CN108657024B - Novel power supply system suitable for medium-low speed maglev train - Google Patents
Novel power supply system suitable for medium-low speed maglev train Download PDFInfo
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- CN108657024B CN108657024B CN201810761707.2A CN201810761707A CN108657024B CN 108657024 B CN108657024 B CN 108657024B CN 201810761707 A CN201810761707 A CN 201810761707A CN 108657024 B CN108657024 B CN 108657024B
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- power supply
- supply system
- control system
- electromagnet
- coil
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- 239000000725 suspension Substances 0.000 claims abstract description 69
- 238000005339 levitation Methods 0.000 claims abstract description 59
- 238000004146 energy storage Methods 0.000 claims description 10
- 239000003990 capacitor Substances 0.000 claims description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 3
- 239000000446 fuel Substances 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- 239000001257 hydrogen Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
- B60M3/00—Feeding power to supply lines in contact with collector on vehicles; Arrangements for consuming regenerative power
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
- B60M3/00—Feeding power to supply lines in contact with collector on vehicles; Arrangements for consuming regenerative power
- B60M3/02—Feeding power to supply lines in contact with collector on vehicles; Arrangements for consuming regenerative power with means for maintaining voltage within a predetermined range
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J1/00—Circuit arrangements for dc mains or dc distribution networks
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
Abstract
The invention discloses a novel power supply system suitable for a medium-low speed maglev train, which comprises a power supply system module, a traction inverter A, a traction inverter B, a traction motor A, a traction motor B and a levitation control system; the output positive end of the power supply system module is respectively connected with the input positive ends of the traction inverter A, the traction inverter B, the suspension control system A, the suspension control system B, the suspension control system C and the suspension control system D, the output negative end of the power supply system module is respectively connected with the input negative ends of the traction inverter A, the traction inverter B, the suspension control system A, the suspension control system B, the suspension control system C and the suspension control system D, and the input ends of the traction motor A and the traction motor B are respectively connected with the output ends of the traction inverter A and the traction inverter B. According to the invention, on one hand, the running and rescue of the vehicle can be realized, the vehicle is driven under the condition that a third rail power supply system is not arranged in the vehicle section warehouse, and on the other hand, the cost of the whole vehicle is reduced.
Description
Technical Field
The invention relates to the technical field of medium-low speed magnetic levitation, in particular to a novel power supply system of a medium-low speed magnetic levitation train.
Background
At present, with the increasing maturity of magnetic levitation technology, medium-low speed magnetic levitation trains are becoming popular with the advantages of high speed, low noise, high comfort, safety, reliability and the like. In the prior art, the medium-low speed magnetic levitation train is powered on the vehicle in a positive line and in-warehouse power supply mode mainly through a third rail power supply module (DC 1500V), and a third rail is required to be arranged on the whole magnetic levitation running line.
In practical application, when the power supply system of the middle-low speed maglev train fails in running positive line or the third rail is not arranged in the maglev train warehouse of the vehicle section, the maglev train cannot finish line rescue and in-warehouse motor train.
Therefore, how to provide a new power supply system scheme for a train in the case of power supply of a medium-low speed maglev train under the condition of non-power supply rail is a problem that needs to be solved at present by a person skilled in the art.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a novel power supply system suitable for a middle-low speed maglev train, which solves the power supply problem of the maglev train when a line power supply system of the maglev train fails or a third rail power supply system is not arranged in a warehouse.
The aim of the invention is realized by the following technical scheme: the novel power supply system suitable for the medium-low speed maglev train comprises a power supply system module, a traction inverter A, a traction inverter B, a traction motor A, a traction motor B and a levitation control system; the suspension control system comprises a suspension control system A, a suspension control system B, a suspension control system C and a suspension control system D which are identical in structure, wherein:
the output positive end of the power supply system module is respectively connected with the input positive ends of the traction inverter A, the traction inverter B, the suspension control system A, the suspension control system B, the suspension control system C and the suspension control system D, the output negative end of the power supply system module is respectively connected with the input negative ends of the traction inverter A, the traction inverter B, the suspension control system A, the suspension control system B, the suspension control system C and the suspension control system D, and the input ends of the traction motor A and the traction motor B are respectively connected with the output ends of the traction inverter A and the traction inverter B.
