second end face of first double-layer structure, the 3rd sleeve and described the
A pair of layer structure is fixedly connected.
3. high-temperature superconductor synchronous capacitor according to claim 2, which is characterized in that the 3rd sleeve and the described 4th
The outside of the socket place of sleeve is magnet fluid sealing.
4. high-temperature superconductor synchronous capacitor according to claim 3, which is characterized in that the first rotation screw thread is dextrorotation
Screw thread；
The second rotation screw thread is left hand thread.
5. high-temperature superconductor synchronous capacitor according to claim 4, which is characterized in that the refrigeration unit further includes：Into
Gas axis and refrigeration machine；
The second end of the second sleeve is connected by Intake shaft with the refrigeration machine.
6. high-temperature superconductor synchronous capacitor according to claim 5, which is characterized in that the refrigeration unit further includes：Go out
Gas axis and compressor；
The second end of the 4th sleeve is connected by the outlet axis with the compressor.
7. high-temperature superconductor synchronous capacitor according to claim 6, which is characterized in that the rotor unit further includes rotor
Shaft；
The rotor core is socketed on the rotor shaft；
The quantity of the high-temperature superconducting magnet structure is two or more；
The high-temperature superconducting magnet structure is uniformly arranged along the circumferential direction of the rotor core.
8. high-temperature superconductor synchronous capacitor according to claim 7, which is characterized in that further include：Stator unit；
The stator unit includes stator core and stator winding；
The inner wall of the stator core is provided with nonmagnetic tooth, and the nonmagnetic tooth is circularly and evenly distributed in the stator core
Inner wall；
The stator winding is wound on the nonmagnetic tooth.
9. high-temperature superconductor synchronous capacitor according to claim 8, which is characterized in that further include：
Start unit；
The start unit is driving motor or frequency converter.
10. high-temperature superconductor synchronous capacitor according to claim 9, which is characterized in that the output shaft of the driving motor
It is connected by shaft coupling with the rotor shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721392717.0U CN207382174U (en) | 2017-10-25 | 2017-10-25 | A kind of high-temperature superconductor synchronous capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721392717.0U CN207382174U (en) | 2017-10-25 | 2017-10-25 | A kind of high-temperature superconductor synchronous capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207382174U true CN207382174U (en) | 2018-05-18 |
Family
ID=62336272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721392717.0U Withdrawn - After Issue CN207382174U (en) | 2017-10-25 | 2017-10-25 | A kind of high-temperature superconductor synchronous capacitor |
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| Country | Link |
|---|---|
| CN (1) | CN207382174U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107612287A (en) * | 2017-10-25 | 2018-01-19 | 广东电网有限责任公司电力科学研究院 | A kind of high-temperature superconductor synchronous capacitor |
| CN110649788A (en) * | 2019-10-22 | 2020-01-03 | 中国船舶重工集团公司第七0四研究所 | Fractional-slot high-temperature superconducting generator stator |
-
2017
- 2017-10-25 CN CN201721392717.0U patent/CN207382174U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107612287A (en) * | 2017-10-25 | 2018-01-19 | 广东电网有限责任公司电力科学研究院 | A kind of high-temperature superconductor synchronous capacitor |
| CN110649788A (en) * | 2019-10-22 | 2020-01-03 | 中国船舶重工集团公司第七0四研究所 | Fractional-slot high-temperature superconducting generator stator |
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