As a preferred mode, each suspension control system comprises a suspension controller A, a suspension controller B, an electromagnet A coil 1, an electromagnet A coil 2, an electromagnet A coil 3, an electromagnet B coil 1, an electromagnet B coil 2 and an electromagnet B coil 3;
the output end of the suspension controller A is connected with the input end of the electromagnet A coil 1, the output end of the electromagnet A coil 1 is connected with the input end of the electromagnet A coil 2, the output end of the electromagnet A coil 2 is connected with the input end of the electromagnet A coil 3, and the three coils are connected in series;
the output end of the suspension controller B is connected with the input end of the electromagnet B coil 1, the output end of the electromagnet B coil 1 is connected with the input end of the electromagnet B coil 2, the output end of the electromagnet B coil 2 is connected with the input end of the electromagnet B coil 3, and the three coils are connected in series.
Preferably, the power supply system module is an energy storage power supply of one of a storage battery, a super capacitor and a hydrogen fuel power battery or a combination of at least two energy storage power supplies.
Preferably, the voltage level of the power supply system module is DC600V-DC 700V.
As a preferable mode, the traction inverter a and the traction inverter B can detect the output voltage of the power supply system module and perform speed adjustment of the vehicle according to the detected output voltage of the power supply system module;
when the output voltage of the power supply system module is in a normal range (DC 600V-DC 700V), the traction inverter A and the traction inverter B control currents output to the traction motor A and the traction motor B so that the magnetic levitation vehicle can run at a normal speed;
when the output voltage of the power supply system module is detected to be lower than a normal value, the traction inverter A and the traction inverter B control currents output to the traction motor A and the traction motor B to be reduced, the magnetic levitation vehicle performs power limiting treatment, and the vehicle runs at a reduced speed;
when the output voltage of the power supply system module is lower than a certain preset value U0, the traction inverter A and the traction inverter B perform voltage undervoltage protection, the traction inverter A and the traction inverter B are blocked, and no current is output to the traction motor A and the traction motor B. As a preferred mode, the levitation controller a and the levitation controller B in the single levitation frame levitation control system can detect the output voltage of the power supply system module and adjust the levitation control of the vehicle according to the detected output voltage of the power supply system module;
when the output voltage of the power supply system module is in a normal range (DC 600V-DC 700V), the levitation controller A and the levitation controller B respectively control the currents output to the coils a, B and c;
when the output voltage of the power supply system module is detected to be lower than a normal value, the levitation controller A and the levitation controller B give an alarm to a driver through a network, and the driver can see that the vehicle returns to a warehouse to charge an energy storage system after the alarm;
when the output voltage of the power supply system module is lower than a certain preset value U1, the levitation controller A and the levitation controller B can perform voltage under-voltage protection, chopper blocks the output, and the vehicle is changed from a levitation state to a vehicle falling state and is supported by a wheel warehouse.
The beneficial effects of the invention are as follows: the novel power supply system suitable for the medium-low speed maglev train provided by the invention can realize the operation and rescue of the maglev train under the condition that the positive third rail power supply system fails, and the vehicle motor train is operated under the condition that the third rail power supply system is not arranged in a vehicle section warehouse.
Drawings
FIG. 1 is a schematic diagram of a novel power supply system of a medium-low speed maglev train provided by the invention;
fig. 2 is a schematic structural diagram of a levitation control system of a single levitation frame of a vehicle in a novel power supply system of a medium-low speed maglev train provided by the invention;
FIG. 3 is a traction inverter A and traction inverter B control flow diagram;
fig. 4 is a control flow chart of the levitation controller a and the levitation controller B in the levitation control system of the levitation frame.
Detailed Description
The technical solution of the present invention will be described in further detail with reference to the accompanying drawings, but the scope of the present invention is not limited to the following description.
As shown in fig. 1 and 2, a novel power supply system suitable for a medium-low speed maglev train comprises a power supply system module, a traction inverter A, a traction inverter B, a traction motor A, a traction motor B and a levitation control system; the suspension control system comprises a suspension control system A, a suspension control system B, a suspension control system C and a suspension control system D which are identical in structure, wherein:
the output positive end of the power supply system module is respectively connected with the input positive ends of the traction inverter A, the traction inverter B, the suspension control system A, the suspension control system B, the suspension control system C and the suspension control system D, the output negative end of the power supply system module is respectively connected with the input negative ends of the traction inverter A, the traction inverter B, the suspension control system A, the suspension control system B, the suspension control system C and the suspension control system D, and the input ends of the traction motor A and the traction motor B are respectively connected with the output ends of the traction inverter A and the traction inverter B.
In a preferred embodiment, each levitation control system comprises levitation controller a, levitation controller B, electromagnet a coil 1, electromagnet a coil 2, electromagnet a coil 3, electromagnet B coil 1, electromagnet B coil 2, electromagnet B coil 3;
the output end of the suspension controller A is connected with the input end of the electromagnet A coil 1, the output end of the electromagnet A coil 1 is connected with the input end of the electromagnet A coil 2, the output end of the electromagnet A coil 2 is connected with the input end of the electromagnet A coil 3, and the three coils are connected in series;
the output end of the suspension controller B is connected with the input end of the electromagnet B coil 1, the output end of the electromagnet B coil 1 is connected with the input end of the electromagnet B coil 2, the output end of the electromagnet B coil 2 is connected with the input end of the electromagnet B coil 3, and the three coils are connected in series.
In a preferred embodiment, the power supply system module is an energy storage power source of one of a battery, a super capacitor and a hydrogen fuel power cell or a combination of at least two energy storage power sources.
In a preferred embodiment, the voltage level of the power supply system module is DC600V to DC700V.
In a preferred embodiment, as shown in fig. 3, traction inverter a and traction inverter B are capable of detecting an output voltage of the power supply system module and performing speed adjustment of the vehicle based on the detected output voltage of the power supply system module;
when the output voltage of the power supply system module is in a normal range (DC 600V-DC 700V), the traction inverter A and the traction inverter B control currents output to the traction motor A and the traction motor B so that the magnetic levitation vehicle can run at a normal speed;
when the output voltage of the power supply system module is detected to be lower than a normal value, the traction inverter A and the traction inverter B control currents output to the traction motor A and the traction motor B to be reduced, the magnetic levitation vehicle performs power limiting treatment, and the vehicle runs at a reduced speed;
when the output voltage of the power supply system module is lower than a certain preset value U0, the traction inverter A and the traction inverter B perform voltage undervoltage protection, the traction inverter A and the traction inverter B are blocked, and no current is output to the traction motor A and the traction motor B.
In a preferred embodiment, as shown in fig. 4, the levitation controller a and the levitation controller B in the single levitation frame levitation control system are capable of detecting the output voltage of the power supply system module and performing adjustment of levitation control of the vehicle according to the detected output voltage of the power supply system module;
when the output voltage of the power supply system module is in a normal range (DC 600V-DC 700V), the levitation controller A and the levitation controller B respectively control the currents output to the coils a, B and c;
when the output voltage of the power supply system module is detected to be lower than a normal value, the levitation controller A and the levitation controller B give an alarm to a driver through a network, and the driver can see that the vehicle returns to a warehouse to charge an energy storage system after the alarm;
when the output voltage of the power supply system module is lower than a certain preset value U1, the levitation controller A and the levitation controller B can perform voltage under-voltage protection, chopper blocks the output, and the vehicle is changed from a levitation state to a vehicle falling state and is supported by a wheel warehouse.
The key points of the invention are as follows:
1. the magnetic levitation train power supply system module is changed into a novel power supply system by a third rail power supply scheme to supply power, the normal output voltage level of the novel power supply system is DC500V-DC600V, and the novel power supply system is an energy storage system, can be a storage battery and can also be a super capacitor.
2. The single suspension frame suspension control system adopts two sets of suspension controllers, and each set of suspension controller supplies power to three electromagnet coils.
3. With the change of the output voltage level of the power supply module, the traction inverter can control the running speed of the magnetic levitation vehicle according to the change of the voltage and perform under-voltage protection when the voltage is lower than a certain value.
4. When the novel power supply system is adopted, compared with the prior art, a levitation control power supply for supplying power to the levitation controller and a reactor with the input front end of the traction inverter for filtering and current limiting can be omitted, and the light weight of the vehicle is realized while the cost of the vehicle is solved.
The foregoing description of the preferred embodiment of the invention is not intended to be limiting, but rather to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (3)
1. Novel power supply system suitable for medium-low speed maglev train, its characterized in that: the traction motor comprises a power supply system module, a traction inverter A, a traction inverter B, a traction motor A, a traction motor B and a suspension control system; the suspension control system comprises a suspension control system A, a suspension control system B, a suspension control system C and a suspension control system D which are identical in structure, wherein:
the output positive end of the power supply system module is respectively connected with the input positive ends of the traction inverter A, the traction inverter B, the suspension control system A, the suspension control system B, the suspension control system C and the suspension control system D, the output negative end of the power supply system module is respectively connected with the input negative ends of the traction inverter A, the traction inverter B, the suspension control system A, the suspension control system B, the suspension control system C and the suspension control system D, and the input ends of the traction motor A and the traction motor B are respectively connected with the output ends of the traction inverter A and the traction inverter B;
the traction inverter A and the traction inverter B can detect the output voltage of the power supply system module and regulate the speed of the vehicle according to the detected output voltage of the power supply system module;
when the output voltage of the power supply system module is in a normal range, the traction inverter A and the traction inverter B control currents output to the traction motor A and the traction motor B so that the magnetic levitation vehicle can run at a normal speed;
when the output voltage of the power supply system module is detected to be lower than a normal value, the traction inverter A and the traction inverter B control currents output to the traction motor A and the traction motor B to be reduced, the magnetic levitation vehicle performs power limiting treatment, and the vehicle runs at a reduced speed;
when the output voltage of the power supply system module is lower than a certain preset value U0, the traction inverter A and the traction inverter B perform voltage undervoltage protection, the traction inverter A and the traction inverter B are blocked, and no current is output to the traction motor A and the traction motor B;
the suspension controller A and the suspension controller B in the single suspension frame suspension control system can detect the output voltage of the power supply system module and adjust the suspension control of the vehicle according to the detected output voltage of the power supply system module;
when the output voltage of the power supply system module is in a normal range, the levitation controller A and the levitation controller B respectively control currents output to the coils a, B and c;
when the output voltage of the power supply system module is detected to be lower than a normal value, the levitation controller A and the levitation controller B give an alarm to a driver through a network, and the driver can see that the vehicle returns to a warehouse to charge an energy storage system after the alarm;
when the output voltage of the power supply system module is lower than a certain preset value U1, the levitation controller A and the levitation controller B can perform voltage undervoltage protection, chopper blocks the output, and the vehicle is changed from a levitation state to a vehicle falling state and is supported by a wheel warehouse;
each suspension control system comprises a suspension controller A, a suspension controller B, an electromagnet A coil 1, an electromagnet A coil 2, an electromagnet A coil 3, an electromagnet B coil 1, an electromagnet B coil 2 and an electromagnet B coil 3;
the output end of the suspension controller A is connected with the input end of the electromagnet A coil 1, the output end of the electromagnet A coil 1 is connected with the input end of the electromagnet A coil 2, the output end of the electromagnet A coil 2 is connected with the input end of the electromagnet A coil 3, and the three coils are connected in series;
the output end of the suspension controller B is connected with the input end of the electromagnet B coil 1, the output end of the electromagnet B coil 1 is connected with the input end of the electromagnet B coil 2, the output end of the electromagnet B coil 2 is connected with the input end of the electromagnet B coil 3, and the three coils are connected in series.
2. The novel power supply system suitable for the medium-low speed maglev train according to claim 1, wherein the novel power supply system is characterized in that: the power supply system module is an energy storage power supply of one of a storage battery, a super capacitor and a hydrogen fuel power battery or a combination of at least two energy storage power supplies.
3. The novel power supply system suitable for the medium-low speed maglev train according to claim 1, wherein the novel power supply system is characterized in that: the voltage level of the power supply system module is DC600V-DC 700V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810761707.2A CN108657024B (en) | 2018-07-12 | 2018-07-12 | Novel power supply system suitable for medium-low speed maglev train |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810761707.2A CN108657024B (en) | 2018-07-12 | 2018-07-12 | Novel power supply system suitable for medium-low speed maglev train |
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| CN108657024A CN108657024A (en) | 2018-10-16 |
| CN108657024B true CN108657024B (en) | 2023-10-27 |
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|---|---|---|---|---|
| CN111071056B (en) * | 2018-10-19 | 2021-04-09 | 中车唐山机车车辆有限公司 | Magnetic suspension train and traction control method thereof |
| CN110435707A (en) * | 2019-07-24 | 2019-11-12 | 同济大学 | A kind of cloth load structure of medium-and low-speed maglev train levitation traction system |
| CN113492815B (en) * | 2020-03-19 | 2022-07-26 | 中车唐山机车车辆有限公司 | Falling brake control device and magnetic suspension train |
| CN114074558B (en) * | 2020-07-30 | 2024-03-01 | 株洲中车时代电气股份有限公司 | Distributed magnetic levitation traction control system |
| CN112606698A (en) * | 2020-12-28 | 2021-04-06 | 川铁轨道交通装备(重庆)有限公司 | Small magnetic suspension micro-rail electric car suitable for super capacitor power supply |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63217901A (en) * | 1987-03-05 | 1988-09-12 | Sumitomo Electric Ind Ltd | Magnet suspending structure for magnetic levitation vehicle |
| US5467718A (en) * | 1992-07-20 | 1995-11-21 | Daifuku Co., Ltd. | Magnetic levitation transport system with non-contact inductive power supply and battery charging |
| JPH08289416A (en) * | 1995-04-12 | 1996-11-01 | Sumitomo Electric Ind Ltd | Charging control device for magnetic levitation conveyance system |
| CN101549653A (en) * | 2009-05-26 | 2009-10-07 | 中国人民解放军国防科学技术大学 | Levitation traction integrated system for high-efficiency magnetic-levitation train |
| CN202389369U (en) * | 2012-01-13 | 2012-08-22 | 南车株洲电力机车有限公司 | Centralized power supply structure for traction system of middle-low-speed magnetically levitated train |
| CN103231664A (en) * | 2013-05-10 | 2013-08-07 | 株洲南车时代电气股份有限公司 | Medium-low speed maglev train control method and device |
| CN103522913A (en) * | 2013-10-17 | 2014-01-22 | 中国人民解放军国防科学技术大学 | Suspension control method and device used for EMS type low-speed suspension train |
| CN104670028A (en) * | 2013-11-28 | 2015-06-03 | 北车大连电力牵引研发中心有限公司 | Urban rail vehicle traction system |
| CN106740248A (en) * | 2017-01-24 | 2017-05-31 | 株洲中车时代电气股份有限公司 | A kind of tractive power supply system of high-speed magnetic levitation traffic system and its train |
| CN107539162A (en) * | 2017-09-13 | 2018-01-05 | 中车株洲电力机车有限公司 | A kind of medium-and low-speed maglev train traction system |
| CN107571769A (en) * | 2017-09-22 | 2018-01-12 | 湖南磁浮交通发展股份有限公司 | A kind of magnetic-levitation train tractive system and magnetic-levitation train |
| CN208411480U (en) * | 2018-07-12 | 2019-01-22 | 中铁磁浮科技（成都）有限公司 | A kind of novel power supply system suitable for medium-and low-speed maglev train |
-
2018
- 2018-07-12 CN CN201810761707.2A patent/CN108657024B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63217901A (en) * | 1987-03-05 | 1988-09-12 | Sumitomo Electric Ind Ltd | Magnet suspending structure for magnetic levitation vehicle |
| US5467718A (en) * | 1992-07-20 | 1995-11-21 | Daifuku Co., Ltd. | Magnetic levitation transport system with non-contact inductive power supply and battery charging |
| JPH08289416A (en) * | 1995-04-12 | 1996-11-01 | Sumitomo Electric Ind Ltd | Charging control device for magnetic levitation conveyance system |
| CN101549653A (en) * | 2009-05-26 | 2009-10-07 | 中国人民解放军国防科学技术大学 | Levitation traction integrated system for high-efficiency magnetic-levitation train |
| CN202389369U (en) * | 2012-01-13 | 2012-08-22 | 南车株洲电力机车有限公司 | Centralized power supply structure for traction system of middle-low-speed magnetically levitated train |
| CN103231664A (en) * | 2013-05-10 | 2013-08-07 | 株洲南车时代电气股份有限公司 | Medium-low speed maglev train control method and device |
| CN103522913A (en) * | 2013-10-17 | 2014-01-22 | 中国人民解放军国防科学技术大学 | Suspension control method and device used for EMS type low-speed suspension train |
| CN104670028A (en) * | 2013-11-28 | 2015-06-03 | 北车大连电力牵引研发中心有限公司 | Urban rail vehicle traction system |
| CN106740248A (en) * | 2017-01-24 | 2017-05-31 | 株洲中车时代电气股份有限公司 | A kind of tractive power supply system of high-speed magnetic levitation traffic system and its train |
| CN107539162A (en) * | 2017-09-13 | 2018-01-05 | 中车株洲电力机车有限公司 | A kind of medium-and low-speed maglev train traction system |
| CN107571769A (en) * | 2017-09-22 | 2018-01-12 | 湖南磁浮交通发展股份有限公司 | A kind of magnetic-levitation train tractive system and magnetic-levitation train |
| CN208411480U (en) * | 2018-07-12 | 2019-01-22 | 中铁磁浮科技（成都）有限公司 | A kind of novel power supply system suitable for medium-and low-speed maglev train |
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| CN108657024A (en) | 2018-10-16 |
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